Technical Specifications Parameter Value / Description Product / Model CT‑MVS.23S multifunction electronic time relay Part Number 1SVR730021R2300 Control / Supply Voltage (Us) 380–440 V AC Time Range 0.05 seconds … 300 hours (selectable among 10 ranges) Timing Functions Supported ON‑delay (delay‑on‑make), OFF‑delay (delay‑on‑break), symmetrical ON/OFF delay, Impulse‑ON, Impulse‑OFF, Pulse generator, Star‑Delta change‑over (star‑triangle), Pulse former, Basic ON/OFF (instant) Output Contacts 2 × change‑over contacts (2 C/O, SPDT) Contact Ratings 250 V AC / 4 A (general/AC‑12); 230 V AC / 3 A (inductive / motor‑control AC‑15); 24 V DC / 4 A (DC‑12); 24 V DC / 2 A (DC‑13) Minimum Switching Capacity 12 V, 10 mA (i.e. supports small‑signal loads) Insulation & Withstand Ratings Input/Output rated for 500 V insulation voltage; output circuits rated up to 300 V. Impulse withstand / surge withstand per standard. Wiring / Terminals Screw‑terminal (double‑chamber cage type); wire capacity: flexible up to 2.5 mm² (with ferrule), rigid up to 4.0 mm²; tightening torque 0.6–0.8 N·m. Mounting / Dimensions DIN‑rail (TH35) mountable. Module width: 22.5 mm; Overall dimensions: ~22.5 mm (W) × 85.6 mm (H) × 103.7 mm (D). Operating / Environmental Conditions Ambient temperature: –25 °C … +60 °C; Storage: –40 °C … +85 °C. Pollution degree 3, Overvoltage category III. Housing protection: IP50; Terminals: IP20. Durability Electrical durability (AC‑12): ~100,000 cycles; Mechanical life up to ~30,000,000 operations. Other Features Double change‑over contacts for flexible wiring logic; ten selectable time‑ranges; front‑face selector and fine‑adjust potentiometer for time setting; optional sealable transparent cover to protect settings; control input is voltage‑related (non-floating trigger).