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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

Products 997-1008 of 1365
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Noark B1N2C4R Mini Circuit Breaker
Retail: $33.00
Price: $28.05

The Noark B1N2C4R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 4
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N2C4R
Altech DC2CU4L Miniature Circuit Breaker
Retail: $64.69
Price: $40.64

The Altech DC2CU4L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 4
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# DC2CU4L
Altech 2CU4L Miniature Circuit Breaker
Retail: $60.06
Price: $37.73

The Altech 2CU4L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 4
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 2CU4L
Altech 2CU4R Miniature Circuit Breaker
Retail: $32.33
Price: $20.31

The Altech 2CU4R 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: 4
  • Poles: 2
  • Trip Curve: C
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 2CU4R
Noark B1H2C4 Mini Circuit Breaker
Retail: $41.60
Price: $35.36

The Noark B1H2C4 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 4
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H2C4
Noark B1H2C4R Mini Circuit Breaker
Retail: $38.00
Price: $32.30

The Noark B1H2C4R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 4
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H2C4R
Noark B1N2D4 Mini Circuit Breaker
Retail: $34.80
Price: $29.58

The Noark B1N2D4 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 4
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N2D4
Noark B1N2D4R Mini Circuit Breaker
Retail: $33.00
Price: $28.05

The Noark B1N2D4R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 4
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N2D4R
Altech DC2DU4L Miniature Circuit Breaker
Retail: $64.69
Price: $40.64

The Altech DC2DU4L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 4
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# DC2DU4L
Altech 2DU4L Miniature Circuit Breaker
Retail: $60.06
Price: $37.73

The Altech 2DU4L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 4
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 2DU4L
Altech 2DU4R Miniature Circuit Breaker
Retail: $32.33
Price: $20.31

The Altech 2DU4R 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: 4
  • Poles: 2
  • Trip Curve: D
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 2DU4R
Noark B1H2D4 Mini Circuit Breaker
Retail: $41.60
Price: $35.36

The Noark B1H2D4 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 4
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H2D4