888-886-8185
8am-5pm PST
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 1033-1044 of 1377
Filter

List View

Altech 3DU4R Miniature Circuit Breaker
Retail: $48.51
Price: $30.48

The Altech 3DU4R 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: 4
  • Poles: 3
  • Trip Curve: D
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 3DU4R
Noark B1H3D4 Mini Circuit Breaker
Retail: $62.90
Price: $53.47

The Noark B1H3D4 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 4
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H3D4
Noark B1H3D4R Mini Circuit Breaker
Retail: $57.00
Price: $48.45

The Noark B1H3D4R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 4
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H3D4R
Lovato P1MB1PB04 Miniature Circuit Breaker
Retail: $32.26
Price: $15.38

The Lovato P1MB1PB04 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 4
  • Pole: 1
  • Trip Curve: B
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB1PB04
Lovato P1MB1PC04 Miniature Circuit Breaker
Retail: $32.26
Price: $15.38

The Lovato P1MB1PC04 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 4
  • Pole: 1
  • Trip Curve: C
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB1PC04
Lovato P1MBUH1PC04 Miniature Circuit Breaker
Retail: $49.23
Price: $24.61

The Lovato P1MBUH1PC04 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 4
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, IEC/EN 60947-2
MFG Part# P1MBUH1PC04
Lovato P1MB1PD04 Miniature Circuit Breaker
Retail: $32.26
Price: $15.38

The Lovato P1MB1PD04 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 4
  • Pole: 1
  • Trip Curve: D
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB1PD04
Lovato P1MB2PB04 Miniature Circuit Breaker
Retail: $66.21
Price: $30.76

The Lovato P1MB2PB04 is suitable for branch circuit device protection. (Pack of 6)

  • Terminal Type: Screw
  • Amperage: 4
  • Poles: 2
  • Trip Curve: B
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB2PB04
Lovato P1MB2PC04 Miniature Circuit Breaker
Retail: $66.21
Price: $30.76

The Lovato P1MB2PC04 is suitable for branch circuit device protection. (Pack of 6)

  • Terminal Type: Screw
  • Amperage: 4
  • Poles: 2
  • Trip Curve: C
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB2PC04
Lovato P1MB2PD04 Miniature Circuit Breaker
Retail: $66.21
Price: $30.76

The Lovato P1MB2PD04 is suitable for branch circuit device protection. (Pack of 6)

  • Terminal Type: Screw
  • Amperage: 4
  • Poles: 2
  • Trip Curve: D
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB2PD04
Lovato P1MBUH2PC04 Miniature Circuit Breaker
Retail: $117.15
Price: $49.22

The Lovato P1MBUH2PC04 is designed to protect feeder circuits, the part of the system from the network supply point to the protection device for a branch circuit. (Pack of 6)

  • Terminal Type: Screw
  • Amperage: 4
  • Poles: 2
  • Trip Curve: C
  • UL 489 Listed, EAC, cUlus, IEC/EN/BS 60947-2
MFG Part# P1MBUH2PC04
Lovato P1MBUH2PD04 Miniature Circuit Breaker
Retail: $117.15
Price: $49.22

The Lovato P1MBUH2PD04 is designed to protect feeder circuits, the part of the system from the network supply point to the protection device for a branch circuit. (Pack of 6)

  • Terminal Type: Screw
  • Amperage: 4
  • Poles: 2
  • Trip Curve: D
  • UL 489 Listed, EAC, cUlus, IEC/EN/BS 60947-2
MFG Part# P1MBUH2PD04