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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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Altech 1BU3R Miniature Circuit Breaker
Retail: $16.17
Price: $10.16

The Altech 1BU3R 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: B
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 1BU3R
Noark B1H1B3 Mini Circuit Breaker
Retail: $21.30
Price: $18.11

The Noark B1H1B3 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 3
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H1B3
Noark B1H1B3R Mini Circuit Breaker
Retail: $21.00
Price: $17.85

The Noark B1H1B3R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 3
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H1B3R
Altech DC1CU3L Miniature Circuit Breaker
Retail: $32.33
Price: $20.31

The Altech DC1CU3L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 3
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# DC1CU3L
Noark B1N1C3 Mini Circuit Breaker
Retail: $16.60
Price: $14.11

The Noark B1N1C3 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 3
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1C3
Noark B1N1C3R Mini Circuit Breaker
Retail: $17.00
Price: $14.45

The Noark B1N1C3R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 3
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1C3R
Altech 1CU3L Miniature Circuit Breaker
Retail: $30.04
Price: $18.87

The Altech 1CU3L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 3
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 1CU3L
Altech 1CU3R Miniature Circuit Breaker
Retail: $16.17
Price: $10.16

The Altech 1CU3R 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: C
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 1CU3R
Noark B1H1C3 Mini Circuit Breaker
Retail: $21.30
Price: $18.11

The Noark B1H1C3 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 3
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H1C3
Noark B1H1C3R Mini Circuit Breaker
Retail: $20.00
Price: $17.00

The Noark B1H1C3R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 3
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H1C3R
Altech DC1DU3L Miniature Circuit Breaker
Retail: $32.33
Price: $20.31

The Altech DC1DU3L 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# DC1DU3L
Noark B1N1D3 Mini Circuit Breaker
Retail: $18.20
Price: $15.47

The Noark B1N1D3 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# B1N1D3