The series load isolating switch HISI xxx are produced for mounting in main electrical boards for disconnection of the circuits,switching on of generators because of the fact they are not affected by the frquency variations.High mechanical strength and resistance to circulation,Simple and secure management.There is a possibility for the products to be produced with an window for visible disconnection. Functions ■ Switching on and off of electrical circuits under load ■ Disconnection of electrical circuits ■ Used as main switch ■ Resistant to high voltages,to short circuits in the protected circuit Technical Features * Rated voltage:not higher than 660V;50/60Hz * Double connector:screw connection * Connection:soild or fiexible conductors * Insulation voltage:≥1000V * Resistance to impulse voltage:8000V * Electrical endurance(number of cycles):≥5000 * Mechanical endurance(number of cycles):≥10 000 * Protection ratio:IP＞20 * Mounting method:to a surface by means of bolts * Plastic resistant to UV rays ,plastic resistant to UV rays * Ambient temperature:-20℃~40℃ * Note:HISI-xxx in -load circuit-breaker for mounting in the interior of a board * HISI-xxx out-load circuit-briaker with an extended lever for mounting on the front panel of the board. Type Dimensions A B C D E J J1 K R S T Y HISI-125 140 135 125 27 73 120 120 65 20 25 3.5 25 HISI-160 140 135 125 27 73 120 120 65 20 25 3.5 25 HISI-250 180 170 138 35 86 160 160 90 25 30 3.5 25 HISI-400 230 240 165 50 110 210 210 140 32 40 5 37 HISI-630 230 260 165 50 110 210 210 140 40 50 6 37 HISI-800 378 312 240 50 140 353 353 175 60 56 8 48 Type Rated current In(A) Maximum breaking capacityIcu(A) Tightening moment (N m) Box/carton (pcs) HISI-125in 125 1250 6.5 1/12 HISI-125out 125 1250 6.5 1/12 HISI-160in 160 1250 6.5 1/12 HISI-160out 160 1250 6.5 1/12 HISI-250in 250 2000 10 1/6 HISI-250out 250 2000 10 1/6 HISI-400in 400 3200 14.5 1/2 HISI-630in 630 4000 14.5 1/2 HISI-800in 800 1000 27 1/2