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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 3C30UL Miniature Circuit Breaker
Retail: $97.65
Price: $61.34

The Altech 3C30UL is suitable for branch circuit device protection.

  • Terminal Type: Dual Connection (Box Clamp or Ring Tongue)
  • Amperage: 30
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 3C30UL
Altech 3CU30R Miniature Circuit Breaker
Retail: $48.51
Price: $30.48

The Altech 3CU30R 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
  • Poles: 3
  • Trip Curve: C
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 3CU30R
Noark B1H3C30 Mini Circuit Breaker
Retail: $62.90
Price: $53.47

The Noark B1H3C30 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 30
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H3C30
Noark B1H3C30R Mini Circuit Breaker
Retail: $57.00
Price: $48.45

The Noark B1H3C30R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 30
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H3C30R
Altech 3CU30L Miniature Circuit Breaker
Retail: $90.10
Price: $56.59

The Altech 3CU30L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 30
  • Poles: 3
  • Trip Curve: C
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 3CU30L
Noark B1N3D30 Mini Circuit Breaker
Retail: $53.00
Price: $45.05

The Noark B1N3D30 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 30
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3D30
Noark B1N3D30R Mini Circuit Breaker
Retail: $49.00
Price: $41.65

The Noark B1N3D30R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 30
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1N3D30R
Altech 3D30UR Miniature Circuit Breaker
Retail: $51.99
Price: $32.65

The Altech 3D30UR is suitable for branch circuit device protection.

  • Terminal Type: Dual Connection (Box Clamp or Ring Tongue)
  • Amperage: 30
  • Poles: 3
  • Trip Curve: D
  • UL 1077 Listed, CE
MFG Part# 3D30UR
Altech 3DU30L Miniature Circuit Breaker
Retail: $90.10
Price: $56.59

The Altech 3DU30L is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 30
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, C22.2 No.5-02, EN 60947-2, CE
MFG Part# 3DU30L
Altech 3DU30R Miniature Circuit Breaker
Retail: $48.51
Price: $30.48

The Altech 3DU30R 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
  • Poles: 3
  • Trip Curve: D
  • UL 1077 Listed, IEC/EN60898/60947-2
MFG Part# 3DU30R
Noark B1H3D30 Mini Circuit Breaker
Retail: $62.90
Price: $53.47

The Noark B1H3D30 is suitable for branch circuit device protection.

  • Terminal Type: Box Lugs
  • Amperage: 30
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H3D30
Noark B1H3D30R Mini Circuit Breaker
Retail: $57.00
Price: $48.45

The Noark B1H3D30R is suitable for branch circuit device protection.

  • Terminal Type: Ring Tounge Terminal
  • Amperage: 30
  • Poles: 3
  • Trip Curve: D
  • UL 489 Listed, CSA C22.2 No. 5, IEC/EN 60947-2, CE, RoHS
MFG Part# B1H3D30R