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Allen Bradley Guardmaster Safety Relays 440P-MALS11B

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440P-MALS11B

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The 440P-MALS11B from Allen Bradley belongs to the Guardmaster series and functions as a large metal IEC safety limit switch. Designed for reliable performance, it features a die cast alloy housing that adheres to IP66 standards for protection against dust and moisture. The switch is equipped with adjustable roller lever actuation, and it can achieve actuation speeds ranging from a minimum of 100 millimeters per minute to a maximum of 250 millimeters per second.

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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 440P-MALS11B

ManufacturerAllen Bradley
Product TypeLarge Metal IEC Safety Limit Switch
Product LineGuardmaster Safety Relays
Part Number440P-MALS11B
Weight1.00 lbs (0.45 kg)
UPC662072087671
Housing MaterialDie cast alloy
Degree of ProtectionIP66
Contact Configuration1 Normally Open (NO) contact and 1 Normally Closed (NC) contact
Switching Current5 milliamperes at 5 Volts DC (minimum)
Thermal Current Rating10 Amperes
Actuator TypeAdjustable roller lever
Contact TypeSnap acting
Connection TypeM20 conduit
Actuation Speed100 millimeters per minute (minimum) and 250 millimeters per second (maximum)
Mechanical Life Service10,000,000 operations per hour
Rated Insulation Voltage600 Volts AC
Maximum Actuation Frequency6,000 operations per hour
Impulse Withstand Voltage Rating2500 Volts

The Allen Bradley 440P-MALS11B is a robust large metal IEC safety limit switch, ideal for ensuring safety in various industrial applications. Constructed from die cast alloy, the switch features high durability, combined with an IP66 rating which guarantees protection against dust and water ingress. This essential component is designed with an adjustable roller lever actuator to provide operational flexibility.

With a switching capability that includes 1 normally open (NO) contact and 1 normally closed (NC) contact, the limit switch meets diverse application requirements. The device operates efficiently with a thermal current rating of 10 Amperes, and it requires a minimum switching current of 5 milliamperes at 5 Volts DC. The performance of the 440P-MALS11B allows for an impressive maximum actuation frequency of 6000 operations per hour, facilitating efficient and reliable automation processes.

Its actuation speed can range from a minimum of 100 millimeters per minute to a maximum of 250 millimeters per second, ensuring responsiveness during operations. The mechanical life of the switch can reach up to 10 million operations per hour, underlining its reliability in prolonged usage. For electrical insulation, it boasts a rated insulation voltage of 600 Volts AC and an impulse withstand voltage rating of 2500 Volts, making it suitable for high-stress environments. This limit switch provides important features necessary for achieving safety and functionality in demanding industrial conditions.