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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

Products 1477-1488 of 1621
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Altech 1DU6R Miniature Circuit Breaker
Retail: $16.17
Price: $10.16

The Altech 1DU6R 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: 6
  • Pole: 1
  • Trip Curve: D
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 1DU6R
Noark B1H1D6 Mini Circuit Breaker
Retail: $19.50
Price: $16.58

The Noark B1H1D6 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 6
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H1D6
Noark B1H1D6R Mini Circuit Breaker
Retail: $20.00
Price: $17.00

The Noark B1H1D6R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 6
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H1D6R
Noark B1NQ2B6 Mini Circuit Breaker
Retail: $31.50
Price: $26.78

The Noark B1NQ2B6 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 6
  • Poles: 2
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1NQ2B6
Noark B1NQ2B6T Mini Circuit Breaker
Retail: $31.50
Price: $26.78

The Noark B1NQ2B6T is suitable for branch circuit device protection.

  • Terminal Type: Quick Connection
  • Amperage: 6
  • Poles: 2
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1NQ2B6T
Noark B1N2B6 Mini Circuit Breaker
Retail: $34.50
Price: $29.33

The Noark B1N2B6 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 6
  • Poles: 2
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N2B6
Noark B1N2B6R Mini Circuit Breaker
Retail: $34.00
Price: $28.90

The Noark B1N2B6R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 6
  • Poles: 2
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N2B6R
Altech 2BU6R Miniature Circuit Breaker
Retail: $32.33
Price: $20.31

The Altech 2BU6R 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: 6
  • Poles: 2
  • Trip Curve: B
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 2BU6R
Noark B1H2B6 Mini Circuit Breaker
Retail: $40.00
Price: $34.00

The Noark B1H2B6 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 6
  • Poles: 2
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H2B6
Noark B1H2B6R Mini Circuit Breaker
Retail: $39.00
Price: $33.15

The Noark B1H2B6R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 6
  • Poles: 2
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H2B6R
Noark B1NQ2C6 Mini Circuit Breaker
Retail: $32.50
Price: $27.63

The Noark B1NQ2C6 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 6
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1NQ2C6
Noark B1NQ2C6T Mini Circuit Breaker
Retail: $32.50
Price: $27.63

The Noark B1NQ2C6T is suitable for branch circuit device protection.

  • Terminal Type: Quick Connection
  • Amperage: 6
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1NQ2C6T