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UL489 Miniature Circuit Breaker from Entek Electric
Introducing a series of UL489 MCB model KBU

Entek Electric's UL489 Miniature Circuit Breakers (MCBs) models KBU - used to protect electrical circuits with a high level of reliability in domestic, commercial, and industrial applications. KBU Miniature Circuit Breakers (MCBs) protect low voltage applications in case of overload and short circuit faults.

UL489 MCB 3P.jpeg

Features:

  • Rated current: 6A, 10A, 15A, 20A, 25A, 30A, 40A, 50A, 60A

  • Different range of tripping characteristics: C, D Curve

  • In accordance with UL489 with ETL certificate

  • Operating voltage AC 480/ 277V, DC 60/ 125V

  • High breaking capacity throughout the range 10kA

ETL mark
CE mark

Technical Specifications

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UL489 Miniature Circuit Breaker (MCB)
UL489 Miniature Circuit Breaker (MCB)
UL489 Miniature Circuit Breaker (MCB)
UL1077 Miniature Circuit Breaker (MCB)

Miniature Circuit Breaker

UL489/UL1077

Specifications

Type

Conformed Standard

Number of Poles

Rated Operation Voltage (V)

Rated Frequency (Hz)

Rated Current (A)

Short Circuit Capacity (kA)

Tripping Characteristics

KBUH

KBUN

KBUD

KBU

UL489

UL1077

1        2        3

1        2        3

1        2        3

1             2 

480Y/277 Vac

240 Vac

120/240 Vac

60 Vdc

125 Vdc

50/ 60

6 - 30

6 - 60

6 - 63

40, 50, 60

10

10

10

5

B (3 - 5 In), C (5 - 10 In), D (10 - 20 In)

Dimension (mm)

UL489 MCB Dimension_edited_edited.png

Selection Table

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