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Allen Bradley Guardmaster Safety Relays 440T-MSSSE22JC

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440T-MSSSE22JC

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The 440T-MSSSE22JC from Allen Bradley is a trapped key interlock designed for safety applications. It has a rated insulation voltage of 500 V and can handle a continuous current of up to 10 A, ensuring reliability in various scenarios.

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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 440T-MSSSE22JC

ManufacturerAllen Bradley
Product TypeTrapped Key Interlock
Product LineGuardmaster Safety Relays
Part Number440T-MSSSE22JC
UPC885630177625
Rated Insulation Voltage500 V
Pollution Degree3
Minimum Switching Current5 mA @ 5 V DC
Thermal (Continuous) Current Rating10 A
Rated Impulse Withstand Voltage2,500 V
Auxiliary Contacts1 Normally-Open (NO)
Maximum Switching Current / Load500 VA
Actuator Travel for Positive Opening5 mm
Maximum Actuation Frequency2 Hz
Maximum Actuation Speed1 m/s
Maximum Holding Force2,000 N
Minimum Break Contact Force12 N
Maximum Releasable Load100 N
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The Allen Bradley 440T-MSSSE22JC is a trapped key interlock specifically designed for applications requiring stringent safety measures. This unit is capable of withstanding a rated insulation voltage of 500 volts, which provides significant electrical safety in various installations. The device is classified within pollution degree 3, indicating its robustness in challenging environments.

This interlock device features an auxiliary system that includes one normally-open contact, enabling it to manage a maximum load of 500 volt-amperes (VA). It requires a minimum switching current of 5 mA at an input of 5 V DC. Additionally, the thermal continuous current rating reaches 10 amperes, which confirms its capability to handle substantial electrical loads. The design allows a rated impulse withstand voltage of 2,500 volts, enhancing its protective features against surges.

In terms of mechanical functionality, the actuator must travel 5 mm to achieve positive opening. The device can handle an actuation frequency of 2 Hz, with a maximum speed of 1 meter per second. It is engineered to exert a holding force of 2,000 Newtons, providing significant stability. A minimum break force of 12 Newtons is needed, and the device can release loads up to 100 Newtons, making it effective in a variety of industrial settings.