ABB RT6 2TLA010026R0000 Safety Relay, 24VDC 3NO/1NC PL e SIL3

1. Product Overview

ABB RT6 2TLA010026R0000 is a high-performance universal safety relay from ABB Jokab Safety’s trusted RT series, engineered for comprehensive machinery safety monitoring and protection. Designed for single-channel and dual-channel safety signal detection, this 24VDC safety relay delivers maximum safety integrity of PL e / Cat.4 / SIL3, fully compliant with global ISO and IEC machinery safety standards. Featuring a high-capacity 3NO+1NC contact configuration, compact industrial housing, and versatile compatibility with mainstream safety field devices, the RT6 2TLA010026R0000 serves as a reliable core safety control unit for automated machinery, production lines, and industrial safety interlock systems. Its robust structure, full self-diagnosis capability, and flexible reset modes make it ideal for standardized and high-reliability industrial safety applications.

2. Complete Technical Specifications

2.1 Core Electrical & Safety Ratings

The ABB RT6 2TLA010026R0000 operates on a stabilized 24VDC power supply with a tolerance range of -20% to +15%, ensuring stable operation under industrial voltage fluctuation conditions. It adopts an optimized contact structure with 3 normally open (3NO) safety contacts and 1 normally closed (1NC) auxiliary contact, providing abundant output resources for multi-loop safety interlock control. The module achieves the highest industrial safety grades: Performance Level e (PL e) and Category 4 per ISO 13849-1, as well as SIL3 functional safety level per IEC 61508. It supports instantaneous impulse withstand voltage up to 2.5kV, with strong anti-surge capability to resist industrial voltage spikes and electrical interference.

2.2 Signal Detection & Working Logic

This universal safety relay supports both single-channel and dual-channel safety signal monitoring, perfectly adapting to safety control requirements of different risk levels. It can accurately detect open-circuit and short-circuit faults in safety circuits in real time, effectively preventing invalid safety protection caused by wiring faults or circuit aging. The device supports flexible reset mode switching, including automatic reset and supervised manual reset, which can be configured through simple terminal wiring to match diverse equipment operation logic. With fast safety response speed, it can instantly cut off safety outputs and trigger equipment shutdown once abnormal safety signals are captured, eliminating mechanical accidental startup risks.

2.3 Mechanical & Environmental Parameters

The ABB RT6 2TLA010026R0000 features a compact industrial-grade housing with dimensions of 45mm (width) × 84mm (height) × 120mm (depth) and a net weight of only 0.33kg. It adopts standard 35mm DIN rail mounting for quick installation, disassembly and replacement, optimizing cabinet layout and saving control space. Equipped with detachable screw terminals, it simplifies on-site wiring and later maintenance operations. The module adapts to wide industrial environmental conditions, with excellent dustproof and anti-interference performance, stable operation in conventional factory environments, and strong resistance to long-term mechanical vibration and temperature fluctuations.

3. Core Product Features & Advantages

3.1 Multi-Contact Output Improves Control Expandability

Different from ordinary 2NO safety relays, theABB RT6 2TLA010026R0000 is equipped with 3NO+1NC multi-group contacts, which can drive multiple safety control loops simultaneously. It can synchronously control contactors, solenoid valves and alarm loops, realizing one-device multi-loop safety interlock. The abundant contact resources eliminate the need for additional relay expansion in most standard machinery safety scenarios, simplifying circuit design, reducing equipment failure points, and improving the overall stability of safety control systems.

3.2 Full-Circuit Intelligent Fault Diagnosis

The RT6 safety relay integrates built-in circuit self-diagnosis function, supporting real-time monitoring of wiring open circuit, short circuit and signal abnormality. Onboard LED indicator lights clearly display power status, safety input signal status and fault alarm status, allowing technicians to quickly locate faulty links without complex detection tools. The active fault diagnosis mechanism avoids hidden safety hazards caused by undetected circuit failures, greatly improving equipment operation safety and on-site maintenance efficiency.

3.3 Ultra-Wide Device Compatibility & Flexible Configuration

This universal safety relay is compatible with all mainstream ABB Jokab safety field devices, including emergency stop pushbuttons, safety door interlock switches, safety light curtains, safety mats and safety edge strips. It supports free switching of single/double-channel monitoring modes and automatic/manual reset logic, which can flexibly match the safety process requirements of different mechanical equipment. The standardized design is fully compatible with mainstream industrial PLC and automation control systems, realizing seamless integration of safety control and equipment process control.

3.4 Industrial-Grade Stability & Cost-Effective Deployment

Adopting ABB’s mature industrial relay manufacturing technology, the RT6 2TLA010026R0000 features strong electromagnetic anti-interference ability, surge resistance and long service life, adapting to long-term uninterrupted operation in complex industrial environments. The integrated multi-function and multi-contact design reduces the number of spare parts for system integration, simplifies inventory management, and effectively reduces procurement, wiring and after-sales maintenance costs. It is a high-cost-performance universal safety relay for standardized industrial machinery safety transformation and new project construction.

4. Industrial Application Scenarios

The ABB RT6 2TLA010026R0000 safety relay is widely deployed in medium and high-risk industrial machinery safety protection scenarios. In automated manufacturing, it is applied to assembly lines, packaging machinery, stamping and cutting equipment, and material handling machinery for safety interlock and emergency stop protection. In the petrochemical and process industry, it provides reliable safety monitoring for production auxiliary equipment and linkage mechanical devices. In intelligent factory upgrading projects, it serves as a standardized safety control unit to optimize equipment safety logic, help enterprises meet ISO 13849 and IEC 61508 safety specifications, and ensure standardized and safe automated production operation.

5. Frequently Asked Questions (FAQ)

5.1 What safety level does ABB RT6 2TLA010026R0000 achieve?

The ABB RT6 2TLA010026R0000 reaches top industrial safety grades includingPL e / Category 4 (ISO 13849-1) and SIL3 (IEC 61508), suitable for high-risk machinery safety protection and industrial functional safety control scenarios.

5.2 What is the contact configuration of RT6 2TLA010026R0000?

This safety relay adopts a high-expansion 3NO + 1NC contact structure, with more output loops than conventional safety relays, supporting multi-group safety loop synchronous control and meeting complex interlock control demands.

5.3 What power supply does the RT6 safety relay support?

The ABB RT6 2TLA010026R0000 is powered by 24VDC, with a wide voltage tolerance of -20% to +15%, maintaining stable operation in industrial environments with common voltage fluctuations.

5.4 What safety devices can RT6 be matched with?

It is universally compatible with emergency stop buttons, safety door switches, safety light curtains, safety mats and safety edge strips, covering almost all conventional machinery safety field detection devices.