Key Parameters Parameter Specification Model / Part Number NF44E‑13 Product Type Contactor relay / control relay Number of Poles 8 poles Contact Configuration 4 × Normally Open (4 NO) + 4 × Normally Closed (4 NC) Coil / Control Voltage 100 – 250 V AC or DC Rated Operational Voltage (Auxiliary) Up to ~690 V AC for auxiliary circuits Rated Operational Current (AC‑15) 6 A @ 24 – 127 VAC; 4 A @ 220 – 240 VAC; 3 A @ 400 – 440 VAC; 2 A @ 500 VAC; 2 A @ 690 VAC Rated Operational Current (DC‑13) 6 A @ 24 V DC; 2.8 A @ 48 V DC; 1 A @ 72 V DC; 0.55 A @ ~110‑125 V DC; 0.27 A @ ~220‑250 V DC; Lower current at higher voltages Thermal Current Rating (Ith) ~16 A (free‑air) Rated Insulation Voltage (Ui) ~690 V AC Rated Impulse Withstand Voltage (Uimp) ~6 kV Maximum Switching Frequency ~1200 cycles/hour (AC‑15), ~900 cycles/hour (DC‑13) Coil Protection Built‑in surge protection Terminal Type Screw terminals Mounting DIN‑rail or screw mounting Degree of Protection IP20 (standard relay enclosure) Operating Temperature Range –40 °C to +70 °C Typical Dimensions ~110.5 mm × 45 mm × 86 mm (L × W × H) Application Switching auxiliary and control circuits in industrial control panels