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Allen Bradley Guardmaster Safety Relays 440K-T11146

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440K-T11146

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The 440K-T11146, from Allen Bradley's Guardmaster Safety Relays series, is a robust tongue switch designed to enhance safety measures in various applications. Equipped with a rated insulation voltage of 500 V and incorporating two normally closed (NC) safety contacts, it ensures reliable performance under demanding conditions.

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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 440K-T11146

ManufacturerAllen Bradley
Product TypeTongue Switch
Product LineGuardmaster Safety Relays
Part Number440K-T11146
Auxiliary Contact1 NO Contact
Safety Contacts2 NC Contacts
Thermal Current10A
Rated Insulation Voltage500 V
Impulse Withstand Voltage2500 V
Pollution DegreeDegree 3
IP ProtectionIP67
Actuator MaterialStainless Steel
Actuation Frequency2 cycles per second
Operating Temperature Range-20 to 80°C
Mechanical Life1,000,000 operations
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The Allen Bradley 440K-T11146 tongue switch is a critical component in safety applications, designed to provide reliable functionality. In terms of build quality, it is designed with a durable stainless steel actuator, which can withstand significant wear and tear while ensuring dependable operation. The switch is rated for a thermal current of 10A and features one normally open auxiliary contact, alongside two normally closed safety contacts to enhance system safety.

This unit supports a rated insulation voltage of 500 V and has a high impulse withstand voltage of 2500 V, promoting stability in high-voltage environments. Its pollution degree is classified as Degree 3, indicating resilience in various conditions. Operationally, the 440K-T11146 can perform at an actuation frequency of 2 cycles per second, making it suitable for applications requiring quick response times.

With an IP67 rating, this tongue switch is deemed fully protected against dust and water ingress, ensuring consistent performance in tough conditions. It can operate efficiently in a broad temperature range, from a low of -20°C to a high of 80°C, allowing versatility in usage. Moreover, this equipment boasts a significant mechanical lifespan of up to 1,000,000 operations, confirming its suitability for long-term employment in safety-critical environments.