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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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Lovato P1MBUH3PC02 Miniature Circuit Breaker
2A Miniature Circuit Breakers, 3 Pole, C-Curve (Rated to 400VAC) | P1MBUH3PC02
Retail: $185.06
Price: $73.82

The Lovato P1MBUH3PC02 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 2
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, IEC/EN 60947-2
MFG Part# P1MBUH3PC02
Lovato P1MB3PB02 Miniature Circuit Breaker
2A Miniature Circuit Breakers, 3 Poles, B-Curve (Rated to 230-400 VAC) | P1MB3PB02
Retail: $100.17
Price: $46.14

The Lovato P1MB3PB02 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 2
  • Poles: 3
  • Trip Curve: B
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB3PB02
Lovato P1MB3PD02 Miniature Circuit Breaker
2A Miniature Circuit Breakers, 3 Poles, D-Curve (Rated to 230-400 VAC) | P1MB3PD02
Retail: $100.17
Price: $46.14

The Lovato P1MB3PD02 is suitable for branch circuit device protection. (Pack of 4)

  • Terminal Type: Screw
  • Amperage: 2
  • Poles: 3
  • Trip Curve: D
  • UL 1077 Listed, CSA C22.2 No. 235, IEC/EN 60947-2
MFG Part# P1MB3PD02
Noark B1N1B30 Mini Circuit Breaker
30A Miniature Circuit Breaker, 1 Pole, B-Curve (Rated to 240 VAC, 60 VDC) | B1N1B30
Retail: $18.20
Price: $15.47

The Noark B1N1B30 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 30
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1B30
Noark B1N1B30R Mini Circuit Breaker
30A Miniature Circuit Breaker, 1 Pole, B-Curve (Rated to 240 VAC, 60 VDC) | B1N1B30R
Retail: $18.00
Price: $15.30

The Noark B1N1B30R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 30
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1B30R
Altech 1BU30R Miniature Circuit Breaker
30A Miniature Circuit Breaker, 1 Pole, B-Curve (Rated to 277 VAC) | 1BU30R
Retail: $16.17
Price: $10.16

The Altech 1BU30R 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: 30
  • Pole: 1
  • Trip Curve: B
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 1BU30R
Noark B1H1B30 Mini Circuit Breaker
30A Miniature Circuit Breaker, 1 Pole, B-Curve (Rated to 480Y/277 VAC) | B1H1B30
Retail: $21.30
Price: $18.11

The Noark B1H1B30 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 30
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H1B30
Noark B1H1B30R Mini Circuit Breaker
30A Miniature Circuit Breaker, 1 Pole, B-Curve (Rated to 480Y/277 VAC) | B1H1B30R
Retail: $21.00
Price: $17.85

The Noark B1H1B30R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 30
  • Pole: 1
  • Trip Curve: B
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H1B30R
Altech DC1CU30L Miniature Circuit Breaker
30A Miniature Circuit Breaker, 1 Pole, C-Curve (Rated to 125 VDC) | DC1CU30L
Retail: $32.33
Price: $20.31

The Altech DC1CU30L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 30
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# DC1CU30L
Noark B1N1C30 Mini Circuit Breaker
30A Miniature Circuit Breaker, 1 Pole, C-Curve (Rated to 240 VAC, 60 VDC) | B1N1C30
Retail: $16.60
Price: $14.11

The Noark B1N1C30 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 30
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1C30
Noark B1N1C30R Mini Circuit Breaker
30A Miniature Circuit Breaker, 1 Pole, C-Curve (Rated to 240 VAC, 60 VDC) | B1N1C30R
Retail: $17.00
Price: $14.45

The Noark B1N1C30R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 30
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N1C30R
Altech 1CU30L Miniature Circuit Breaker
30A Miniature Circuit Breaker, 1 Pole, C-Curve (Rated to 277 VAC) | 1CU30L
Retail: $30.04
Price: $18.87

The Altech 1CU30L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 30
  • Pole: 1
  • Trip Curve: C
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 1CU30L
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