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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 B1N1D3R Mini Circuit Breaker
Retail: $18.00
Price: $15.30

The Noark B1N1D3R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 3
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1D3R
Altech 1DU3L Miniature Circuit Breaker
Retail: $30.04
Price: $18.87

The Altech 1DU3L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 3
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 1DU3L
Altech 1DU3R Miniature Circuit Breaker
Retail: $16.17
Price: $10.16

The Altech 1DU3R 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: 3
  • Pole: 1
  • Trip Curve: D
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 1DU3R
Noark B1H1D3 Mini Circuit Breaker
Retail: $21.30
Price: $18.11

The Noark B1H1D3 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 3
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H1D3
Noark B1H1D3R Mini Circuit Breaker
Retail: $20.00
Price: $17.00

The Noark B1H1D3R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 3
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H1D3R
Noark B1N2B3 Mini Circuit Breaker
Retail: $35.90
Price: $30.52

The Noark B1N2B3 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 3
  • Poles: 2
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N2B3
Noark B1N2B3R Mini Circuit Breaker
Retail: $34.00
Price: $28.90

The Noark B1N2B3R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 3
  • Poles: 2
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N2B3R
Altech 2BU3R Miniature Circuit Breaker
Retail: $32.33
Price: $20.31

The Altech 2BU3R 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: 3
  • Poles: 2
  • Trip Curve: B
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 2BU3R
Noark B1H2B3 Mini Circuit Breaker
Retail: $41.60
Price: $35.36

The Noark B1H2B3 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 3
  • Poles: 2
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H2B3
Noark B1H2B3R Mini Circuit Breaker
Retail: $39.00
Price: $33.15

The Noark B1H2B3R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 3
  • Poles: 2
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H2B3R
Noark B1N2C3 Mini Circuit Breaker
Retail: $34.80
Price: $29.58

The Noark B1N2C3 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 3
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N2C3
Noark B1N2C3R Mini Circuit Breaker
Retail: $33.00
Price: $28.05

The Noark B1N2C3R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 3
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N2C3R