Technical Parameters Control & Contact Configuration Product Type: Contactor Relay (Auxiliary Contact Switching Unit) Number of Poles (Contacts): 4 3 Normally Open (3 NO) 1 Normally Closed (1 NC) Rated Control (Coil) Voltage: 220 V AC, 50/60 Hz Coil Type: AC magnetic coil actuation Electrical Ratings Rated Operational Voltage (Main & Auxiliary): up to 690 V AC Conventional Free‑Air Thermal Current (Ith): ~10 A (typical auxiliary circuit rating) Rated Operational Current (AC‑15): ~4 A @ 220 / 240 V AC ~3 A @ 400 / 440 V AC ~2 A @ 500 / 690 V AC Rated Operational Current (DC‑13): ~6 A @ 24 V DC ~0.55 A @ 110 V DC ~0.27 A @ 220 / 250 V DC Rated Insulation Voltage (Ui): ~690 V AC Rated Impulse Withstand Voltage (Uimp): ~6 kV Short‑Time Withstand Current (Icw): ~140 A for 0.1 s ~100 A for 1 s Switching Frequency: AC‑15: ~1200 operations/hour DC‑13: ~900 operations/hour Mechanical & Installation Terminal Type: Screw or spring terminals depending on configuration Connection Capacity: standard industrial wire sizes compatible with auxiliary control circuits Mounting: DIN‑rail or panel mount Mechanical Endurance: Designed for high cycle life in control applications Environmental & Physical Operating Ambient Temperature: approx. −40 °C to +70 °C Degree of Protection: typically IP20 (installed inside panel) Dimensions: Compact relay form factor Approximate Weight: ~0.20–0.25 kg