Technical Parameters Parameter / Feature Specification / Detail Series / Model RT7B, Part No. 2TLA010028R1000 Supply Voltage (Coil) 24 V DC Contact Configuration (Safety Outputs) 4 safety outputs: 2× NO (instantaneous) + 2× NO (delayed) + 1 NC auxiliary contact (i.e. 2NO/2NO/1NC) Delayed Output Timings Delay selectable: 0 s, 1 s, 2 s, or 3 s (for soft-stop function) Input Configuration Single‑channel or dual‑channel inputs supported (for redundant safety wiring) Additional Outputs 3 voltage‑free transistor “information” outputs (status signalling of inputs/outputs/delay) Reset Modes Manual supervised reset or automatic reset (configurable per installation) Contact Material & Protection Contact material: AgSnO₂ with Au flash; support for external fuses: outputs 1/2: 5 A gL/gG, outputs 3/4: 3 A gL/gG; suitable for safe switching of loads. Power Consumption ~ 4.6 W (at 24 V DC supply) Mounting & Connections Mounts on standard 35 mm DIN‑rail; screw / plug‑in terminal blocks; quick‑release connector blocks supported Enclosure / Protection Rating Housing: IP40; Terminals / connection blocks: IP20 Operating Temperature –10 °C to +55 °C Standards / Safety Category Safety Category up to Cat. 4 (with correct wiring), compliant with relevant safety standards (e.g. EN 62061, EN ISO 13849‑1) Mechanical / Electrical Endurance Long lifetime, designed for many switching cycles (suitable for safety‑critical applications) Dimensions Approx. 84 mm height × 45 mm width × 120 mm depth Typical Applications Guard‑door / gate interlocks, emergency stop circuits, light‑curtain / beam safety, safety mats/edges, enabling‑device monitoring, machine output contactor safety control, safety output expansion, “soft‑stop” on safety event, general machine safety circuits.