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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

Products 1345-1356 of 1377
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Altech 2DU8L Miniature Circuit Breaker
Retail: $60.06
Price: $37.73

The Altech 2DU8L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 8
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 2DU8L
Altech 2DU8R Miniature Circuit Breaker
Retail: $32.33
Price: $20.31

The Altech 2DU8R 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: 8
  • Poles: 2
  • Trip Curve: D
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 2DU8R
Noark B1H2D8 Mini Circuit Breaker
Retail: $41.60
Price: $35.36

The Noark B1H2D8 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 8
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H2D8
Noark B1H2D8R Mini Circuit Breaker
Retail: $39.00
Price: $33.15

The Noark B1H2D8R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 8
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H2D8R
Noark B1N3B8 Mini Circuit Breaker
Retail: $53.00
Price: $45.05

The Noark B1N3B8 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 8
  • Poles: 3
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3B8
Noark B1N3B8R Mini Circuit Breaker
Retail: $49.00
Price: $41.65

The Noark B1N3B8R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 8
  • Poles: 3
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3B8R
Altech 3BU8R Miniature Circuit Breaker
Retail: $48.51
Price: $30.48

The Altech 3BU8R 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: 8
  • Poles: 3
  • Trip Curve: B
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 3BU8R
Noark B1H3B8 Mini Circuit Breaker
Retail: $62.90
Price: $53.47

The Noark B1H3B8 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 8
  • Poles: 3
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H3B8
Noark B1H3B8R Mini Circuit Breaker
Retail: $58.00
Price: $49.30

The Noark B1H3B8R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 8
  • Poles: 3
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H3B8R
Noark B1N3C8 Mini Circuit Breaker
Retail: $51.50
Price: $43.78

The Noark B1N3C8 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 8
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3C8
Noark B1N3C8R Mini Circuit Breaker
Retail: $48.00
Price: $40.80

The Noark B1N3C8R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 8
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3C8R
Altech 3CU8R Miniature Circuit Breaker
Retail: $48.51
Price: $30.48

The Altech 3CU8R 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: 8
  • Poles: 3
  • Trip Curve: C
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 3CU8R