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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 1213-1224 of 1377
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Altech 3CU63L Miniature Circuit Breaker
Retail: $97.02
Price: $60.94

The Altech 3CU63L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 63
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 3CU63L
Noark B1N3C63 Mini Circuit Breaker
Retail: $51.50
Price: $43.78

The Noark B1N3C63 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 63
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3C63
Altech 3CU63R Miniature Circuit Breaker
Retail: $51.98
Price: $32.65

The Altech 3CU63R 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: 63
  • Poles: 3
  • Trip Curve: C
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 3CU63R
Altech 3DU63L Miniature Circuit Breaker
Retail: $97.02
Price: $60.94

The Altech 3DU63L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 63
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 3DU63L
Noark B1N3D63 Mini Circuit Breaker
Retail: $53.00
Price: $45.05

The Noark B1N3D63 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 63
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3D63
Altech 3DU63R Miniature Circuit Breaker
Retail: $51.98
Price: $32.65

The Altech 3DU63R 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: 63
  • Poles: 3
  • Trip Curve: D
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 3DU63R
Lovato P1MB1PB63 Miniature Circuit Breaker
Retail: $59.43
Price: $16.92

The Lovato P1MB1PB63 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 63
  • Pole: 1
  • Trip Curve: B
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB1PB63
Lovato P1MB1PC63 Miniature Circuit Breaker
Retail: $59.43
Price: $16.92

The Lovato P1MB1PC63 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 63
  • Pole: 1
  • Trip Curve: C
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB1PC63
Lovato P1MBUL1PC63 Miniature Circuit Breaker
Retail: $59.43
Price: $27.68

The Lovato P1MBUL1PC63 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 63
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, IEC/EN 60947-2
MFG Part# P1MBUL1PC63
Lovato P1MB1PD63 Miniature Circuit Breaker
Retail: $59.43
Price: $16.92

The Lovato P1MB1PD63 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 63
  • Pole: 1
  • Trip Curve: D
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB1PD63
Lovato P1MB2PB63 Miniature Circuit Breaker
Retail: $105.00
Price: $33.84

The Lovato P1MB2PB63 is suitable for branch circuit device protection. (Pack of 6)

  • Terminal Type: Screw
  • Amperage: 63
  • Poles: 2
  • Trip Curve: B
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB2PB63
Lovato P1MB2PC63 Miniature Circuit Breaker
Retail: $101.87
Price: $33.84

The Lovato P1MB2PC63 is suitable for branch circuit device protection. (Pack of 6)

  • Terminal Type: Screw
  • Amperage: 63
  • Poles: 2
  • Trip Curve: C
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB2PC63