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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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Altech 2CU05R Miniature Circuit Breaker
Retail: $23.08
Price: $14.50

The Altech 2CU05R 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: C
  • UL 1077 Listed, IEC/EN60898/60947-2
Part# 2CU05R
Availability: In Stock
Noark B1H2C0.5 Mini Circuit Breaker
Retail: $30.40
Price: $25.84

The Noark B1H2C0.5 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
Part# B1H2C0.5
Availability: In Stock
Noark B1H2C0.5R Mini Circuit Breaker
Retail: $32.10
Price: $27.29

The Noark B1H2C0.5R 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
Part# B1H2C0.5R
Availability: In Stock
Noark B1NQ2D0.5 Mini Circuit Breaker
Retail: $20.00
Price: $17.00

The Noark B1NQ2D0.5 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 0.5
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
Part# B1NQ2D0.5
Availability: Call for Details
Noark B1NQ2D0.5T Mini Circuit Breaker
Retail: $20.00
Price: $17.00

The Noark B1NQ2D0.5T is suitable for branch circuit device protection.

  • Terminal Type: Quick Connection
  • Amperage: 0.5
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
Part# B1NQ2D0.5T
Availability: Call for Details
Altech DC2DU05L Miniature Circuit Breaker
Retail: $50.00
Price: $31.41

The Altech DC2DU05L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 0.5
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
Part# DC2DU05L
Availability: In Stock
Noark B1N2D0.5 Mini Circuit Breaker
Retail: $26.00
Price: $22.10

The Noark B1N2D0.5 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 0.5
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
Part# B1N2D0.5
Availability: In Stock
Noark B1N2D0.5R Mini Circuit Breaker
Retail: $27.70
Price: $23.55

The Noark B1N2D0.5R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 0.5
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
Part# B1N2D0.5R
Availability: In Stock
Altech 2DU05L Miniature Circuit Breaker
Retail: $46.15
Price: $28.99

The Altech 2DU05L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 0.5
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
Part# 2DU05L
Availability: In Stock
Altech 2DU05R Miniature Circuit Breaker
Retail: $23.08
Price: $14.50

The Altech 2DU05R 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: D
  • UL 1077 Listed, IEC/EN60898/60947-2
Part# 2DU05R
Availability: In Stock
Noark B1H2D0.5 Mini Circuit Breaker
Retail: $30.60
Price: $26.01

The Noark B1H2D0.5 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 0.5
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
Part# B1H2D0.5
Availability: In Stock
Noark B1H2D0.5R Mini Circuit Breaker
Retail: $32.30
Price: $27.46

The Noark B1H2D0.5R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 0.5
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
Part# B1H2D0.5R
Availability: In Stock