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BSR11 24VDC 2TLA010040R0200

The ABB BSR11 24 VDC is a safety/expansion relay from ABB’s Sentry series designed for use in machine safety and control circuits. It is intended to monitor safety devices such as emergency stop buttons and safety interlocks by integrating them into the relay’s supply circuit. The device can also be used as an expansion module to increase the number of safe relay outputs when connected to a primary safety relay or safety PLC. The relay is DIN‑rail mountable and uses screw terminals for secure connections.

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Key Technical Parameters General & Safety Model / Part Number: ABB BSR11 24 VDC Series: Sentry Safety Relays Device Type: Safety relay / expansion relay Supply Voltage: 24 V DC Function: Safety monitoring and expansion of safe outputs Mounting: DIN‑rail (IEC TH35) Protection Degree: IP20 Outputs & Contacts Contact Configuration: 4 normally open (4 NO) relay outputs Output Rating: ~5 A operational current (AC‑15) ~6 A operational current (DC‑13) Contact Type: Mechanical relay outputs with screw terminals Control & Operation Safety Inputs: Designed to connect safety switches such as emergency stops directly into the supply circuit Reset Mode: Selectable reset (e.g., manual/automatic multi‑reset options depending on wiring/configuration) Indicators: LED status indicators for outputs and diagnostics Electrical & Environmental Rated Frequency: DC supply (no AC frequency dependency) Terminal Capacity: Suitable for conductors ~0.2–3.3 mm² (solid/stranded with ferrules) Tightening Torque: ~0.7 N·m (recommended) Operating Temperature Range: Approximately −25 °C to +65 °C Storage Temperature Range: Approximately −40 °C to +70 °C Physical Width: ~22.5 mm Height: ~120 mm Depth: ~120 mm Weight: ~0.19 kg Applications Safety Monitoring: Emergency stops and safety interlocks Output Expansion: Increasing safe output count of safety PLCs/relays Machine Safety Controls: Industrial machinery requiring reliable safety switching Control Panels: Integration in safety control and automation panels