NA8 Air Circuit Breaker

Wenzhou Changjiu Technology Co., Ltd. is a professional China NA8 Air Circuit Breaker manufacturer and supplier, known for its quality service. Adhering to the pursuit of perfect quality of products, so that our NA8 Air Circuit Breaker have been satisfied by many customers. In order to ensure the quality and customer needs, we have cooperated with domestic power groups with strong production strength. We will strictly screen each supplier and send videos to customers to watch.

• Frame size (A): 1600 , 2500, 4000, 7500

• Two kinds of breaking capacity: N, H (for 7500)

• Rated voltage Ue (VAC): 380/400/415, 690

• Number of poles: 3 or 4 poles

• Mounting mode: draw-out type or fixed type

• Mode of connection: horizontal connection, vertical connection, mixed connection

Operating Conditions and Environmental Suitability

• NA8 products can operate normally at the following temperature. Electric and mechanical characteristic applicable for ambient temperature -5℃~+40℃ (certified), and also peripheral ambient temperature -45℃~+70℃ (M type ), -20℃~+70℃ (H type ).

• For specific derating factor, see P23. Storage conditions: Applicable for -45℃~+70℃.

• NA8 may resist against the following electromagnetic interference: EMI-generated overvoltage; Overvoltage caused by environmental disturbance or distribution system; Radio wave (radio, interphone, radar, etc.) Static discharge of terminal users.

• NA8 circuit breakers have successfully accredited through the EMC test specified in the following standards: IEC/ EN 60947-2 The above tests may ensure: no false tripping fault, tripping time not interrupted.

• Protection grade Front IP20 , other sides IP00.