
ABB – 2TLA010030R0000 E1T‑0S – Safety Expansion Relay, 4×NO Outputs, 24 V DC
The ABB E1T‑0S (P/N 2TLA010030R0000) is a modular safety expansion relay designed to increase the number of safe switching outputs for automation and industrial machinery. It provides an additional 4 NO outputs with selectable 0–3 s drop delay, enabling flexible safety circuit designs when paired with base safety relays like Jokab or Industrial Safety Systems.
Key Features & Specifications
Part / Model: 2TLA010030R0000 (E1T‑0S)
Supply Voltage: 24 V DC, ~1.5 W consumption
Outputs: 4 × safety-rated NO relay contacts (OS = On-Delay, safe off)
Delay Settings: 0 s, 0.5 s, 1 s, 2 s, 3 s (selectable drop delay)
Mounting: 22.5 mm DIN-rail module, fits E1 base units; plug-in screw connectors
Approvals: CE, TUV, UL, certified to EN62061, EN954‑1, ISO13849‑1, SIL 3 / PLe
Indicators: Built-in LED for power/output status feedback