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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 961-972 of 1377
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Noark B1N3C40 Mini Circuit Breaker
Retail: $51.50
Price: $43.78

The Noark B1N3C40 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 40
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3C40
Noark B1N3C40R Mini Circuit Breaker
Retail: $48.00
Price: $40.80

The Noark B1N3C40R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 40
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3C40R
Altech 3CU40R Miniature Circuit Breaker
Retail: $51.98
Price: $32.65

The Altech 3CU40R 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: 40
  • Poles: 3
  • Trip Curve: C
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 3CU40R
Altech 3DU40L Miniature Circuit Breaker
Retail: $97.02
Price: $60.94

The Altech 3DU40L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 40
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 3DU40L
Noark B1N3D40 Mini Circuit Breaker
Retail: $53.00
Price: $45.05

The Noark B1N3D40 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 40
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3D40
Noark B1N3D40R Mini Circuit Breaker
Retail: $49.00
Price: $41.65

The Noark B1N3D40R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 40
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3D40R
Altech 3DU40R Miniature Circuit Breaker
Retail: $51.98
Price: $32.65

The Altech 3DU40R 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: 40
  • Poles: 3
  • Trip Curve: D
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 3DU40R
Lovato P1MB1PB40 Miniature Circuit Breaker
Retail: $42.45
Price: $16.92

The Lovato P1MB1PB40 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 40
  • Pole: 1
  • Trip Curve: B
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB1PB40
Lovato P1MB1PC40 Miniature Circuit Breaker
Retail: $42.45
Price: $16.92

The Lovato P1MB1PC40 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 40
  • Pole: 1
  • Trip Curve: C
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB1PC40
Lovato P1MBUL1PC40 Miniature Circuit Breaker
Retail: $59.43
Price: $27.68

The Lovato P1MBUL1PC40 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 40
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, IEC/EN 60947-2
MFG Part# P1MBUL1PC40
Lovato P1MB1PD40 Miniature Circuit Breaker
Retail: $42.45
Price: $16.92

The Lovato P1MB1PD40 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 40
  • Pole: 1
  • Trip Curve: D
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB1PD40
Lovato P1MB2PB40 Miniature Circuit Breaker
Retail: $84.90
Price: $33.84

The Lovato P1MB2PB40 is suitable for branch circuit device protection. (Pack of 6)

  • Terminal Type: Screw
  • Amperage: 40
  • Poles: 2
  • Trip Curve: B
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB2PB40