ABB BSR10 2TLA010040R0000 Sentry Safety Relay, 24VDC 3NO+1NC PL e SIL3

1. Product Overview

ABB BSR10 2TLA010040R0000 is a cost-effective industrial safety relay from ABB’s professional Sentry series, designed for basic machinery safety monitoring and safety output expansion applications. Operating on standard 24VDC power supply and equipped with a practical 3NO+1NC contact configuration, this single-channel safety module delivers top-tier safety integrity of PL e / Cat.4 / SIL3, fully complying with ISO and IEC global machinery safety standards. Featuring ultra-slim 22.5mm housing, fast response performance, and flexible multi-reset support, the BSR10 serves dual functions of independent safety circuit monitoring and safety output expansion for safety PLCs or main safety relays. It is widely deployed in standard emergency stop protection, safety door interlock, and safety system expansion scenarios for general industrial automated equipment.

2. Complete Technical Specifications

2.1 Electrical & Safety Core Parameters

The ABB BSR10 2TLA010040R0000 adopts stable 24VDC industrial power supply, matching universal automation control voltage systems with low power consumption and stable operating performance. It integrates 3 normally open (3NO) safety output contacts and 1 normally closed (1NC) auxiliary signal contact, providing reliable multi-loop safety control and real-time status feedback. This module achieves the highest industrial safety certification grades including Category 4 / PL e (ISO 13849-1) and SIL3 (IEC 61508), ensuring zero missed detection and zero misoperation in medium and high-risk machinery safety protection. It features ultra-fast response speed, with activation response time ≤40ms and inactivation response time ≤20ms, realizing instant safety protection triggering.

2.2 Signal Detection & Working Logic

As a dedicated single-channel safety relay, the BSR10 2TLA010040R0000 supports direct monitoring of mainstream safety field devices such as emergency stop buttons and safety interlock switches. It integrates built-in circuit fault diagnosis functions to automatically detect wiring open circuit and short circuit faults in real time, effectively preventing invalid safety protection caused by circuit aging or wiring errors. The module supports flexible multi-reset modes to adapt to different production process requirements. With no delay function design, it executes instantaneous safety cutoff actions, perfectly matching standard machinery safety protection logic that requires rapid risk isolation. In addition to independent operation, it can be used as an expansion relay to increase the output quantity of safety PLCs and main safety relays.

2.3 Mechanical & Environmental Performance

The ABB BSR10 2TLA010040R0000 features an ultra-slim 22.5mm narrow-body industrial housing, which effectively saves control cabinet space and optimizes dense wiring layout. It adopts standard 35mm DIN rail mounting for fast installation, disassembly and on-site maintenance replacement, greatly improving engineering deployment efficiency. Equipped with reliable screw compression terminals, it ensures stable and anti-loose wiring connection in long-term vibration industrial environments. The module has excellent industrial environmental adaptability, with strong electromagnetic anti-interference ability and stable temperature resistance performance, supporting long-term uninterrupted cyclic operation in conventional factory environments. It delivers durable service life, with 160,000 operating cycles for AC loads and 100,000 operating cycles for DC loads.

3. Core Product Features & Advantages

3.2 Dual-Function Independent Monitoring & Output Expansion

The core highlight of ABB BSR10 2TLA010040R0000 is its dual-purpose design. It can operate independently as a complete safety relay for emergency stop and safety door interlock protection, and can also be used as a professional safety expansion module. It effectively expands the limited safety output channels of safety PLCs and high-end safety controllers, solving the pain point of insufficient safety loops in complex automation systems. One device meets two application scenarios, simplifying equipment selection and reducing spare part inventory types.

3.1 High-Speed Response & Reliable Safety Protection

With ultra-fast response performance, the BSR10 safety relay completes safety cutoff within 20–40ms, quickly isolating equipment risks and avoiding personnel injury and mechanical damage caused by delayed protection. Built-in full-circuit self-diagnosis function monitors safety circuit status in real time, actively identifying hidden wiring faults and locking safety outputs to prevent potential safety hazards. Compliant with full PL e / Cat.4 / SIL3 safety standards, it provides authoritative and reliable safety guarantee for industrial machinery, fully meeting international functional safety specification requirements.

3.3 Flexible Multi-Reset Configuration & Strong Compatibility

Supporting flexible multi-reset logic, the module can adapt to automatic reset and supervised manual reset application requirements of different equipment, with flexible configuration and wide applicability. It is fully compatible with all ABB Jokab safety field devices and mainstream safety control systems on the market, realizing seamless docking and coordinated operation. The standardized circuit logic design ensures excellent compatibility in new project construction and old equipment safety transformation, without complex program debugging and circuit modification.

3.4 Compact Structure & High Cost-Performance Deployment

Adopting Sentry series ultra-slim modular design, the BSR10 minimizes cabinet space occupation and is suitable for compact cabinet layout scenarios. Based on ABB’s mature industrial relay manufacturing technology, it features stable performance, strong anti-interference ability and long service life. As an economical and practical safety relay, it balances high-standard safety performance and low procurement cost, becoming the preferred cost-effective solution for large-scale standard machinery safety projects and safety system expansion upgrading.

4. Industrial Application Scenarios

The ABB BSR10 2TLA010040R0000 Sentry safety relay is widely used in standard industrial machinery safety protection and safety system expansion scenarios. It is mainly applied to emergency stop safety interlock, safety door switch monitoring, and limit safety locking of automated assembly lines, packaging machinery, conveying equipment and general processing machinery. In medium and small-sized automated production systems, it serves as an economical independent safety control unit. In large-scale intelligent production lines, it acts as a professional safety output expansion module for safety PLCs to supplement insufficient safety loops. It is also suitable for safety standard upgrading and renovation of old industrial equipment, helping enterprises meet ISO 13849 and IEC 61508 safety specifications.

5. Frequently Asked Questions (FAQ)

5.1 What safety level does ABB BSR10 2TLA010040R0000 achieve?

The ABB BSR10 2TLA010040R0000 reaches top industrial safety grades, includingPL e / Category 4 (ISO 13849-1) and SIL3 (IEC 61508), fully meeting high-standard functional safety requirements for industrial machinery.

5.2 What are the core functions of BSR10 safety relay?

This module has dual core functions: independent single-channel safety signal monitoring for emergency stops and safety doors, and safety output expansion for safety PLCs and main safety relays to increase available safety control loops.

5.3 What contact configuration and power supply does this model adopt?

The BSR10 2TLA010040R0000 uses a 24VDC power supply and features a 3NO+1NC contact structure, supporting multi-loop synchronous safety control and real-time equipment status signal feedback.

5.4 What is the response speed of BSR10 safety relay?

It delivers ultra-fast response performance, with activation response time ≤40ms and inactivation response time ≤20ms, realizing rapid safety risk isolation and ensuring equipment and personnel safety.