Technical Specifications Specification / Item Value / Description Product / Model CM‑ESS.MS single‑phase voltage monitoring relay Part Number 1SVR730830R0500 Function Over‑ or under‑voltage monitoring Rated Control / Supply Voltage (Us) 24 … 240 V AC or DC Measuring Range (Voltage) 3–30 V, 6–60 V, 30–300 V, 60–600 V AC/DC (selectable) Output Contacts 2 × change‑over (SPDT) Contact Ratings AC‑12: 250 V / 4 A; AC‑15: 230 V / 3 A; DC‑12: 24 V / 4 A; DC‑13: 24 V / 2 A Minimum Switching Capacity 24 V, 10 mA Trip / Delay Settings Start-up delay: 0 s (instant) Trip delay adjustable: 0.1 … 30 s or instantaneous Hysteresis / Threshold Adjustment Adjustable: 3 … 30% of threshold Terminal / Connection Type Screw terminals (double‑chamber cage‑connection) Mounting DIN‑rail (TH35) Insulation / Protection Measuring/output insulation: up to 600 V; Output: 250 V; Housing IP50; Terminals IP20; Pollution degree 3; Overvoltage category III Operating Temperature –20 °C … +60 °C Storage Temperature –40 °C … +85 °C Dimensions (W × H × D) 22.5 mm × 85.6 mm × 103.7 mm Net Weight ~0.154 kg Mechanical / Electrical Life Electrical: 100,000 cycles; Mechanical: 30,000,000 operations Wire Connection Capacity Flexible 0.5–2.5 mm²; Rigid 0.5–4 mm²; Torque 0.6–0.8 N·m Output Circuit Maximum Voltage 300 V AC