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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 B1N2D30R Mini Circuit Breaker
Retail: $33.00
Price: $28.05

The Noark B1N2D30R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 30
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N2D30R
Altech DC2DU30L Miniature Circuit Breaker
Retail: $64.69
Price: $40.64

The Altech DC2DU30L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 30
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# DC2DU30L
Altech 2DU30L Miniature Circuit Breaker
Retail: $60.06
Price: $37.73

The Altech 2DU30L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 30
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 2DU30L
Altech 2DU30R Miniature Circuit Breaker
Retail: $32.33
Price: $20.31

The Altech 2DU30R 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: 30
  • Poles: 2
  • Trip Curve: D
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 2DU30R
Noark B1H2D30 Mini Circuit Breaker
Retail: $41.60
Price: $35.36

The Noark B1H2D30 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 30
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H2D30
Noark B1H2D30R Mini Circuit Breaker
Retail: $39.00
Price: $33.15

The Noark B1H2D30R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 30
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H2D30R
Noark B1N3B30 Mini Circuit Breaker
Retail: $53.00
Price: $45.05

The Noark B1N3B30 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 30
  • Poles: 3
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3B30
Noark B1N3B30R Mini Circuit Breaker
Retail: $49.00
Price: $41.65

The Noark B1N3B30R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 30
  • Poles: 3
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3B30R
Altech 3BU30R Miniature Circuit Breaker
Retail: $48.51
Price: $30.48

The Altech 3BU30R 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: 30
  • Poles: 3
  • Trip Curve: B
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 3BU30R
Noark B1H3B30 Mini Circuit Breaker
Retail: $62.90
Price: $53.47

The Noark B1H3B30 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 30
  • Poles: 3
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H3B30
Noark B1N3C30 Mini Circuit Breaker
Retail: $51.50
Price: $43.78

The Noark B1N3C30 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 30
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3C30
Noark B1N3C30R Mini Circuit Breaker
Retail: $48.00
Price: $40.80

The Noark B1N3C30R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 30
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3C30R