The design of USX series molded case circuit breakers reflects the latest current limiting principle and manufacturing technology. it has the characteristics of compact structure, full modularization, high breaking and zero flying arc. its rated insulation voltage is 750v, suitable for AC 50Hz, rated working voltage 690v, rated working current to 1250A circuit for infrequent conversion and motor infrequent start. The circuit breaker has overload, short circuit and undervoltage protection devices, which can protect the line and power equipment from damage. The circuit breaker complies with ICE60947-1 and 1CE60947-2 implementation standards.
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Technical Parameters

 

Modle A A1 A2 A3 A4 A5 A6 A7 A8 A9 B B1 B2 C1 C2 C3 E1
USX100160/250 80.5 161 94 145 178.5 155.5 236 169 220 253.5 52.5 105 140 81 86 126 62.5
USX400/630 127.5 255 142.5 200 237 227.5 355 242.5 300 337 70 140 185 95.5 110 168 100
Modle E2 E3 E4 E5 E6 E7 E8 F1 F2 F3 G1 G2 G3 G4 G5 ∅T U
USX100/160/250 125 70 140 137.5 200 145 215 35 17.5 70 95 75 13.5 23 17.5 24 ≤32
USX400/630 200 113.5 227 200 300 213.5 327 45 22.5 90 - - - - - 32 ≤35

 

Product Description
Standard Certifications IEC60947 GB 14048
Item No. USX100
Number of poles 1 3 4
Electrical characteristics as per IEC60947-2 and EN60947-2
Rated current(A) In 16-20-25-32-40-50-63-80-100
Rated Operating Voltage(V) Ue 400v
Rated Insulated Voltage (Ui) Ui 800
Rated impulse withstand voltage(kV) Uimp 8kV
Types of Circuit Breakers   F N H
Ultimate breaking capacity
(kA rms Icu)
220/240 85 90 100
380/415 36 50 70
440 35 50 65
500 25 36 50
525 22 35 35
660/690 8 10 10
Rated service breaking capacity
(kA rms Icu)                                        100%
100%
Utilization category   A
Mechanical Parameters Mechanical 8500
Electrical 1500
Protection
Overload protection Bimetal
Instantaneous protection Magnetic
Auxiliaries
Indication contacts AX
AL
AXAL
Voltage releases SHT
UVR
Control Manual with toggle
with direct or extended rotary handle
Dimensions(mm)   160X35X120 160X105X120 160X140X120

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