Construction & Features
SKB-E series moulded case circuit breaker is one of breakers which adopts international advanced design, manufacture technology to develop.
The rated insulating voltage is 750V, suitable for AC 50/60Hz, rated working voltage upto 690V, rated working current is 12.5A-1600A of circuit and use in distributing electric energy conforming to IEC 60947-2 standard, and non-frequent breaking in the normal conditions, protecting the current & equipment from overload & under voltage.
Circuit breaker with rated frame current 400A or below, can be used in mousecage motor's & non-frequent starting, breaking during working, protecting motor from overload, short circuit & under voltage.
Specifications
Type | Rated | Poles | Rated Insulating Voltage(V) | Rated Operating Voltage(V) | Ultimate | Services short | Operating | Catagory | |
ON | OFF | ||||||||
SKB-N-100D | 12.5, 16, 20, 25, 32, 40, 50, 63, 80, 100 | 3, 4 | 750 | 690 And below | 18 | 18 | 1500 | 8500 | A |
SKB-N-100N | 25 | 25 | |||||||
SKB-N-100H | 70 | 70 | |||||||
SKB-N-100L | 150 | 150 | |||||||
SKB-N-160D | 16, 20, 25, 32, 40, 50, 63, 80, 100, 125, 160 | 25 | 25 | 1500 | 7000 | ||||
SKB-N-160N | 36 | 36 | |||||||
SKB-N-160H | 70 | 70 | |||||||
SKB-N-160L | 150 | 150 | |||||||
SKB-N-250D | 160, 180, 200, 225, 250 | 25 | 25 | 1000 | 7000 | ||||
SKB-N-250N | 36 | 36 | |||||||
SKB-N-250H | 70 | 70 | |||||||
SKB-N-250L | 150 | 150 | |||||||
SKB-N-400D | 200, 225, 250, 300, 315, 400 | 35 | 35 | 1000 | 4000 | ||||
SKB-N-400N | 45 | 45 | |||||||
SKB-N-400H | 70 | 70 | |||||||
SKB-N-400L | 150 | 150 | |||||||
SKB-N-630D | 315, 350, 400, 500, 600, 630 | 35 | 35 | 1000 | 4000 | ||||
SKB-N-630N | 45 | 45 | |||||||
SKB-N-630H | 70 | 70 | |||||||
SKB-N-630L | 150 | 150 | |||||||
SKB-N-1250N | 800, 1000, 1250, 1600 | 3 | 50 | 37.5 | 1000 | 4000 | |||
SKB-N-1600N | 50 | 37.5 | |||||||
