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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: $32.00
Price: $27.20

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: $31.09
Price: $19.53

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: $37.00
Price: $31.45

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: $31.00
Price: $26.35

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: $62.20
Price: $39.07

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: $57.75
Price: $36.28

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