MOC-25a Modular Contactor 25A 4-Pole 3NO1NC, 230VAC Coil

MOC-25a Modular Contactor 25A 4-Pole 3NO1NC, 230VAC Coil

LS Electric MOC-25a 4-pole modular contactor with 3NO1NC main contacts (three normally open, one normally closed) and a 230 VAC coil. Rated 25 A AC-1/AC-7a and 9 A AC-3/AC-7b, it switches lighting, heating, ventilation and pump circuits from the switchboard. Mounts on 35 mm DIN rail in a 36 mm wide module to line up with MCBs and RCBOs. IP20 rated, with a mechanical life of 1,000,000 operations. Accepts MOC-AUX auxiliary contacts and 9 mm spacers.

Features and Specifications

Protection: IP20 (device). Operating range −5°C to +60°C.

Standards (& Conformities): IEC 61095, IEC 60947-4-1.

Electrical:

Rated operational voltage (Ue): 400 V
Rated insulation voltage (Ui): 500 V
Rated impulse withstand (Uimp): 4 kV
Thermal current (Ith): 25 A
AC-1/AC-7a: 25 A
AC-3/AC-7b: 9 A
Power AC-1/AC-7a: 5.4 kW single-phase 250 V, 16 kW three-phase 400 V
Power AC-3/AC-7b: 1.1 kW single-phase 250 V, 4 kW three-phase 400 V
Max. back-up fuse: 25 A

Coil:

Control voltage: 230 VAC 50/60 Hz
Inrush: 31.1 VA
Holding: 4.5 VA / 1.6 W

Dimensions and Mounting:

Width: 36 mm (2 modules)
Height × depth: 81 mm × 68 mm
Clip-on 35 mm DIN rail, ±30° from vertical

Termination:

Main: 1.5–6 mm² rigid, 1–4 mm² flexible; coil: 1.5–2.5 mm²
Tightening torque: 0.8 N·m (main and coil)

Life:

Electrical (AC-1): 300,000 operations
Mechanical: 1,000,000 operations
Max. 100 switching operations per day

Accessories: MOC-AUX side-mounted auxiliary contacts (2NO or 1NO1NC) and 9 mm MOC spacers. Fit a spacer between each contactor where the enclosure interior runs between 50°C and 60°C.

Manufacturer: LS ELECTRIC Co., Ltd.

Note: Please choose product carefully. Product selection is the responsibility of the Purchaser. Refer to relevant Standards, project requirements and technical specifications to ensure that the product meets requirements.

TROPAC's standard warranty covers all products. A 5-year warranty applies to eligible IP Enclosures products. Refer to Refunds & Returns for more information.