**Part No**: 3SK1122‑2AB40
**Type**: SIRIUS Advanced Safety Relay Basic Unit, solid‑state outputs, push‑in spring terminals
– Supply voltage: **24 V DC** (0.8‑1.2 Un)
– Safety outputs: **3 instant solid‑state safety outputs**, 1 instant signalling output; semiconductor output 2 A @24 V DC‑13
– Safety level: **SIL3 (IEC 61508)**, **PL e / Cat.4 (EN ISO 13849‑1)**
– Input: Support 1‑channel / 2‑channel sensor, cross‑circuit detection; Auto‑start / Monitored‑start selectable
– Mount: DIN rail snap‑on, any mounting position; **22.5 mm width**, IP20
– Feature: Emergency‑stop, safety‑door, light‑barrier monitoring; expandable via 3ZY12 connector
Siemens Safety Relay 3SK1122-2AB40
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$186.05
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Located in:Xi'an City China
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