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Allen Bradley Guardmaster Safety Relays 440R-C23137

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440R-C23137

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The 440R-C23137 from Allen Bradley is a safety relay designed to ensure secure operations in industrial applications. With a supply voltage of 115 V AC and a power consumption of 4 watts, it features robust output configurations for enhanced safety.

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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 440R-C23137

ManufacturerAllen Bradley
Product TypeSafety Relay
Product LineGuardmaster Safety Relays
Part Number440R-C23137
Weight1.00 lbs (0.45 kg)
Supply / Power-entry115 V AC
Power Consumption4 W
Safety Outputs3 N.O.
Auxiliary Outputs2 N.C. relay outputs
Contact Rating6 A / 250 V AC
Minimum Switching Current / Voltage10 mA @ 10 V
Thermal Current1 × 6 A
Surge/Impulse Withstand Voltage2.5 kV
Enclosure / Housing RatingIP40 (body) / IP20 (terminals)
Pollution Degree2
Response Time15 ms
Conductor Size0.20–4 mm²
Terminal Tightening Torque0.8 Nm
MountingDIN-rail
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The 440R-C23137 is a safety relay manufactured by Allen Bradley, falling under the Guardmaster Safety Relays series. Designed to operate at a supply voltage of 115 V AC, the relay consumes a total power of 4 watts. This unit provides three normally open safety outputs, facilitating enhanced safety protocols in various applications. Additionally, it is equipped with two normally closed relay outputs for auxiliary functions, adding further flexibility in usage.

The rated contact capacity reaches 6 amperes at a voltage of 250 V AC, accommodating significant loads. For reliable performance, the minimum switching current is set at 10 mA with a voltage of 10 V. Furthermore, the thermal current is rated at 6 A and able to withstand surge/impulse voltages up to 2.5 kV. The relay’s response time is recorded at 15 milliseconds, ensuring swift operation during critical safety events.

In terms of construction, the enclosure boasts an IP40 rating for the body and IP20 for the terminal connections, thereby providing essential protection against environmental factors, with a pollution degree classification of 2. The relay supports conductor sizes between 0.20 and 4 mm² and requires a terminal tightening torque of 0.8 Nm for secure installation. The unit is suitable for DIN-rail mounting, making it convenient for integration into various industrial control panels.