Product Details
Overview
The Allen-Bradley 440R-N23126 is a GuardMaster safety relay designed to provide reliable monitoring and control for industrial safety circuits. Compatible with both 24V AC and DC input, this relay ensures fast, fail-safe operation for critical machine safety applications.
Technical Specifications
-
Manufacturer: Allen-Bradley
-
Product Line: GuardMaster
-
Model / Part Number: 440R-N23126
-
Module Type: Safety Relay
-
Input Voltage: 24 V AC/DC
-
Relay Outputs: Dual-channel outputs for safety monitoring
-
Response Time: Typically under 20 ms
-
Contacts: Force-guided contacts with positive-opening mechanism
-
Mounting: DIN rail or panel mount compatible
-
Operating Temperature Range: -25°C to 60°C (-13°F to 140°F)
-
Power Consumption: 2 W typical
-
Safety Standards: Meets IEC 61508 / ISO 13849 safety requirements
-
Dimensions (HxWxD): 90 x 17.5 x 110 mm (3.54 x 0.69 x 4.33 in.)
-
Weight: 0.5 kg (1.1 lb)
Key Features
-
Monitors emergency stop, safety gates, and light curtains
-
Dual-channel output for redundancy and fail-safe operation
-
Positive-opening contacts prevent unsafe states
-
LED indicators for status monitoring
-
Compatible with GuardMaster modular safety systems
Application Scenarios
-
Emergency stop circuits on manufacturing lines
-
Light curtain and safety gate monitoring
-
High-risk machinery requiring SIL2 / PLd compliance
-
Safety interlock control for assembly robots
FAQs
Q: Can this relay operate with both AC and DC inputs?
A: Yes, the 440R-N23126 supports 24V AC or DC operation.
Q: What safety standards does it meet?
A: It complies with IEC 61508 and ISO 13849 for machine safety.
Q: How is it mounted?
A: The relay can be installed on a standard DIN rail or directly on a control panel.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Strategic Selection: Choosing the Right SCADA Software for Your PLC Project
In industrial automation, the SCADA (Supervisory Control and Data Acquisition) system acts as the bridge between raw machine data and actionable human intelligence. Selecting the incorrect software platform can lead to integration bottlenecks, scalability issues, and excessive long-term maintenance costs. As an automation consultant with 15 years of experience, I have guided many projects through the selection process. Below are the essential criteria for choosing a platform that ensures both performance and longevity.
Ensuring Operational Continuity: The Strategic Value of Redundant Automation Systems
In modern industrial landscapes, unplanned downtime is the ultimate adversary. For sectors relying on complex PLC and DCS architectures, a single hardware failure can trigger catastrophic production losses. Therefore, implementing redundant automation systems is no longer a luxury; it is a fundamental requirement for mission-critical operations. In this article, I analyze why redundancy remains the backbone of reliable industrial infrastructure.
Selecting the Right Cables for Industrial Automation: A Comprehensive Guide
Selecting the appropriate cabling infrastructure is critical for the success of any industrial automation project. Improper cable selection often leads to signal degradation, system instability, and costly downtime. As an automation engineer, I frequently see projects compromised by poor cabling choices in harsh industrial environments. This guide simplifies the complex landscape of cabling to help you make informed decisions for your PLC, DCS, and control systems.