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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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Altech Corp 1B1UR Miniature Circuit Breaker
1A Miniature Circuit Breaker, 1 Pole, B-Curve (Rated to 277 VAC) | 1B1UR
Retail: $20.61
Price: $12.95

The Altech Corp 1B1UR 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: 1
  • Pole: 1
  • Trip Curve: B
  • UL 1077 Listed, UL
MFG Part# 1B1UR
Noark B1H1B1 Mini Circuit Breaker
1A Miniature Circuit Breaker, 1 Pole, B-Curve (Rated to 480Y/277 VAC) | B1H1B1
Retail: $26.56
Price: $24.30

The Noark B1H1B1 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 1
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H1B1
Altech Corp 1C1DL Miniature Circuit Breaker
1A Miniature Circuit Breaker, 1 Pole, C-Curve (Rated to 125 VDC) | 1C1DL
Retail: $41.24
Price: $25.90

The Altech Corp 1C1DL 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: 1
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 1C1DL
Noark B1N1C1 Mini Circuit Breaker
1A Miniature Circuit Breaker, 1 Pole, C-Curve (Rated to 240 VAC, 60 VDC) | B1N1C1
Retail: $20.67
Price: $18.91

The Noark B1N1C1 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 1
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1C1
Altech Corp 1C1UL Miniature Circuit Breaker
1A Miniature Circuit Breaker, 1 Pole, C-Curve (Rated to 277 VAC) | 1C1UL
Retail: $38.73
Price: $24.33

The Altech Corp 1C1UL 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: 1
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 1C1UL
Altech 1C1UR Miniature Circuit Breaker
1A Miniature Circuit Breaker, 1 Pole, C-Curve (Rated to 480Y/277 VAC) | 1C1UR
Retail: $20.61
Price: $12.95

The Altech 1C1UR is suitable for branch circuit device protection.

  • Terminal Type: Dual Connection (Box Clamp or Ring Tongue)
  • Amperage: 1
  • Poles: 1
  • Trip Curve: C
  • UL 1077 Listed, CE
MFG Part# 1C1UR
Noark B1H1C1 Mini Circuit Breaker
1A Miniature Circuit Breaker, 1 Pole, C-Curve (Rated to 480Y/277 VAC) | B1H1C1
Retail: $27.92
Price: $25.55

The Noark B1H1C1 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 1
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H1C1
Altech Corp 1D1DL Miniature Circuit Breaker
1A Miniature Circuit Breaker, 1 Pole, D-Curve (Rated to 125 VDC) | 1D1DL
Retail: $41.24
Price: $25.90

The Altech Corp 1D1DL 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: 1
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, UL, cUL, IEC, CE
MFG Part# 1D1DL
Noark B1N1D1 Mini Circuit Breaker
1A Miniature Circuit Breaker, 1 Pole, D-Curve (Rated to 240 VAC, 60 VDC) | B1N1D1
Retail: $22.71
Price: $20.78

The Noark B1N1D1 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 1
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1D1
Altech Corp 1D1UL Miniature Circuit Breaker
1A Miniature Circuit Breaker, 1 Pole, D-Curve (Rated to 277 VAC) | 1D1UL
Retail: $38.73
Price: $24.33

The Altech 1D1UL is suitable for branch circuit device protection.

  • Terminal Type: Dual Connection Terminal (Box Clamp or Ring Tongue)
  • Amperage: 1
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 1D1UL
Altech Corp 1D1UR Miniature Circuit Breaker
1A Miniature Circuit Breaker, 1 Pole, D-Curve (Rated to 277 VAC) | 1D1UR
Retail: $20.61
Price: $12.95

The Altech Corp 1D1UR 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: 1
  • Pole: 1
  • Trip Curve: D
  • UL 1077 Listed, UL, CE
MFG Part# 1D1UR
Noark B1H1D1 Mini Circuit Breaker
1A Miniature Circuit Breaker, 1 Pole, D-Curve (Rated to 480Y/277 VAC) | B1H1D1
Retail: $27.92
Price: $25.55

The Noark B1H1D1 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 1
  • Pole: 1
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H1D1
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