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NDB2T-63 UL489 Series Miniature Circuit Breaker
Updated：August 13,2020 12:16PM

Rated current from 1A 2A 3A 4A 6A 10A 16A 20A 25A 32A 40A 50A to 63A; Rated operational voltage (Ue): 120/277VAC (1P UL489) 240VAC(2P 3P UL489) 480Y/277VAC(2P 3P UL489) 60VDC(1P 2P UL489) 125VDC(2P UL489); Rated limit short-circuit breaking capacity Icu: 10.0 kA.
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NDB2T-63-C3-1P-UL489
NDB2T-63-2P-UL489-CM
NDB2T-63-2P-UL489

Description

Description of NDB2T-63 UL489 Series

The NDB2T-63 UL489 series of circuit breakers provide the short circuit and overload protection, control and isolation functions. Applicable to the low-voltage terminal distribution in the industry, civil buildings, energy, communication, infrastructure and other fields.

 

Features

Features of NDB2T-63 UL489 Series

  • Quick closing: To ensure the reliable operation of the impact load and extend the life of the circuit breaker.
  • The product structure can limit the short circuit, thus improving the short circuit breaking capacity.
  • The product structure can limit the short circuit,：thus improving the short circuit breaking capacity.
  • Support a variety of accessories: Easy to expand the functions.
  • Modular: Any combination.

 

Technology data

Technology data of NDB2T-63 UL489 Series

Rated Insulated Voltage 500V
Altitude ≤2000m
Ambient temperature -40℃～+70℃
Meet a criterion IEC 60947-1, UL1077
Instantaneous Tripping Characteristic Type B, Type C, Type D
Mechanical Life 20000 times
Electrical Life 20000 times

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