Schneider Electric 31105 Compact INS250-160 switch disconnector 160A 4P

The Schneider Electric 31105 is a Compact INS250-160 4-pole switch disconnector rated at 160 A, designed for load isolation and motor switching duties on both AC and DC circuits in industrial and commercial electrical installations.

• Rated current [ie]: 160 A — AC-22A and AC-23A up to 690 V AC 50/60 Hz; DC-22A and DC-23A at 125 V DC (2 poles in series) / 250 V DC (4 poles in series)
• Rated operational voltage [ue]: 690 V AC 50/60 Hz; 250 V DC
• Rated insulation voltage [ui]: 800 V AC 50/60 Hz
• Thermal current [ith]: 160 A at 60 °C
• Making capacity [icm]: 30 kA stand-alone / 330 kA with protective circuit breaker, at 690 V AC 50/60 Hz
• Short-time withstand current [icw]: 1.8 kA / 30 s; 2.2 kA / 20 s; 4.9 kA / 3 s; 8.5 kA / 1 s (per IEC 60947-3)
• Maximum switched power (AC-23): 45 kW at 220/240 V; 75 kW at 380/415 V; 90 kW at 440–690 V; 110 kW at 500/525 V
• Isolation and indication: Suitable for isolation — Yes; contact position indicator — Yes; visible breaking — No
• Control and mounting: Direct front rotary handle (black); fixed mounting; DIN rail or panel
• Endurance: Mechanical 15,000 cycles; electrical 1,500 cycles (AC-22A/AC-23A at 440–690 V AC; DC-22A/DC-23A at 250 V DC, 4 poles in series)
• Dimensions and weight: H 136 mm × W 140 mm × D 96 mm; 2.2 kg
• Protection and environment: IP40 (IEC 60529); IK07 (EN 50102); operating −25 to +70 °C; storage −50 to +85 °C; pollution degree 3
• Standards: IEC 60947-3, IEC 60947-1
• Certifications: KEMA-KEUR, CCC