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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 B1H1B1R Mini Circuit Breaker
Retail: $21.00
Price: $17.85

The Noark B1H1B1R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 1
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H1B1R
Altech DC1CU1L Miniature Circuit Breaker
Retail: $32.33
Price: $20.31

The Altech DC1CU1L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 1
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# DC1CU1L
Noark B1N1C1 Mini Circuit Breaker
Retail: $16.60
Price: $14.11

The Noark B1N1C1 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 1
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1C1
Noark B1N1C1R Mini Circuit Breaker
Retail: $17.00
Price: $14.45

The Noark B1N1C1R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 1
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1C1R
Altech 1CU1L Miniature Circuit Breaker
Retail: $30.04
Price: $18.87

The Altech 1CU1L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 1
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 1CU1L
Altech 1CU1R Miniature Circuit Breaker
Retail: $16.17
Price: $10.16

The Altech 1CU1R 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: 1
  • Pole: 1
  • Trip Curve: C
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 1CU1R
Altech 1C1UR Miniature Circuit Breaker
Retail: $17.33
Price: $10.88

The Altech 1C1UR is suitable for branch circuit device protection.

  • Terminal Type: Dual Connection (Box Clamp or Ring Tongue)
  • Amperage: 1
  • Poles: 1
  • Trip Curve: C
  • UL 1077 Listed, CE
MFG Part# 1C1UR
Noark B1H1C1 Mini Circuit Breaker
Retail: $21.30
Price: $18.11

The Noark B1H1C1 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 1
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H1C1
Noark B1H1C1R Mini Circuit Breaker
Retail: $20.00
Price: $17.00

The Noark B1H1C1R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 1
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H1C1R
Altech DC1DU1L Miniature Circuit Breaker
Retail: $32.33
Price: $20.31

The Altech DC1DU1L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 1
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# DC1DU1L
Noark B1N1D1 Mini Circuit Breaker
Retail: $18.20
Price: $15.47

The Noark B1N1D1 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 1
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1D1
Noark B1N1D1R Mini Circuit Breaker
Retail: $18.00
Price: $15.30

The Noark B1N1D1R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 1
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1D1R