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Allen Bradley Bulletin 837 837-A4AX231

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837-A4AX231

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The 837-A4AX231 is a temperature control switch designed for reliable heating and cooling management. Utilizing a remote bulb and capillary sensing method, it efficiently adjusts temperature settings through an external dial.

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Ships from Raleigh, NC
2 Year DO Supply Warranty
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 837-A4AX231

ManufacturerAllen Bradley
Product TypeTemperature Control Switch
Product LineBulletin 837
Part Number837-A4AX231
Weight3.00 lbs (1.36 kg)
GTIN10662073956935
Sensing MethodRemote bulb & capillary
DifferentialFixed (standard)
Bulb MaterialCopper or brass (standard)
EnclosureType 1
MountingSurface mount
Contact TypeSPDT
ResetAutomatic
Contact Rating600 V AC, 5 A
Setpoint AdjustmentExternal dial
Capillary LengthStandard (factory set)
ApplicationHeating/cooling control
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The Allen Bradley 837-A4AX231 is a robust temperature control switch engineered for effective climate regulation in various applications. It employs a remote bulb and capillary sensing technique, which offers precise temperature monitoring. This switch features an external dial that allows users to set the desired temperature point easily, ensuring optimal control over heating and cooling systems.

Constructed for durability, the bulb in the switch can be made from either copper or brass, providing reliability during operation. The unit has a fixed differential, which maintains consistent performance. It is designed for surface mounting, allowing for straightforward installation in a range of settings. This device is housed in a Type 1 enclosure, offering protection from dust and moderate environmental conditions.

With an SPDT (Single-Pole Double-Throw) contact configuration, this switch supports a contact rating of 600 volts AC and 5 amperes, catering to various load requirements. The 837-A4AX231 features an automatic reset function, enhancing its user-friendliness and performance efficiency. Capillary length is factory set to standard specifications, making installation more convenient while ensuring operational integrity.