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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

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Noark B1N3C8 Mini Circuit Breaker
8A Miniature Circuit Breaker, 3 Pole, C-Curve (Rated to 240 VAC) | B1N3C8
Retail: $64.30
Price: $58.84

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 B1H3C8 Mini Circuit Breaker
8A Miniature Circuit Breaker, 3 Pole, C-Curve (Rated to 480Y/277 VAC) | B1H3C8
Retail: $79.79
Price: $73.02

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 B1N3D8 Mini Circuit Breaker
8A Miniature Circuit Breaker, 3 Pole, D-Curve (Rated to 240 VAC) | B1N3D8
Retail: $66.09
Price: $60.48

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 B1H3D8 Mini Circuit Breaker
8A Miniature Circuit Breaker, 3 Pole, D-Curve (Rated to 480Y/277 VAC) | B1H3D8
Retail: $79.79
Price: $73.02

The Noark B1H3D8 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# B1H3D8
Altech Corp 3B8UR Miniature Circuit Breaker
8A Miniature Circuit Breaker, 3 Poles, B-Curve (Rated to 480Y/277 VAC) | 3B8UR
Retail: $61.85
Price: $38.85

The Altech Corp 3B8UR is suitable for branch circuit device protection applications with Low inrush motors, resistive loads, wiring protection, receptacles, lighting, and control circuit applications.

  • Terminal Type: Box Clamp or Ring Tongue
  • Amperage: 8
  • Poles: 3
  • Trip Curve: B
  • UL 1077 Listed, UL
MFG Part# 3B8UR
Altech Corp 3C8UM Miniature Circuit Breaker
8A Miniature Circuit Breaker, 3 Poles, C-Curve (Rated to 40Y/277 VAC) | 3C8UM
Retail: $82.45
Price: $51.79

The Altech Corp 3C8UM is suitable for branch circuit device protection applications with Low inrush motors, resistive loads, wiring protection, receptacles, lighting, and control circuit applications.

  • Terminal Type: Box Clamp or Ring Tongue
  • Amperage: 8
  • Poles: 3
  • Trip Curve: C
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 3C8UM
Altech Corp 3C8UL Miniature Circuit Breaker
8A Miniature Circuit Breaker, 3 Poles, C-Curve (Rated to 480Y/277 VAC) | 3C8UL
Retail: $116.17
Price: $72.98

The Altech Corp 3C8UL is suitable for branch circuit device protection applications with Low inrush motors, resistive loads, wiring protection, receptacles, lighting, and control circuit applications.

  • Terminal Type: Box Clamp or Ring Tongue
  • Amperage: 8
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 3C8UL
Altech Corp 3C8UR Miniature Circuit Breaker
8A Miniature Circuit Breaker, 3 Poles, C-Curve (Rated to 480Y/277 VAC) | 3C8UR
Retail: $61.85
Price: $38.85

The Altech Corp 3C8UR is suitable for branch circuit device protection applications with Low inrush motors, resistive loads, wiring protection, receptacles, lighting, and control circuit applications.

  • Terminal Type: Box Clamp or Ring Tongue
  • Amperage: 8
  • Poles: 3
  • Trip Curve: C
  • UL 1077 Listed, UL
MFG Part# 3C8UR
Altech Corp 3D8UM Miniature Circuit Breaker
8A Miniature Circuit Breaker, 3 Poles, D-Curve (Rated to 40Y/277 VAC) | 3D8UM
Retail: $82.45
Price: $51.79

The Altech Corp 3D8UM is suitable for branch circuit device protection applications with Low inrush motors, resistive loads, wiring protection, receptacles, lighting, and control circuit applications.

  • Terminal Type: Box Clamp or Ring Tongue
  • Amperage: 8
  • Poles: 3
  • Trip Curve: D
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 3D8UM
Altech Corp 3D8UR Miniature Circuit Breaker
8A Miniature Circuit Breaker, 3 Poles, D-Curve (Rated to 480Y/277 VAC) | 3D8UR
Retail: $61.85
Price: $38.85

The Altech Corp 3D8UR is suitable for branch circuit device protection applications with Low inrush motors, resistive loads, wiring protection, receptacles, lighting, and control circuit applications.

  • Terminal Type: Box Clamp or Ring Tongue
  • Amperage: 8
  • Poles: 3
  • Trip Curve: D
  • UL 1077 Listed, UL, CE
MFG Part# 3D8UR
Lovato P1MB1PC08 Miniature Circuit Breaker
8A Miniature Circuit Breakers, 1 Pole, C-Curve (Rated to 230VAC/60VDC) | P1MB1PC08
Retail: $47.97
Price: $19.99

The Lovato P1MB1PC08 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 8
  • Pole: 1
  • Trip Curve: C
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60898-1, IEC/EN 60947-2
MFG Part# P1MB1PC08
Lovato P1MBUH1PC08 Miniature Circuit Breaker
8A Miniature Circuit Breakers, 1 Pole, C-Curve (Rated to 400VAC/60VDC) | P1MBUH1PC08
Retail: $73.22
Price: $32.30

The Lovato P1MBUH1PC08 is suitable for branch circuit device protection.(Pack of 12)

  • Terminal Type: Screw
  • Amperage: 8
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, IEC/EN 60947-2
MFG Part# P1MBUH1PC08
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