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EX Series Limit Switch
Brand: A-T Controls, Inc
The TRIAC® EX, EC/ES, EY, and EW Series hazardous location Limit Switches provide compact design and low cost for both visual and remote electrical indication of rotary valve/actuator position.
Their heavy duty design and wide variety of options make them ideal for multi-purpose limit switch applications.
Features- Twin Shaft Body Design
- "Easy-Set" Cams
- Multiple Switch Options
- Valve Position Indicator
- 1/2" or 3/4" NPT Conduit Entries
- Standard NAMUR Mounting Brackets
- Aluminum Housing
- NEMA 4, 4X, 7 and 9 Applications
- Up to Three Conduit Entries
1 - 12 of 1,130 Part Numbers
EX-1-0A-2-S-BK-N
EX10A2BKG-20
- Series - Aluminum Housing, UL Listed NEMA 4/4X, 7, 9
- Indication - Aluminum Cover with Standard Red/Green Indicator
- Switch Type - Mechanical SPDT Silver Plated
- Switch Quantity - 2-Switches
- Coating - Black Polyester Powder Coating
- Conduit - (2) 1/2” NPT, (1) 3/4” NPT Conduit Connection
- Mounting Bracket Kit - 2R20 Thru 2R300, 30-80 mm - 20 mm High-Pinion
EX10A2BKG-30
- Series - Aluminum Housing, UL Listed NEMA 4/4X, 7, 9
- Indication - Aluminum Cover with Standard Red/Green Indicator
- Switch Type - Mechanical SPDT Silver Plated
- Switch Quantity - 2-Switches
- Coating - Black Polyester Powder Coating
- Conduit - (2) 1/2” NPT, (1) 3/4” NPT Conduit Connection
- Mounting Bracket Kit - 2R500 Thru 2R3500, 30-130 mm - 30 mm High-Pinion
EX10A2BKG-HD
- Series - Aluminum Housing, UL Listed NEMA 4/4X, 7, 9
- Indication - Aluminum Cover with Standard Red/Green Indicator
- Switch Type - Mechanical SPDT Silver Plated
- Switch Quantity - 2-Switches
- Coating - Black Polyester Powder Coating
- Conduit - (2) 1/2” NPT, (1) 3/4” NPT Conduit Connection
- Mounting Bracket Kit - THD Series Heavy Duty Actuators
EX10A2BKN-20
- Series - Aluminum Housing, UL Listed NEMA 4/4X, 7, 9
- Indication - Aluminum Cover with Standard Red/Green Indicator
- Switch Type - Mechanical SPDT Silver Plated
- Switch Quantity - 2-Switches
- Coating - Black Polyester Powder Coating
- Conduit - 1/2” NPT
- Mounting Bracket Kit - 2R20 Thru 2R300, 30-80 mm - 20 mm High-Pinion
EX10A2BKN-30
- Series - Aluminum Housing, UL Listed NEMA 4/4X, 7, 9
- Indication - Aluminum Cover with Standard Red/Green Indicator
- Switch Type - Mechanical SPDT Silver Plated
- Switch Quantity - 2-Switches
- Coating - Black Polyester Powder Coating
- Conduit - 1/2” NPT
- Mounting Bracket Kit - 2R500 Thru 2R3500, 30-130 mm - 30 mm High-Pinion
EX10A2BKN-HD
- Series - Aluminum Housing, UL Listed NEMA 4/4X, 7, 9
- Indication - Aluminum Cover with Standard Red/Green Indicator
- Switch Type - Mechanical SPDT Silver Plated
- Switch Quantity - 2-Switches
- Coating - Black Polyester Powder Coating
- Conduit - 1/2” NPT
- Mounting Bracket Kit - THD Series Heavy Duty Actuators
EX10A3BKG-20
- Series - Aluminum Housing, UL Listed NEMA 4/4X, 7, 9
- Indication - Aluminum Cover with Standard Red/Green Indicator
- Switch Type - Mechanical SPDT Silver Plated
- Switch Quantity - 3 Switches
- Coating - Black Polyester Powder Coating
- Conduit - (2) 1/2” NPT, (1) 3/4” NPT Conduit Connection
- Mounting Bracket Kit - 2R20 Thru 2R300, 30-80 mm - 20 mm High-Pinion
EX10A3BKG-30
- Series - Aluminum Housing, UL Listed NEMA 4/4X, 7, 9
- Indication - Aluminum Cover with Standard Red/Green Indicator
- Switch Type - Mechanical SPDT Silver Plated
- Switch Quantity - 3 Switches
- Coating - Black Polyester Powder Coating
- Conduit - (2) 1/2” NPT, (1) 3/4” NPT Conduit Connection
- Mounting Bracket Kit - 2R500 Thru 2R3500, 30-130 mm - 30 mm High-Pinion
EX10A3BKG-HD
- Series - Aluminum Housing, UL Listed NEMA 4/4X, 7, 9
- Indication - Aluminum Cover with Standard Red/Green Indicator
- Switch Type - Mechanical SPDT Silver Plated
- Switch Quantity - 3 Switches
- Coating - Black Polyester Powder Coating
- Conduit - (2) 1/2” NPT, (1) 3/4” NPT Conduit Connection
- Mounting Bracket Kit - THD Series Heavy Duty Actuators
EX10A3BKN-20
- Series - Aluminum Housing, UL Listed NEMA 4/4X, 7, 9
- Indication - Aluminum Cover with Standard Red/Green Indicator
- Switch Type - Mechanical SPDT Silver Plated
- Switch Quantity - 3 Switches
- Coating - Black Polyester Powder Coating
- Conduit - 1/2” NPT
- Mounting Bracket Kit - 2R20 Thru 2R300, 30-80 mm - 20 mm High-Pinion
EX10A3BKN-30
- Series - Aluminum Housing, UL Listed NEMA 4/4X, 7, 9
- Indication - Aluminum Cover with Standard Red/Green Indicator
- Switch Type - Mechanical SPDT Silver Plated
- Switch Quantity - 3 Switches
- Coating - Black Polyester Powder Coating
- Conduit - 1/2” NPT
- Mounting Bracket Kit - 2R500 Thru 2R3500, 30-130 mm - 30 mm High-Pinion
1 - 12 of 1,130 Part Numbers
Specifications
Brand
Actuator Type
- Double-Acting Actuator (3-Position)
- Spring Return Actuator (3-Position)
Approvals & Certifications
- cUL, Class I, Div. 1, Groups C, D, Class II, Div. 1, Groups E, F, G
- UL: Class I, Div. 1, Groups C, D, Class II, Div. 1, Groups E, F, G
Cable Entry
- 1/2” NPT
- 3/4” NPT
Communication
- AS-i Interface Protocol
- DeviceNET Protocol: Two Inputs, 100 mA Output
Conduit Connection
- 1/2” NPT
- 3/4” NPT
Cover Material
- Aluminum
Electrical Connectors
- 4-20 mA Transmitter
- Terminal Strip
Electrical Contacts
- Gold-Plated: SPDT
- Silver-Plated: SPDT & DPDT
Electrical Rating
- 0.1 A at 120 Vac Resistive: Mechanical SPDT Gold-Plated
- 0.25 A at 120 Vac, Resistance: Proximity Reed SPST, SPDT, DPDT
- 0.416 A at 48 Vdc, Resistive: Proximity Reed SPST, SPDT, DPDT
- 0.5 A at 24 Vdc Resistive/Inductive: Mechanical SPDT Silver-Plated
- 0.55 A at 24 Vdc, Resistive/Inductive: Proximity Reed (Bifurcated) SPST
- 1 A at 125 Vac, Resistive: Proximity Reed (with LED) SPST, Nova V3 Proximity SPDT Gold-Bifurcated Hermetically Sealed
- 1 A at 30 Vdc: Nova V3 Proximity SPDT Gold-Bifurcated Hermetically Sealed
- 1.5 A at 120 Vac: Proximity Reed (Bifurcated) SPST
- 1/4 hp at 125 Vac Resistive/Inductive: Mechanical DPDT Silver-Plated
- 5 A at 250 Vac Resistive/Inductive: Mechanical SPDT & DPDT Silver-Plated, Nova V3 Proximity SPDT Silver-Oxide Hermetically Sealed
- 5 A at 28 Vdc: Nova V3 Proximity SPDT Silver-Oxide Hermetically Sealed
Enclosure Finish
- Black Polyester Powder-Coated
Enclosure, Body Material
- Aluminum
Environmental Protection
- Hazardous Area
- IP65
- IP67
- NEMA 4
- NEMA 4X
- NEMA 7
- NEMA 9
Indication
- 3-Way Block Center
- 3-Way Indicator [L or T Port]
- Green Status Light
- Red Status Light
- Visual Indicator with Twin Shaft Design
Load
- 0.5 A, Max.
- 4 A, Max.
Mounting
- ISO F05 Mounting Pattern
- VDI/VDE 3845 Shaft
Operating Temperature
- -25° to 80° C (-13° to 176° F) - for Div. 1
- -40° to 80° C (-40° to 176° F) - for Div. 2
Output
- 4-20 mA
Sensor, Probe Connection
- 2-Wire, 5 to 200 mA, 20-140 V (AC or DC): Solid State Sensor
- 3-Wire, PNP, 5 to 100 mA at 30 Vdc, Amplified: Solid State Sensor
Sensor, Probe Type
- Solid State Sensor
Supply Voltage
- 9-30 Vdc: Transmitter
- NAMUR 2-Wire, 8 Vdc: Solid State Sensor
Switch Type
- DPDT
- Limit
- Mechanical
- Proximity Reed
- Silver-Oxide & Gold-Bifurcated Hermetically Sealed
- SPDT
- SPST