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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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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Large Metal IEC Safety Limit Switch |
| Product Line | Guardmaster Safety Relays |
| Part Number | 440P-MALS11B |
| Weight | 1.00 lbs (0.45 kg) |
| UPC | 662072087671 |
| Housing Material | Die cast alloy |
| Degree of Protection | IP66 |
| Contact Configuration | 1 Normally Open (NO) contact and 1 Normally Closed (NC) contact |
| Switching Current | 5 milliamperes at 5 Volts DC (minimum) |
| Thermal Current Rating | 10 Amperes |
| Actuator Type | Adjustable roller lever |
| Contact Type | Snap acting |
| Connection Type | M20 conduit |
| Actuation Speed | 100 millimeters per minute (minimum) and 250 millimeters per second (maximum) |
| Mechanical Life Service | 10,000,000 operations per hour |
| Rated Insulation Voltage | 600 Volts AC |
| Maximum Actuation Frequency | 6,000 operations per hour |
| Impulse Withstand Voltage Rating | 2500 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.