Allen Bradley 440R-B23211
Allen-Bradley 440R-B23211, Guardmaster MSR127TP Safety Relay, 24V AC/DC, 3 NO / 1 NC
| Manufacturer: | Sintronics |
|---|---|
| Manufacturer no.: | Allen Bradley 440R-B23211 |
| Product no.: | S-045-159949 |
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Product information
Description
The Allen-Bradley Guardmaster MSR127TP (440R-B23211) is a versatile safety relay engineered for industrial machinery safety. It monitors E-stop buttons, interlock switches, and optoelectronic protective devices (OSSD). Operating on 24V AC/DC, the unit features 3 N.O. safety relay outputs and 1 N.C. auxiliary contact. Equipped with fixed screw terminal connections, it delivers a dependable solution for 35 mm DIN-rail installation.
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Technical data
| Weight: | 0.1 kg |
|---|---|
| Country of Origin: | Germany |
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Product Features
The Allen-Bradley Guardmaster MSR127TP (Catalog No. 440R-B23211) is a proven, compact safety relay designed for reliable evaluation of safety sensors and command devices in automated industrial environments.
Technical Specifications
- Safety Rating: PL e (ISO 13849-1), SIL 3 (IEC 62061 / IEC 61508), Cat. 4
- Supply Voltage: 24V AC/DC
- Safety Inputs: 1 N.C., 2 N.C., Light Curtains (OSSD)
- Safety Outputs: 3 N.O. safety contacts (relay-based)
- Auxiliary Outputs: 1 N.C. auxiliary contact
- Reset Modes: Automatic/Manual reset or Monitored Manual reset
- Terminal Type: Fixed screw terminals
Mechanical and Installation Data
- Housing Width: 22.5 mm
- Mounting: 35 mm DIN-rail
- Protection Rating: IP40 enclosure / IP20 terminals
- Operating Temperature: -5 °C to +55 °C
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