NOARK DC Isolator Switch Ex9IP 4P 32A (101763)

NOARK DC Isolator Switch Ex9IP 4P 32A (101763) is a modular direct current switch designed for photovoltaic applications and DC installations, providing safe and reliable circuit sectioning for voltages up to 1000 V DC. The device is non-polarized, allowing operation in systems where the direction of current may change.

The manufacturer NOARK is an international company specializing in distribution and protection equipment. NOARK products are designed according to IEC/EN standards and intended for industrial applications and PV installations; the presented Ex9IP model meets the requirements of IEC/EN 60947-3 standard.

Electrical Parameters

• Rated operational voltage (Ue): 1000 V DC (4P version)
• Rated current (Ie): 32 A
• Number of poles: 4
• Usage category: DC-22B
• Insulation voltage (Ui): 1000 V
• Short-term impulse withstand voltage (Uimp): 6 kV
• Rated current withstand for short-time impulse (Icw, 1 s): 12 × Ie = 384 A
• Short-circuit current (Icm): 20 × Ie = 640 A
• Electrical life: 2,000 operating cycles
• Mechanical life: 20,000 operating cycles

Mechanical Parameters

• Module width (per pole): 18 mm (1 pole)
• Width for 4P: 72 mm (18 mm × 4 poles)
• Height: 83 mm (89 mm with rail mounting)
• Module frame size: 45 mm
• Mounting: quick mounting on DIN rail 35 mm
• Protection degree: IP40 (enclosure), terminals IP20
• Terminal types: lifted and open
• Wire cross-section (terminal capacity): 10–35 mm²
• Maximum tightening torque of terminals: 2–3.5 Nm
• Comb thickness (bar thickness): 0.8–2 mm
• Operating temperature: -30 to +70 °C
• Altitude: ≤ 2000 m
• Relative humidity: ≤ 95 %
• Weight: 0.12 kg per pole (0.12 kg/module/pole)