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3-Pole Miniature Circuit Breakers

3-pole miniature circuit breakers (MCBs) are available in current ratings from 0.3A to 63A, with tripping characteristics B, C, and D. They comply with UL 1077, UL 489, and UL 508 standards.

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Noark B1H3B20 Mini Circuit Breaker
Retail: $78.47
Price: $71.81

The Noark B1H3B20 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 20
  • Poles: 3
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H3B20
Noark B1N3C20 Mini Circuit Breaker
Retail: $64.30
Price: $58.84

The Noark B1N3C20 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 20
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3C20
Noark B1H3C20 Mini Circuit Breaker
Retail: $79.79
Price: $73.02

The Noark B1H3C20 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 20
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H3C20
Noark B1N3D20 Mini Circuit Breaker
Retail: $66.09
Price: $60.48

The Noark B1N3D20 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 20
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3D20
Altech Corp 3D20UL Miniature Circuit Breaker
Retail: $116.17
Price: $72.98

The Altech 3D20UL is suitable for branch circuit device protection.

  • Terminal Type: Dual Connection Terminal (Ring and Box)
  • Amperage: 20
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 3D20UL
Noark B1H3D20 Mini Circuit Breaker
Retail: $79.79
Price: $73.02

The Noark B1H3D20 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 20
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H3D20
Altech Corp 3B20UM Miniature Circuit Breaker
Retail: $82.45
Price: $51.79

The Altech Corp 3B20UM 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: 20
  • Poles: 3
  • Trip Curve: B
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 3B20UM
Altech Corp 3B20UR Miniature Circuit Breaker
Retail: $61.85
Price: $38.85

The Altech Corp 3B20UR 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: 20
  • Poles: 3
  • Trip Curve: B
  • UL 1077 Listed, UL
MFG Part# 3B20UR
Altech Corp 3C20UM Miniature Circuit Breaker
Retail: $82.45
Price: $51.79

The Altech Corp 3C20UM 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: 20
  • Poles: 3
  • Trip Curve: C
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 3C20UM
Altech Corp 3C20UL Miniature Circuit Breaker
Retail: $116.17
Price: $72.98

The Altech Corp 3C20UL 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: 20
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 3C20UL
Altech Corp 3C20UR Miniature Circuit Breaker
Retail: $61.85
Price: $38.85

The Altech Corp 3C20UR 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: 20
  • Poles: 3
  • Trip Curve: C
  • UL 1077 Listed, UL
MFG Part# 3C20UR
Altech Corp 3D20UM Miniature Circuit Breaker
Retail: $82.45
Price: $51.79

The Altech Corp 3D20UM 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: 20
  • Poles: 3
  • Trip Curve: D
  • UL 508 Listed, UL, cUL, CSA
MFG Part# 3D20UM