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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 937-948 of 1377
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Noark B1N1C40R Mini Circuit Breaker
Retail: $17.00
Price: $14.45

The Noark B1N1C40R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 40
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1C40R
Altech 1CU40R Miniature Circuit Breaker
Retail: $17.32
Price: $10.88

The Altech 1CU40R 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: 40
  • Pole: 1
  • Trip Curve: C
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 1CU40R
Altech DC1DU40L Miniature Circuit Breaker
Retail: $34.66
Price: $21.77

The Altech DC1DU40L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 40
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# DC1DU40L
Altech 1DU40L Miniature Circuit Breaker
Retail: $32.33
Price: $20.31

The Altech 1DU40L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 40
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 1DU40L
Noark B1N1D40 Mini Circuit Breaker
Retail: $18.20
Price: $15.47

The Noark B1N1D40 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 40
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1D40
Noark B1N1D40R Mini Circuit Breaker
Retail: $18.00
Price: $15.30

The Noark B1N1D40R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 40
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1D40R
Altech 1DU40R Miniature Circuit Breaker
Retail: $17.32
Price: $10.88

The Altech 1DU40R 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: 40
  • Pole: 1
  • Trip Curve: D
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 1DU40R
Noark B1N2B40 Mini Circuit Breaker
Retail: $35.90
Price: $30.52

The Noark B1N2B40 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 40
  • Poles: 2
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N2B40
Noark B1N2B40R Mini Circuit Breaker
Retail: $34.00
Price: $28.90

The Noark B1N2B40R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 40
  • Poles: 2
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N2B40R
Altech 2BU40R Miniature Circuit Breaker
Retail: $34.66
Price: $21.77

The Altech 2BU40R 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: 40
  • Poles: 2
  • Trip Curve: B
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 2BU40R
Altech 2CU40L Miniature Circuit Breaker
Retail: $64.69
Price: $40.64

The Altech 2CU40L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 40
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 2CU40L
Noark B1N2C40 Mini Circuit Breaker
Retail: $34.80
Price: $29.58

The Noark B1N2C40 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 40
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N2C40