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Product Category

Miniature Circuit Breakers

Shop our wide selection of UL 489 miniature circuit breakers and UL 1077 supplementary protectors in both AC and DC voltages. They are available in one-, two- and three-pole versions with an amperage range up to 63A and in B, C or D trip curve options to meet your applications needs. Difference between UL 489 vs. UL 1077

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Noark B1NQ2B0.5T Mini Circuit Breaker
Retail: $24.00
Price: $20.40

The Noark B1NQ2B0.5T is suitable for branch circuit device protection.

  • Terminal Type: Quick Connection
  • Amperage: 0.5
  • Poles: 2
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1NQ2B0.5T
Noark B1N2B0.5 Mini Circuit Breaker
Retail: $34.50
Price: $29.33

The Noark B1N2B0.5 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 0.5
  • Poles: 2
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N2B0.5
Noark B1N2B0.5R Mini Circuit Breaker
Retail: $34.00
Price: $28.90

The Noark B1N2B0.5R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 0.5
  • Poles: 2
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N2B0.5R
Altech 2BU05R Miniature Circuit Breaker
Retail: $32.33
Price: $20.31

The Altech 2BU05R is suitable for applications that require supplemental protection for control circuits and on the load side of branch circuit protectors.

  • Terminal Type: Box Lugs
  • Amperage: 0.5
  • Poles: 2
  • Trip Curve: B
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 2BU05R
Noark B1H2B0.5 Mini Circuit Breaker
Retail: $40.00
Price: $34.00

The Noark B1H2B0.5 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 0.5
  • Poles: 2
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H2B0.5
Noark B1H2B0.5R Mini Circuit Breaker
Retail: $39.00
Price: $33.15

The Noark B1H2B0.5R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 0.5
  • Poles: 2
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H2B0.5R
Noark B1NQ2C0.5 Mini Circuit Breaker
Retail: $22.00
Price: $18.70

The Noark B1NQ2C0.5 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 0.5
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1NQ2C0.5
Noark B1NQ2C0.5T Mini Circuit Breaker
Retail: $22.00
Price: $18.70

The Noark B1NQ2C0.5T is suitable for branch circuit device protection.

  • Terminal Type: Quick Connection
  • Amperage: 0.5
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1NQ2C0.5T
Noark B1N2C0.5 Mini Circuit Breaker
Retail: $33.50
Price: $28.48

The Noark B1N2C0.5 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 0.5
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N2C0.5
Noark B1N2C0.5R Mini Circuit Breaker
Retail: $33.00
Price: $28.05

The Noark B1N2C0.5R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 0.5
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N2C0.5R
Altech DC2CU05L Miniature Circuit Breaker
Retail: $64.69
Price: $40.64

The Altech DC2CU05L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 0.5
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# DC2CU05L
Altech 2CU05L Miniature Circuit Breaker
Retail: $60.06
Price: $37.73

The Altech 2CU05L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 0.5
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 2CU05L