Technical Specifications Specification Value / Description Product Type / Model CM‑PVS.31S three‑phase monitoring relay Part Number 1SVR730794R1300 Monitored / Supply Voltage Range (L–L) 160 … 300 V AC (3‑phase) Supply / Control Voltage (Us) 160 … 300 V AC, 50/60 Hz (same as monitored supply) Functions - Phase failure (phase loss) detection - Phase sequence (phase rotation) monitoring - Over‑ and under‑voltage monitoring - Adjustable thresholds Output Contacts 2 × change‑over (2 c/o / DPDT / 2‑CO) contacts (SPDT pairs) Output / Contact Rating 250 V AC / 4 A (general AC‑12 load) 230 V AC / 3 A (inductive/motor‑control AC‑15 load) 24 V DC / 4 A (DC‑12), 24 V DC / 2 A (DC‑13) Time Functions 200 ms start‑up delay (after power‑up) Trip delay: either instantaneous (0 s) or adjustable 0.1 … 30 s Selectable ON‑delay or OFF‑delay mode Measuring Frequency 50 / 60 Hz Terminal Type / Wiring Screw‑type terminals (double‑chamber cage terminals) Wiring capacity: flexible 1× 0.5–2.5 mm², rigid 1× 0.5–4 mm² (or equivalent) Mounting DIN‑rail (TH35) or suitable panel/rail mounting Dimensions (W × H × D) 22.5 mm × 85.6 mm × 103.7 mm Weight (net) ~ 0.141 kg Operating Ambient Temperature –25 °C … +60 °C Storage Temperature Range –40 °C … +85 °C Insulation & Impulse Withstand Voltage Input circuit / output circuit: 600 V AC; Output circuits: 300 V AC; Impulse withstand (Uimp) — input: 6 kV, output: 4 kV Protection / Housing Housing: IP50; Terminals: IP20 Standards / Approvals Compliant with IEC/EN 60255‑27 (voltage/phase monitoring relays), CAN/CSA C22.2 No. 14, UL/CSA B300 contact rating; RoHS compliant Trip Delay & Configuration Options Adjustable thresholds for over-/under-voltage; adjustable trip delay 0.1–30 s; ON or OFF delay selectable; optionally a sealable transparent cover to prevent unauthorized adjustments