NB1G-63 Miniature Circuit Breaker

Product category:: Miniature circuit breaker (air switch)
Product code:: P-302
Model:: NB1G-63

Function & Use (Application Scenarios)

Terminal electrical appliances and miniature circuit breaker products are mainly suitable for AC 50Hz, rated working voltage 230V, rated current up to 63A circuits, and provide overload, short circuit, and overvoltage protection for the circuits. They can be used for infrequent switching of the circuits under normal conditions

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Product highlights

Overload protection is reliable
Short-circuit protection capability
Engineering Application Compatibility
Stable and reliable operation
Easy system integration

Model

NB1G-63

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Main Product Parameters

CategorySwitchgearSecondary categoryMiniature Circuit Breaker

Product details

Function and Usage

NB1G-63 miniature circuit breaker is suitable for AC 50Hz, rated working voltage 230V, and rated current up to 63A circuits. It provides overload, short-circuit, and overvoltage protection for the circuit and can be used for infrequent on/off operations of the circuit under normal conditions. Conforms to the standards: GB/T 10963.1, IEC 60898-1, and has obtained CCC, KC certification.

Detailed Parameters

Parameter Category	Parameter Item	Parameter Value
Electrical Parameters	Rated Voltage (Ue)	AC 230V
	Rated Current (In)	10A, 16A, 20A, 25A, 32A, 40A, 50A, 63A
	Rated Insulation Voltage (Ui)	500V
	Rated Impulse Withstand Voltage (Uimp)	4kV
	Poles	1P+N
Tripping Unit Characteristics	Instantaneous Tripping Type	C Type
	Rated Short-Circuit Breaking Capacity (Icn)	10000A
Overload Protection Characteristics	Overcurrent Protection Characteristics	See Table 2, Figure 1
	Overvoltage Tripping Characteristics	See Table 3
Mechanical Life	Mechanical Life	20000 times
Electrical Life	Electrical Life	4000 times
Temperature Correction Factor	Current Correction Factor at Different Temperatures	See Table 5
Connecting Wires	Connecting Wires	See Table 4
Tightening Torque	Tightening Torque	2.0N·m
Dimensions and Installation Size	Dimensions and Installation Size	See Figure 2, Figure 3
Pollution Level	Pollution Level	Level 2
Protection Level	Protection Level	IP20
Installation Category	Installation Category	Class II, III

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