Miniature Circuit Breakers (MCB's) NB1 6KA Series

Miniature Circuit Breakers (MCB's) NB1 6KA Series
Brand: CHINT
Product Code: NB1-63B1P
Availability: 10000
Price: £1.84

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NB Series - Miniature Circuit Breaker, acts like a fuse, breaking circuit in event of overload, or power surge, and can be manually re-set.

These are high-quality Miniature Circuit Breakers to fit your supplementary protection needs. The NB1 S eries of MCBs are UL1077 recognized and can be trusted to provide overcurrent protection for your automation control devices and components.

The NB1 MCB features include:
• UL 1077, CSA, VDE, CE
• Current ratings up to 63A
• Maximum 480VAC (multi-pole), 277VAC (single-pole)
• DC Voltage ratings for B-curve models
• B trip curves models available for general use and DC applications
• D trip curve models available for high starting current applications such as motor starting
• 5000 A Interrupt Rating
• DIN rail mount chassis
• Captive terminal screws won’t fall out


MCB, 6KA,Single Pole, Domestic B curve, 1A, 2A, 3A, 4A, 6A, 10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A

Product Codes

B Curve   6KA - 1 Pole: NB1-63B1P
B Curve 10KA - 1 Pole: NB1-63BH1P
C Curve   6KA - 1 Pole: NB1-63C1P
C Curve 10KA - 1 Pole: NB1-63CH1P

B Curve   6KA - 2 Pole: NB1-63B2P
B Curve 10KA - 2 Pole: NB1-63BH2P
C Curve   6KA - 2 Pole: NB1-63C2P
C Curve 10KA - 2 Pole: NB1-63CH2P

B Curve   6KA - 3 Pole: NB1-63B3P
B Curve 10KA - 3 Pole: NB1-63BH3P
C Curve   6KA - 3 Pole: NB1-63C3P
C Curve 10KA - 3 Pole: NB1-63CH3P

Add Current Rating to the end of part number, e.g. B Curve, 6KA, 1 Pole, 1A: NB1-63B1P01

For 10KA series, please use this link to separate page

See Datasheet [1.7MB]

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