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Allen Bradley

Allen Bradley CAT 817-A* Thermistor Relay

Allen Bradley 817-A* Thermistor Relay

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ManufacturerAllen Bradley

Part number817-A

Voltage Rating 240V ~ 50/60 HZ

Power Consumption 2VA

Maximum Switching Current 4 Amps

Contact Rating AC-15 250V / DC-15 250V

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Veteran-owned

CAGE: 9NK75

Thermistor protection Automatic reset 4A contact rating 240V AC coil Reliable motor protection Industrial grade

Product description

The Allen Bradley 817-A* is a thermistor relay designed for motor protection and thermal monitoring applications. It features a voltage rating of 240V AC at 50/60 Hz, with a power consumption of 2VA. This relay has a maximum switching current of 4 Amps and contact ratings of AC-15 250V / DC-15 250V.

This thermistor relay is essential for safeguarding motors and other equipment from overheating. It integrates seamlessly into various industrial control systems, providing reliable protection against thermal damage. Its automatic operation mode ensures continuous monitoring and timely response to temperature fluctuations.

Source your Allen Bradley 817-A* from Stanlo Automation, your trusted veteran-owned surplus parts distributor. We offer reliable components to keep your operations running smoothly and efficiently.

Technical specifications

Voltage Rating	240V ~ 50/60 HZ
Power Consumption	2VA
Maximum Switching Current	4 Amps
Contact Rating	AC-15 250V / DC-15 250V
Operation Mode	Automatic
Coil Voltage	24 Volts

Common applications

Motor protection

Industrial machinery

HVAC systems

Pump controls

Bearing temperature monitoring

VFD controlled motors

Compatible systems

Suitable for use with PTC thermistors in various motor types.

Also known as

Allen Bradley CAT 817-A* 817-A* Relay Allen Bradley A* Series

Replaces / compatible with

Compatible with various thermistor-based motor protection circuits. Consult manufacturer documentation for specific compatibility.

Technical note

Expert tip

Ensure proper wiring of the thermistor probes to the relay terminals for accurate temperature monitoring.

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Frequently asked questions

What is the maximum switching current for the Allen Bradley 817-A* thermistor relay?

The Allen Bradley 817-A* thermistor relay is rated for a maximum switching current of 4 Amps. This ensures it can handle typical motor loads while providing reliable thermal protection.