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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 1333-1344 of 1359
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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
Noark B1H3C8 Mini Circuit Breaker
Retail: $62.90
Price: $53.47

The Noark B1H3C8 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# B1H3C8
Noark B1H3C8R Mini Circuit Breaker
Retail: $57.00
Price: $48.45

The Noark B1H3C8R 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# B1H3C8R
Altech 3CU8L Miniature Circuit Breaker
Retail: $90.10
Price: $56.59

The Altech 3CU8L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 8
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 3CU8L
Noark B1N3D8 Mini Circuit Breaker
Retail: $53.00
Price: $45.05

The Noark B1N3D8 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 8
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3D8
Noark B1N3D8R Mini Circuit Breaker
Retail: $49.00
Price: $41.65

The Noark B1N3D8R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 8
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3D8R
Altech 3D8UR Miniature Circuit Breaker
Retail: $51.99
Price: $32.65

The Altech 3D8UR is suitable for branch circuit device protection.

  • Terminal Type: Dual Connection (Box Clamp or Ring Tongue)
  • Amperage: 8
  • Poles: 3
  • Trip Curve: D
  • UL 1077 Listed, CE
MFG Part# 3D8UR