The Theben SYN 161 h is a 24‑hour analog segment time switch for DIN‑rail mounting, featuring a quartz clock mechanism and manual override control. It enables daily scheduling of electrical loads with reliable 30‑minute interval switching and permanent ON/OFF options.

Key Features:

• Model: SYN 161 h – manual labeled and documented accordingly (also paired with SUL 181 h in instructions)

• Supply Voltage: 230 VAC, 50 Hz (also compatible with 45–60 Hz mains)

• Program Type: 24‑hour with 30‑minute switching intervals (48 segments per day)

• Contact Rating: 16 A resistive (250 VAC), 4 A inductive (cos φ = 0.6)

• Functionality: Quartz-driven clock that auto-starts after voltage application; full reserve after ~3 days operation

• Manual Controls: Override switch (ON/AUTO/OFF) and permanent ON/OFF lever available for immediate or sustained output state

• Standards: Compliant with EU Low‑Voltage Directive 73/23/EEC and EMC Directive 89/336/EEC

• Mounting: DIN‑rail (3 module width); connection via spring ClipFix screwless terminals (2× 0.5–2.5 mm²)

Theben – SYN 161 h – Analog 24‑Hour DIN‑Rail Time Switch

Theben – SYN 161 h – Analog 24‑Hour DIN‑Rail Time Switch