ABB NFZB22ERT-23 Control Relay: 2NO-2NC, 100-250V Coil for Railway Applications
ABB
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ABB
ABB NFZB22ERT-23 Control Relay: 2NO-2NC, 100-250V Coil for Railway Applications
The NFZB22ERT-23 contactor relay is designed to meet the rigorous demands of modern railway rolling stock standards, making it ideal for installation in passenger or driver cabins of trains frequently operating in tunnels or underground environments. This relay is engineered for switching auxiliary and control circuits, offering enhanced compactness with reduced dimensions and side-by-side mounting that requires 15% less width without spacing, suitable for temperatures ranging from -40°C to +70°C. It adheres to key standards such as IEC 60947-4-1, IEC 60947-5-1, and IEC 60077-1/-2, and withstands shocks and vibrations as per IEC 61373 cat. 1, class B. The relay achieves top-tier fire and smoke behavior compliance with EN 45545-2 (HL2, HL3 hazard levels) in group mounting, contributing to energy efficiency with a 68% reduction in coil energy consumption. Its electronic coil interface accommodates a broad DC control voltage range, including Uc = 220 V DC, and accepts sinusoidal AC 50/60 Hz control supplies within the Ucmin to Ucmax voltage range. The relay features screw terminals for secure cable connections, mechanically-linked auxiliary contacts compliant with IEC 60947-5-1, and offers a variety of auxiliary contact blocks for versatile front and side mounting options.
- Rated Control Circuit Voltage:
- 50 Hz /60 Hz DC Operation 100 ... 250 V
- Terminal Type:
- Ring-Tongue Terminals
- Spec Sheet:
- View
