Siemens circuit breakers are core low-voltage protection components for industrial and commercial power distribution systems, covering miniature circuit breakers (MCB), molded case circuit breakers (MCCB), air circuit breakers (ACB) and motor protection circuit breakers. Main mainstream series include SENTRON 3VA, 3VL, 3WA, 3RV, 5SY6 and 5SL4.
Manufactured under strict quality standards, all breakers comply with IEC 60947 and UL standards. They provide precise protection against overload, short circuit and ground fault, effectively avoiding equipment damage and electrical fire risks. Available in 2-pole, 3-pole and 4-pole specifications with thermal-magnetic or electronic trip units for flexible parameter adjustment.
Featuring compact structure, stable breaking performance and long service life, Siemens circuit breakers support modular expansion and optional communication modules, which can be integrated into intelligent power management systems. Widely applied in control panels, switchgear, manufacturing equipment, building power supply and motor control scenarios.
We supply new original Siemens circuit breakers with complete model range and sufficient stock. Professional technical support and global shipment service are available for bulk orders.
Question and answers
Q: Are the circuit breakers genuine new original Siemens?
A: Yes, all Siemens circuit breakers are genuine new original.
Q: How long is your warranty period?
A: 1 year warranty for all circuit breakers.
Q: How quickly can you arrange shipment?
A: within about 3 working days after your payment.
Q: Can you help confirm model replacement?
A: Send your old part number, technical data for compatibility check.
Q: Does the circuit breaker support communication function?
A: Most series support communication modules as optional.
If you have any other questions, pls. feel free to leave a message or send me email sales@testwelle.com.
