Industrial QBCA1 Relay

Description:

The Westinghouse Invensys QBCA1 Relay MICROLOK II System Ansaldo is used in railway signaling and industrial interlocking systems. Commonly installed in MICROLOK II railway control systems, signaling cabinets, rail interlockings, and transportation automation equipment. Maintenance teams and railway system integrators use this relay for replacement, retrofit projects, preventive maintenance, and signaling system upgrades. QBCA1 relays are AC immune DC biased contactor relays designed for heavy-duty railway signaling applications. 

Applications:

The Westinghouse Invensys QBCA1 relay is commonly used in railway signaling systems, MICROLOK II interlocking systems, Ansaldo rail control applications, transportation automation systems, and industrial control applications where reliable heavy-duty relay switching and dependable fail-safe signaling operation are critical for safe and continuous system performance.

Technical Specifications:

• Brand: Westinghouse Invensys
• Part Number: QBCA1
• Product Type: Railway Signaling Relay
• Relay Style: QBCA1
• System Compatibility: MICROLOK II System
• Associated Manufacturer: Ansaldo
• Relay Type: AC Immune DC Biased Contactor Relay
• Application: Railway Signaling and Interlocking Control
• Operating Voltage: 48V DC
• Contact Configuration: Heavy Duty Front Contacts
• Mounting Type: Plug-In Relay Base
• Operating Function: Point Machine and Signaling Circuit Control
• Frequency Immunity: Industrial Frequency AC Immune Design
• Construction Type: Tractive Armature Relay
• Industrial / Railway Duty Rated: Yes
• Compatible Installations: Railway Signaling Cabinets and Interlocking Systems
• Terminal Type: Plug-In Industrial Relay Connections

Common Replacements:

• Siemens QBCA1 BR943 Relay
• Mors Smitt QBCA1 Signaling Relay
• Ansaldo STS Railway Signaling Relay