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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 913-924 of 1377
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Altech 3CU3L Miniature Circuit Breaker
Retail: $90.10
Price: $56.59

The Altech 3CU3L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 3
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 3CU3L
Noark B1N3D3 Mini Circuit Breaker
Retail: $53.00
Price: $45.05

The Noark B1N3D3 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 3
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3D3
Noark B1N3D3R Mini Circuit Breaker
Retail: $49.00
Price: $41.65

The Noark B1N3D3R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 3
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3D3R
Altech 3DU3L Miniature Circuit Breaker
Retail: $90.10
Price: $56.59

The Altech 3DU3L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 3
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 3DU3L
Altech 3DU3R Miniature Circuit Breaker
Retail: $48.51
Price: $30.48

The Altech 3DU3R 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: 3
  • Poles: 3
  • Trip Curve: D
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 3DU3R
Noark B1H3D3 Mini Circuit Breaker
Retail: $62.90
Price: $53.47

The Noark B1H3D3 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 3
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H3D3
Noark B1H3D3R Mini Circuit Breaker
Retail: $57.00
Price: $48.45

The Noark B1H3D3R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 3
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H3D3R
Lovato P1MB1PB03 Miniature Circuit Breaker
Retail: $32.26
Price: $15.38

The Lovato P1MB1PB03 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 3
  • Pole: 1
  • Trip Curve: B
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB1PB03
Lovato P1MB1PC03 Miniature Circuit Breaker
Retail: $32.26
Price: $15.38

The Lovato P1MB1PC03 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 3
  • Pole: 1
  • Trip Curve: C
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB1PC03
Lovato P1MBUH1PC03 Miniature Circuit Breaker
Retail: $49.23
Price: $24.61

The Lovato P1MBUH1PC03 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 3
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, IEC/EN 60947-2
MFG Part# P1MBUH1PC03
Lovato P1MB1PD03 Miniature Circuit Breaker
Retail: $32.26
Price: $15.38

The Lovato P1MB1PD03 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 3
  • Pole: 1
  • Trip Curve: D
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB1PD03
Lovato P1MB2PC03 Miniature Circuit Breaker
Retail: $66.21
Price: $30.76

The Lovato P1MB2PC03 is suitable for branch circuit device protection. (Pack of 6)

  • Terminal Type: Screw
  • Amperage: 3
  • Poles: 2
  • Trip Curve: C
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB2PC03