Images are representations only.
Ultra-Mag Explosion-Proof Level Switch
Brand: Dwyer Instruments, LLC
The Series E, G, & P Ultra-Mag™ is an explosion-proof series of level switches for powder and bulk solids that utilize a unique magnetic linkage and diaphragm design to sense the presence of powder and bulk solids in a variety of bins, vessels, and hoppers.
Mounting Selection
A choice of either suspension or flange mounting is available to match your application. Flange mounting is the best choice for control of low or intermediate level in vessels containing granular product that does not "bridge", "rathole", or otherwise build up on vessel walls.
Choose suspension mounting for high level in vessels and for better operation with "bridging" product.
Note: The mounting configuration is represented by the letter "S" for suspension or "F" for flange which is the second digit in the part number
Features- Uses a unique magnetic linkage which isolates the electrical compartment from controlled product, reducing maintenance and improving sensitivity
- Sealed switch compartment and sealed leads yield the exceptionally reliable operation
- A wide selection of diaphragms and switches is available with choices of flange or suspension mounting to fit a specific application
- Extremely sensitive indication and very economical
- Magnetic linkage makes this simple explosion-proof diaphragm switch the most rugged and reliable level control for a variety of products
Displaying prices & availability for Ohio, United States in CAD. Change location.
Models matching criteria: 4,538
- Certificates - Explosion-Proof (UL & CSA) Class I, Div I & II, Groups C & D, Class II, Div I & II, Groups E, F, & G
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Suspended - Top Subtract 10 Lbs./cu. Ft- Greater Sensitivity
- Housing Material - Aluminum
- Diaphragm Material - Silicone Rubber on Glass, Red, 0.032" Thick
- Switch Type - SPDT, High Temp, 5 A, 125 Vac, 250 Vac, 24 Vdc
- Special Controls - Wood Chip Control
100+ In Stock
$74.00 CAD
$10.00 Shipping
- Certificates - Explosion-Proof (CSA) Class II, Div I & II, Groups F & G
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Suspended - Top Subtract 10 Lbs./cu. Ft- Greater Sensitivity
- Housing Material - Aluminum, Epoxy Coated
- Diaphragm Material - Urethane, 0.031" Thick
- Switch Type - SPDT, High Temp, 5 A, 125 Vac, 250 Vac, 24 Vdc
- Special Controls - High Sensitivity Actuator
100+ In Stock
$88.00 CAD
$10.00 Shipping
- Certificates - Explosion-Proof (UL & CSA) Class I, Div I & II, Groups C & D, Class II, Div I & II, Groups E, F, & G
- Sensing Mechanism - Breathable Fabric Diaphragm-no Venting Required
- Mounting - Flanged - Side, 304 Stainless Steel
- Housing Material - Aluminum
- Diaphragm Material - Polyester Nitex, White
- Switch Type - SPDT, High Vibration, 15 A, 125 Vac, 250 Vac
- Special Controls - Wood Chip Control
100+ In Stock
$102.00 CAD
$10.00 Shipping
- Certificates - Explosion-Proof (UL & CSA) Class I, Div I & II, Groups C & D, Class II, Div I & II, Groups E, F, & G
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Suspended - Top Subtract 10 Lbs./cu. Ft- Greater Sensitivity
- Housing Material - Aluminum, Anodized
- Diaphragm Material - Silicone Rubber, Gray, 0.062" Thick
- Switch Type - SPDT, High Vibration, 15 A, 125 Vac, 250 Vac
- Special Controls - No Special Controls
100+ In Stock
$109.00 CAD
$10.00 Shipping
- Certificates - Explosion-Proof (UL & CSA) Class I, Div I & II, Groups C & D, Class II, Div I & II, Groups E, F, & G
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Flanged - Side, 304 Stainless Steel
- Housing Material - Aluminum
- Diaphragm Material - Urethane, Orange, 0.062" Thick
- Switch Type - SPDT, Gold Contacts, 1 A, 125 Vac, 0.5 A, 24 Vdc
- Special Controls - No Special Controls
100+ In Stock
$210.00 CAD
$10.00 Shipping
- Certificates - Explosion-Proof (UL & CSA) Class I, Div I & II, Groups C & D, Class II, Div I & II, Groups E, F, & G
- Sensing Mechanism - Breathable Fabric Diaphragm-no Venting Required
- Mounting - Flanged - Side, Aluminum Standard
- Housing Material - Aluminum, Epoxy Coated
- Diaphragm Material - Polyester Filter Fabric, White
- Switch Type - SPDT, High Temp, 5 A, 125 Vac, 250 Vac, 24 Vdc
- Special Controls - High Sensitivity Actuator
100+ In Stock
$265.00 CAD
$10.00 Shipping
- Certificates - General-Purpose
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Flanged - Side, Aluminum Standard
- Housing Material - Aluminum, Anodized
- Diaphragm Material - Silicone Rubber on Glass, White, 0.015" Thick
- Switch Type - SPDT, High Vibration, 15 A, 125 Vac, 250 Vac
- Special Controls - High Sensitivity Actuator
100+ In Stock
$288.00 CAD
$10.00 Shipping
- Certificates - General-Purpose
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Suspended - Top Subtract 10 Lbs./cu. Ft- Greater Sensitivity
- Housing Material - Aluminum, Epoxy Coated
- Diaphragm Material - Silicone Rubber on Glass, White, 0.015" Thick
- Switch Type - SPDT, High Temp, 5 A, 125 Vac, 250 Vac, 24 Vdc
- Special Controls - High Sensitivity Actuator
100+ In Stock
$375.00 CAD
$10.00 Shipping
- Certificates - Explosion-Proof (UL & CSA) Class I, Div I & II, Groups C & D, Class II, Div I & II, Groups E, F, & G
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Flanged - Side, Aluminum Standard
- Housing Material - Aluminum
- Diaphragm Material - PTFE/Glass on Silicone Rubber, 0.024" Thick
- Switch Type - SPDT, Standard, 15 A, 125 Vac, 250 Vac
- Special Controls - No Special Controls
100+ In Stock
$478.00 CAD
$10.00 Shipping
- Certificates - General-Purpose
- Sensing Mechanism - Breathable Fabric Diaphragm-no Venting Required
- Mounting - Flanged - Side, 304 Stainless Steel
- Housing Material - Aluminum, Anodized
- Diaphragm Material - Polyester Nitex, White
- Switch Type - SPDT, Standard, 15 A, 125 Vac, 250 Vac
- Special Controls - No Special Controls
100+ In Stock
$500.00 CAD
$10.00 Shipping
- Certificates - General-Purpose
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Flanged - Side, 304 Stainless Steel
- Housing Material - Aluminum
- Diaphragm Material - PTFE/Glass on Silicone Rubber, 0.024" Thick
- Switch Type - SPDT, Gold Contacts, 1 A, 125 Vac, 0.5 A, 24 Vdc
- Special Controls - High Sensitivity Actuator
100+ In Stock
$632.00 CAD
$10.00 Shipping
- Certificates - Explosion-Proof (UL & CSA) Class I, Div I & II, Groups C & D, Class II, Div I & II, Groups E, F, & G
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Suspended - Top Subtract 10 Lbs./cu. Ft- Greater Sensitivity
- Housing Material - Aluminum, Epoxy Coated
- Diaphragm Material - Urethane, 0.031" Thick
- Switch Type - SPDT, High Vibration, 15 A, 125 Vac, 250 Vac
- Special Controls - High Sensitivity Actuator
100+ In Stock
$749.00 CAD
$10.00 Shipping
- Certificates - Explosion-Proof (UL & CSA) Class I, Div I & II, Groups C & D, Class II, Div I & II, Groups E, F, & G
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Suspended - Top Subtract 10 Lbs./cu. Ft- Greater Sensitivity
- Housing Material - Aluminum
- Diaphragm Material - Urethane, Orange, 0.062" Thick
- Switch Type - SPDT, Standard, 15 A, 125 Vac, 250 Vac
- Special Controls - No Special Controls
100+ In Stock
$755.00 CAD
$10.00 Shipping
- Certificates - Explosion-Proof (UL & CSA) Class I, Div I & II, Groups C & D, Class II, Div I & II, Groups E, F, & G
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Flanged - Side, 304 Stainless Steel
- Housing Material - Aluminum, Anodized
- Switch Type - SPDT, Gold Contacts, 1 A, 125 Vac, 0.5 A, 24 Vdc
- Special Controls - High Sensitivity Actuator
100+ In Stock
$775.00 CAD
$10.00 Shipping
- Certificates - Explosion-Proof (CSA) Class II, Div I & II, Groups F & G
- Sensing Mechanism - Breathable Fabric Diaphragm-no Venting Required
- Mounting - Suspended - Top Subtract 10 Lbs./cu. Ft- Greater Sensitivity
- Housing Material - Aluminum, Anodized
- Diaphragm Material - Polyester Nitex, White
- Switch Type - SPDT, High Vibration, 15 A, 125 Vac, 250 Vac
- Special Controls - No Special Controls
100+ In Stock
$923.00 CAD
$10.00 Shipping
- Certificates - Explosion-Proof (UL & CSA) Class I, Div I & II, Groups C & D, Class II, Div I & II, Groups E, F, & G
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Flanged - Side, 304 Stainless Steel
- Housing Material - Aluminum, Epoxy Coated
- Diaphragm Material - Silicone Rubber on Glass, White, 0.015" Thick
- Switch Type - SPDT, High Temp, 5 A, 125 Vac, 250 Vac, 24 Vdc
- Special Controls - No Special Controls
100+ In Stock
$937.00 CAD
$10.00 Shipping
- Certificates - Explosion-Proof (CSA) Class II, Div I & II, Groups F & G
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Flanged - Side, Aluminum Standard
- Housing Material - Aluminum
- Diaphragm Material - EPDM, Black, 0.036" Thick
- Switch Type - SPDT, High Vibration, 15 A, 125 Vac, 250 Vac
- Special Controls - No Special Controls
100+ In Stock
$990.00 CAD
$10.00 Shipping
- Certificates - General-Purpose
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Suspended - Top Subtract 10 Lbs./cu. Ft- Greater Sensitivity
- Housing Material - Aluminum, Epoxy Coated
- Diaphragm Material - Urethane, 0.031" Thick
- Switch Type - SPDT, Gold Contacts, 1 A, 125 Vac, 0.5 A, 24 Vdc
- Special Controls - No Special Controls
100+ In Stock
$1,024.00 CAD
$10.00 Shipping
- Certificates - Explosion-Proof (CSA) Class II, Div I & II, Groups F & G
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Suspended - Top Subtract 10 Lbs./cu. Ft- Greater Sensitivity
- Housing Material - Aluminum, Anodized
- Diaphragm Material - PTFE/Glass on Silicone Rubber, 0.024" Thick
- Switch Type - SPDT, Standard, 15 A, 125 Vac, 250 Vac
- Special Controls - No Special Controls
100+ In Stock
$1,053.00 CAD
$10.00 Shipping
- Certificates - General-Purpose
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Suspended - Top Subtract 10 Lbs./cu. Ft- Greater Sensitivity
- Housing Material - Aluminum, Epoxy Coated
- Diaphragm Material - Silicone Rubber, Gray, 0.062" Thick
- Switch Type - SPDT, Gold Contacts, 1 A, 125 Vac, 0.5 A, 24 Vdc
- Special Controls - High Sensitivity Actuator
100+ In Stock
$1,065.00 CAD
$10.00 Shipping
- Certificates - Explosion-Proof (UL & CSA) Class I, Div I & II, Groups C & D, Class II, Div I & II, Groups E, F, & G
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Flanged - Side, 304 Stainless Steel
- Housing Material - Aluminum, Epoxy Coated
- Diaphragm Material - Buna-N, White (Food Applications), 0.060" Thick
- Switch Type - SPDT, Gold Contacts, 1 A, 125 Vac, 0.5 A, 24 Vdc
- Special Controls - No Special Controls
100+ In Stock
$1,098.00 CAD
$10.00 Shipping
- Certificates - Explosion-Proof (UL & CSA) Class I, Div I & II, Groups C & D, Class II, Div I & II, Groups E, F, & G
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Flanged - Side, 304 Stainless Steel
- Housing Material - Aluminum, Anodized
- Diaphragm Material - Silicone Rubber on Glass, White, 0.015" Thick
- Switch Type - SPDT, High Temp, 5 A, 125 Vac, 250 Vac, 24 Vdc
- Special Controls - High Sensitivity Actuator
100+ In Stock
$1,117.00 CAD
$10.00 Shipping
- Certificates - General-Purpose
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Suspended - Top Subtract 10 Lbs./cu. Ft- Greater Sensitivity
- Housing Material - Aluminum
- Diaphragm Material - Silicone Rubber on Glass, White, 0.015" Thick
- Switch Type - SPDT, High Temp, 5 A, 125 Vac, 250 Vac, 24 Vdc
- Special Controls - High Sensitivity Actuator
100+ In Stock
$1,185.00 CAD
$10.00 Shipping
- Certificates - General-Purpose
- Sensing Mechanism - Breathable Fabric Diaphragm-no Venting Required
- Mounting - Flanged - Side, Aluminum Standard
- Housing Material - Aluminum
- Diaphragm Material - Polyester Filter Fabric, White
- Switch Type - SPDT, Standard, 15 A, 125 Vac, 250 Vac
- Special Controls - No Special Controls
100+ In Stock
$1,207.00 CAD
$10.00 Shipping
- Certificates - Explosion-Proof (CSA) Class II, Div I & II, Groups F & G
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Suspended - Top Subtract 10 Lbs./cu. Ft- Greater Sensitivity
- Housing Material - Aluminum, Epoxy Coated
- Switch Type - SPDT, High Temp, 5 A, 125 Vac, 250 Vac, 24 Vdc
- Special Controls - Wood Chip Control
100+ In Stock
$1,229.00 CAD
$10.00 Shipping
- Certificates - Explosion-Proof (UL & CSA) Class I, Div I & II, Groups C & D, Class II, Div I & II, Groups E, F, & G
- Sensing Mechanism - Breathable Fabric Diaphragm-no Venting Required
- Mounting - Flanged - Side, 304 Stainless Steel
- Housing Material - Aluminum, Epoxy Coated
- Switch Type - SPDT, Standard, 15 A, 125 Vac, 250 Vac
- Special Controls - Wood Chip Control
100+ In Stock
$1,277.00 CAD
$10.00 Shipping
- Certificates - Explosion-Proof (CSA) Class II, Div I & II, Groups F & G
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Flanged - Side, 304 Stainless Steel
- Housing Material - Aluminum, Anodized
- Diaphragm Material - EPDM, Black, 0.036" Thick
- Switch Type - SPDT, High Temp, 5 A, 125 Vac, 250 Vac, 24 Vdc
- Special Controls - Wood Chip Control
100+ In Stock
$1,290.00 CAD
$10.00 Shipping
- Certificates - General-Purpose
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Flanged - Side, Aluminum Standard
- Housing Material - Aluminum, Epoxy Coated
- Diaphragm Material - Buna-N, White (Food Applications), 0.060" Thick
- Switch Type - SPDT, Standard, 15 A, 125 Vac, 250 Vac
- Special Controls - High Sensitivity Actuator
100+ In Stock
$1,416.00 CAD
$10.00 Shipping
- Certificates - Explosion-Proof (UL & CSA) Class I, Div I & II, Groups C & D, Class II, Div I & II, Groups E, F, & G
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Flanged - Side, 304 Stainless Steel
- Housing Material - Aluminum
- Diaphragm Material - Silicone Rubber on Glass, Red, 0.032" Thick
- Switch Type - SPDT, Standard, 15 A, 125 Vac, 250 Vac
- Special Controls - No Special Controls
100+ In Stock
$1,609.00 CAD
$10.00 Shipping
- Certificates - Explosion-Proof (UL & CSA) Class I, Div I & II, Groups C & D, Class II, Div I & II, Groups E, F, & G
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Suspended - Top Subtract 10 Lbs./cu. Ft- Greater Sensitivity
- Housing Material - Aluminum
- Diaphragm Material - Buna-N, Black, 0.020" Thick
- Switch Type - SPDT, Gold Contacts, 1 A, 125 Vac, 0.5 A, 24 Vdc
- Special Controls - No Special Controls
100+ In Stock
$1,644.00 CAD
$10.00 Shipping
- Certificates - Explosion-Proof (UL & CSA) Class I, Div I & II, Groups C & D, Class II, Div I & II, Groups E, F, & G
- Sensing Mechanism - Breathable Fabric Diaphragm-no Venting Required
- Mounting - Flanged - Side, 304 Stainless Steel
- Housing Material - Aluminum, Epoxy Coated
- Diaphragm Material - Polyester Filter Fabric, White
- Switch Type - SPDT, High Temp, 5 A, 125 Vac, 250 Vac, 24 Vdc
- Special Controls - No Special Controls
100+ In Stock
$1,647.00 CAD
$10.00 Shipping
- Certificates - Explosion-Proof (CSA) Class II, Div I & II, Groups F & G
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Flanged - Side, 304 Stainless Steel
- Housing Material - Aluminum
- Diaphragm Material - Buna-N, Black, 0.020" Thick
- Switch Type - SPDT, High Temp, 5 A, 125 Vac, 250 Vac, 24 Vdc
- Special Controls - Wood Chip Control
100+ In Stock
$1,873.00 CAD
$10.00 Shipping
- Certificates - General-Purpose
- Sensing Mechanism - Breathable Fabric Diaphragm-no Venting Required
- Mounting - Flanged - Side, 304 Stainless Steel
- Housing Material - Aluminum
- Diaphragm Material - Polyester Nitex, White
- Switch Type - SPDT, Standard, 15 A, 125 Vac, 250 Vac
- Special Controls - High Sensitivity Actuator
100+ In Stock
$1,929.00 CAD
$10.00 Shipping
- Certificates - Explosion-Proof (UL & CSA) Class I, Div I & II, Groups C & D, Class II, Div I & II, Groups E, F, & G
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Flanged - Side, 304 Stainless Steel
- Housing Material - Aluminum, Anodized
- Diaphragm Material - 6C w/ Urethane Overlay
- Switch Type - SPDT, High Vibration, 15 A, 125 Vac, 250 Vac
- Special Controls - High Sensitivity Actuator
100+ In Stock
$1,932.00 CAD
$10.00 Shipping
- Certificates - General-Purpose
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Flanged - Side, 304 Stainless Steel
- Housing Material - Aluminum
- Diaphragm Material - PTFE/Glass on Silicone Rubber, 0.024" Thick
- Switch Type - SPDT, Gold Contacts, 1 A, 125 Vac, 0.5 A, 24 Vdc
- Special Controls - No Special Controls
100+ In Stock
$1,966.00 CAD
$10.00 Shipping
- Certificates - General-Purpose
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Flanged - Side, 304 Stainless Steel
- Housing Material - Aluminum, Anodized
- Diaphragm Material - PTFE/Glass on Silicone Rubber, 0.024" Thick
- Switch Type - SPDT, High Temp, 5 A, 125 Vac, 250 Vac, 24 Vdc
- Special Controls - Wood Chip Control
100+ In Stock
$2,009.00 CAD
$10.00 Shipping
- Certificates - General-Purpose
- Sensing Mechanism - Breathable Fabric Diaphragm-no Venting Required
- Mounting - Flanged - Side, 304 Stainless Steel
- Housing Material - Aluminum
- Diaphragm Material - Polyester Filter Fabric, White
- Switch Type - SPDT, Standard, 15 A, 125 Vac, 250 Vac
- Special Controls - Wood Chip Control
100+ In Stock
$2,036.00 CAD
$10.00 Shipping
- Certificates - Explosion-Proof (UL & CSA) Class I, Div I & II, Groups C & D, Class II, Div I & II, Groups E, F, & G
- Sensing Mechanism - Breathable Fabric Diaphragm-no Venting Required
- Mounting - Suspended - Top Subtract 10 Lbs./cu. Ft- Greater Sensitivity
- Housing Material - Aluminum, Anodized
- Switch Type - SPDT, Standard, 15 A, 125 Vac, 250 Vac
- Special Controls - High Sensitivity Actuator
100+ In Stock
$2,262.00 CAD
$10.00 Shipping
- Certificates - Explosion-Proof (CSA) Class II, Div I & II, Groups F & G
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Flanged - Side, 304 Stainless Steel
- Housing Material - Aluminum
- Diaphragm Material - Silicone Rubber on Glass, Red, 0.032" Thick
- Switch Type - SPDT, Gold Contacts, 1 A, 125 Vac, 0.5 A, 24 Vdc
- Special Controls - No Special Controls
100+ In Stock
$2,328.00 CAD
$10.00 Shipping
- Certificates - Explosion-Proof (UL & CSA) Class I, Div I & II, Groups C & D, Class II, Div I & II, Groups E, F, & G
- Sensing Mechanism - Elastomeric Diaphragm-Venting Required
- Mounting - Flanged - Side, Aluminum Standard
- Housing Material - Aluminum, Anodized
- Switch Type - SPDT, Standard, 15 A, 125 Vac, 250 Vac
- Special Controls - High Sensitivity Actuator
100+ In Stock
$2,354.00 CAD
$10.00 Shipping
Specifications
Approvals & Certifications
- CSA
- UL
Conduit Connection
- 1/2” NPT Female
Diaphragm Material
- Buna-N
- Buna-N White (Food Grade)
- EPDM
- Fluoroelastomer
- Polyester
- PTFE
- Silicone Rubber
- Urethane
Elastomers
- Fluoroelastomer
Electrical Rating
- 0.5 A at 24 Vdc
- 1 A at 125 Vac
- 15 A at 125 Vac
- 15 A at 250 Vac
- 24 Vdc
- 5 A at 125 Vac
- 5 A at 250 Vac
Enclosure, Body Material
- Aluminum
- Aluminum - Anodized
- Aluminum, Epoxy Coated
Environmental Protection
- Class 1, Div. 1, Groups B, C, D
- Class II, Div. 1, Groups E, F, G
- Explosion-proof
- Weatherproof
Flange Material
- 304 Stainless Steel
- Aluminum
Media
- Compatible Powder or Bulk Solids
Mounting
- Side Mounting
- Top Mounting
Supply Pressure
- psig: 60 (kPa: 414, bar: 4.14)
Switch Type
- SPDT
Temperature Range
- -40° to 177° C (-40° to 350° F)
- Mining
- Food and Beverage
- Silos
- Hoppers
