Allen Bradley 440R-N23132 Safety Relay

The AB 440R-N23132 is a compact MSR127TP single-function safety relay, designed for safety-critical applications such as emergency-stop circuits, light curtains, and magnetic safety switches. This versatile unit operates on 24V AC/DC and supports both automatic and manual reset modes with removable terminal blocks for easy installation and maintenance.

Part of Rockwell Automation’s Guardmaster range, this safety relay meets stringent EN ISO 13849-1 Performance Level e standards and is engineered for applications requiring up to three safety outputs and one auxiliary signaling output. Its slim 22.5 mm profile is ideal for space-constrained safety panels.

Technical Specifications

Model: MSR127TP
Part Number: 440RN23132
Series: Guardmaster Safety Relay
Function: Single-function Safety Relay
Reset Type: Automatic or Manual
Safety Input Channels: 1-Channel or 1- & 2-Channel
Output Configuration:

• 3 x Safety Outputs (N.O. contacts)
• 1 x Auxiliary Signal Output (N.C. contact)
  Stop Category: 0
  Feedback Circuit: Yes
  Start Input: Yes
  Mounting Type: DIN Rail
  Terminal Type: Removable plug-in connection
  Application: E-stop buttons, safety gates, light curtains, magnetic switches

Electrical Specifications

Supply Voltage (AC): 24V AC ±10%, 50/60 Hz
Supply Voltage (DC): 24V DC ±10%
Output Contact Rating: 250V AC, 6A (resistive)
Response Time: Typically <20 ms
Power Consumption: Low-power circuitry for efficient performance
Contact Type: Electromechanical relays
Relay Type: Positive-guided contacts

Mechanical Specifications

Width: 99 mm
Height: 114.5 mm
Depth: 22.5 mm
Housing Type: Slimline, panel-mountable enclosure
Mounting: DIN Rail
Connection Type: Plug-in screw terminal blocks
Device Category: Basic device with detachable plug-in connectors

Environmental Specifications

Operating Temperature Range: -10…55 °C
IP Rating: IP20 (enclosed), suitable for installation in IP54+ control panels
Vibration Resistance: Meets IEC/EN 60068-2-6
Shock Resistance: Meets IEC/EN 60068-2-27
Humidity Range: 10–95% non-condensing
Certifications: CE, cULus, TUV, BG/BIA approved

Compliance & Safety

Performance Level (EN ISO 13849-1): PL e
Safety Category (IEC 60204): Stop Category 0
EN 62061 / SIL Compliance: SIL 3 capable
UL Approved: Yes
BG BIA Approved: Yes

Key Features & Benefits

✅ Dual Reset Functionality – Supports both automatic and manual reset options for flexible use

✅ High Safety Performance – Meets PL e and SIL 3 ratings for high-risk applications

✅ 4 Contact Outputs – 3 safety N.O. + 1 auxiliary N.C. for signaling and logic expansion

✅ Removable Terminals – Simplifies wiring, servicing, and unit replacement

✅ Universal 24V AC/DC Supply – Ideal for global control panel compatibility

✅ Supports Multiple Safety Devices – Emergency stops, light curtains, and safety gate monitoring

📦 Buy the Allen Bradley 440R-N23132 MSR127TP Today from Drive Outlet Megastore

At Drive Outlet Megastore we offer unbeatable Allen Bradley 440R-N23132 prices. With 75+ units in stock and immediate dispatch availability, this safety relay is a cost-effective and reliable choice for machine builders and industrial automation integrators.

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