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Allen Bradley Guardmaster Safety Relays MSR127TP

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MSR127TP

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The MSR127TP is a compact safety relay produced by Allen Bradley. Operating at 24V AC/DC, it supports a maximum current of 3 A and consumes 2 W of power, making it efficient in numerous applications.

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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 MSR127TP

ManufacturerAllen Bradley
Product TypeSafety Relay
Product LineGuardmaster Safety Relays
Part NumberMSR127TP
UPC611320806496
Voltage Rating24V AC/DC
Current Rating3 A
Power Consumption2 W
Operating Temperature Range-5 to 55°C
Humidity Range90% (implied non-condensing)
IP RatingIP40 (NEMA 1) enclosure / IP20 terminal protection
Contact Configuration3 N.O. safety-rated output contacts plus 1 N.C. auxiliary output contact
Reset TypeAutomatic/Manual
Response Time15 ms
Mounting Type35mm DIN rail mounting
Mechanical Life2,000,000 operations
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The MSR127TP safety relay from Allen Bradley is engineered for high reliability in protective applications. Weighing just 0.46 lbs, it operates efficiently within a voltage range of 24V AC/DC. The device has a current rating of 3 A and requires only 2 W of power for operation, making it suitable for a variety of settings.

Designed to function effectively within a temperature span of -5 to 55°C and a humidity threshold of 90%, it also showcases impressive features such as IP40 (NEMA 1) enclosure and IP20 terminal protection, ensuring adequate defense against dust ingress and other potential threats.

The MSR127TP offers three normally open safety-rated output contacts along with one normally closed auxiliary contact. This makes it versatile and adaptable for different safety requirements. Users can choose between automatic or manual reset modes, offering flexibility in application. Furthermore, with a rapid response time of 15 ms, it enhances safety measures by facilitating quick fault detection and action. For convenience in installation, this relay is designed for 35 mm DIN rail mounting. The mechanical lifespan is rated at an impressive 2,000,000 operations, ensuring prolonged reliability and performance over time.