TeSys LK4 non fusible disconnect switches are compact or standard sized switches that break and make power circuits, on and off loads, and provide safety isolation. This 3 pole non fusible disconnect switch has a 400 ampere rating. It can be used in applications up to 600 VAC or VDC. This nonfusible disconnect switch has a 125 HP rating at 240 VAC, a 250 HP rating at 480 VAC, a 350 HP rating at 600 VAC, a 20 HP rating at 125 VDC and a 50 HP rating at 240 VDC. This disconnect switch is operated with a rotary handle. This 400A disconnect switch has a 200kA short circuit current rating (SCCR) when used with Type J fuses. Each terminal has a lug that will accept one 4 AWG to 600 kcmil copper or aluminum wire. The disconnect switch is 10.20 inches tall, 9.05 inches wide and 4.92 inches deep. TeSys LK his motor circuit protector is UL Listed and CSA certified. Specifications Main Range TeSys Product name TeSys LK product or component type Disconnect Switch disconnector device type Non-fusible disconnect switch Suitability for isolation Yes Complementary Poles description 3P Network type AC,DC Network frequency 50/60 Hz [Ie] rated operational current 200 A400 V AC AC-22A IEC 400 A400 V AC AC-23A IEC 400 A690 V AC AC-22A IEC 400 A690 V AC AC-23A IEC 400 A CSA 400 A UL [Ue] rated operational voltage 600 V AC 50/60 Hz [Ui] rated insulation voltage 1000 V Control type Rotary handle Type of operating handle External frontal External right side Mounting support Plate [Uimp] rated impulse withstand voltage 12 kV IEC Rated power in W 220 kW 400 V 280 kW 500 V 185 kW 690 V Rated power in hp 125 hp 240 V 312 A AC 250 hp 480 V 302 A AC 350 hp 600 V 336 A AC 20 hp 125 V 148 A DC 50 hp 250 V 173 A DC [Icw] rated short-time withstand current 48 kA Mechanical durability 6000 cycles Electrical durability 1000 cycles Connections - terminals Lugs-ring terminals 1 0.02 in² (16 mm²) Height 10.24 in (260 mm) Width 9.06 in (230 mm) Depth 5.04 in (128 mm) Environment Standards UL98 IEC 60947-3 CSA C22.2 No 4 Product certifications CE CSA UL