Collection: 3-Pole Circuit Breaker

Description:
A 3-pole circuit breaker is an electrical safety device that protects and controls circuits in three-phase electrical systems. It simultaneously protects three "hot" wires (phases) and is primarily used in industrial, commercial, and large-scale power distribution systems. These breakers interrupt high currents and protect against overloads, short circuits, and electrical faults.
Applications of 3-Pole Circuit Breakers:
Industrial Power Distribution: Protects three-phase power distribution networks, commonly found in factories, warehouses, and large industrial plants.
Motor Protection: Used to protect three-phase motors, ensuring safe operation by disconnecting power during overloads or faults.
Commercial Buildings: Protects HVAC systems, elevators, and other three-phase equipment in office buildings and shopping centers.
Renewable Energy Systems: Used in solar, wind, and other renewable energy setups to manage and protect three-phase circuits.
Utility Substations: Integral to power transmission and distribution networks, managing high-voltage three-phase systems.
Large Machinery: Protects industrial machinery that requires three-phase power, such as pumps, compressors, and CNC machines.
Data Centers: Ensures reliable power for three-phase UPS systems, servers, and cooling equipment.
-
Siemens B345HH 3 Pole Low Voltage Bolt On Circuit Breaker 45 Amp 240 VAC 65 kA
- Sale price
- $351.23
- Regular price
- $351.23
-
Siemens B360H 3 Pole Low Voltage Bolt On Circuit Breaker 60 Amp 240 VAC 22 kA
- Sale price
- $215.60
- Regular price
- $215.60
-
Siemens B350HH 3 Pole Low Voltage Bolt On Circuit Breaker 50 Amp 240 VAC 65 kA
- Sale price
- $351.23
- Regular price
- $351.23
-
Siemens B350H 3 Pole Low Voltage Bolt On Circuit Breaker 50 Amp 240 VAC 22 kA
- Sale price
- $215.60
- Regular price
- $215.60
-
Siemens B370HH 3 Pole Low Voltage Bolt On Circuit Breaker 70 Amp 240 VAC 65 kA
- Sale price
- $445.90
- Regular price
- $445.90
-
Siemens B380H 3 Pole Low Voltage Bolt On Circuit Breaker 80 Amp 240 VAC 22 kA
- Sale price
- $263.42
- Regular price
- $263.42
-
Siemens B370H 3 Pole Low Voltage Bolt On Circuit Breaker 70 Amp 240 VAC 22 kA
- Sale price
- $263.84
- Regular price
- $263.84
-
Siemens B360HH 3 Pole Low Voltage Bolt On Circuit Breaker 60 Amp 240 VAC 65 kA
- Sale price
- $351.23
- Regular price
- $351.23
-
Siemens B380HH 3 Pole Low Voltage Bolt On Circuit Breaker 80 Amp 240 VAC 65 kA
- Sale price
- $459.62
- Regular price
- $459.62
-
Siemens B390H 3 Pole Low Voltage Bolt On Circuit Breaker 90 Amp 240 VAC 22 kA
- Sale price
- $340.26
- Regular price
- $340.26
-
Siemens Q335 Type QP 3 Pole 35 Amp 240 VAC 10 kA Plug In Circuit Breaker
- Sale price
- $85.85
- Regular price
- $85.85
-
Siemens Q330 Type QP 3 Pole 30 Amp 240 VAC 10 kA Plug In Circuit Breaker
- Sale price
- $85.85
- Regular price
- $85.85
-
Siemens Q325 Type QP 3 Pole 25 Amp 240 VAC 10 kA Plug In Circuit Breaker
- Sale price
- $85.85
- Regular price
- $85.85
-
Siemens Q320H Type QPH 3 Pole 20 Amp 240 VAC 22 kA Plug In Circuit Breaker
- Sale price
- $112.99
- Regular price
- $112.99
- Previous page
- Page 6 of 7
- Next page
BestSellers
- Sale price
- $1.47
- Regular price
- $1.47
- Sale price
- $1.31
- Regular price
- $1.31
- Sale price
- $1.42
- Regular price
- $1.42
- Sale price
- $0.66
- Regular price
- $0.66
- Sale price
- $1.66
- Regular price
- $1.66
- Sale price
- $0.56
- Regular price
- $0.56
- Sale price
- $0.53
- Regular price
- $0.53
- Sale price
- $0.90
- Regular price
- $0.90
- Sale price
- $1.07
- Regular price
- $1.07
- Sale price
- $1.17
- Regular price
- $1.17
- Sale price
- $365.05
- Regular price
- $365.05
- Sale price
- $88.20
- Regular price
- $88.20
- Sale price
- $56.35
- Regular price
- $56.35
- Sale price
- $61.25
- Regular price
- $61.25
- Sale price
- $117.60
- Regular price
- $117.60
- Sale price
- $83.30
- Regular price
- $83.30
- Sale price
- $259.70
- Regular price
- $259.70
- Sale price
- $169.05
- Regular price
- $169.05
- Sale price
- $169.05
- Regular price
- $169.05
- Sale price
- $176.40
- Regular price
- $176.40
- Sale price
- $112.70
- Regular price
- $112.70
- Sale price
- $730.10
- Regular price
- $730.10
- Sale price
- $0.59
- Regular price
- $0.59
- Sale price
- $298.90
- Regular price
- $298.90
- Sale price
- $44.10
- Regular price
- $44.10
- Sale price
- $2.15
- Regular price
- $2.15
- Sale price
- $242.55
- Regular price
- $242.55
- Sale price
- $1.43
- Regular price
- $1.43
- Sale price
- $333.20
- Regular price
- $333.20
- Sale price
- $343.00
- Regular price
- $343.00
- Sale price
- $173.95
- Regular price
- $173.95
- Sale price
- $656.60
- Regular price
- $656.60
- Sale price
- $494.90
- Regular price
- $494.90
- Sale price
- $1,587.60
- Regular price
- $1,587.60
- Sale price
- $352.80
- Regular price
- $352.80
- Sale price
- $945.70
- Regular price
- $945.70
- Sale price
- $320.95
- Regular price
- $320.95
- Sale price
- $120.05
- Regular price
- $120.05
- Sale price
- $1,450.40
- Regular price
- $1,450.40
- Sale price
- $399.35
- Regular price
- $399.35
- Sale price
- $467.95
- Regular price
- $467.95
- Sale price
- $343.00
- Regular price
- $343.00
- Sale price
- $641.90
- Regular price
- $641.90
- Sale price
- $0.48
- Regular price
- $0.48
- Sale price
- $796.25
- Regular price
- $796.25
- Sale price
- $1,293.60
- Regular price
- $1,293.60
- Sale price
- $39.20
- Regular price
- $39.20
