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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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Altech 2C20UL Miniature Circuit Breaker
Retail: $65.10
Price: $40.89

The Altech 2C20UL is suitable for branch circuit device protection.

  • Terminal Type: Dual Connection Terminal (Ring and Box)
  • Amperage: 20
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 2C20UL
Altech 2CU20L Miniature Circuit Breaker
Retail: $60.06
Price: $37.73

The Altech 2CU20L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 20
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 2CU20L
Altech 2CU20R Miniature Circuit Breaker
Retail: $32.33
Price: $20.31

The Altech 2CU20R 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: 20
  • Poles: 2
  • Trip Curve: C
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 2CU20R
Noark B1H2C20 Mini Circuit Breaker
Retail: $41.60
Price: $35.36

The Noark B1H2C20 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 20
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H2C20
Noark B1H2C20R Mini Circuit Breaker
Retail: $38.00
Price: $32.30

The Noark B1H2C20R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 20
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H2C20R
Noark B1N2D20 Mini Circuit Breaker
Retail: $34.80
Price: $29.58

The Noark B1N2D20 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 20
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N2D20
Noark B1N2D20R Mini Circuit Breaker
Retail: $33.00
Price: $28.05

The Noark B1N2D20R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 20
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N2D20R
Altech DC2DU20L Miniature Circuit Breaker
Retail: $64.69
Price: $40.64

The Altech DC2DU20L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 20
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# DC2DU20L
Altech 2DU20L Miniature Circuit Breaker
Retail: $60.06
Price: $37.73

The Altech 2DU20L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 20
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 2DU20L
Altech 2DU20R Miniature Circuit Breaker
Retail: $32.33
Price: $20.31

The Altech 2DU20R 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: 20
  • Poles: 2
  • Trip Curve: D
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 2DU20R
Noark B1H2D20 Mini Circuit Breaker
Retail: $41.60
Price: $35.36

The Noark B1H2D20 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 20
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H2D20
Noark B1H2D20R Mini Circuit Breaker
Retail: $39.00
Price: $33.15

The Noark B1H2D20R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 20
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H2D20R