Professional Low Voltage Electrical Manufacturer

Offer the low voltage electric solutions for different fields customers from different countries and regions around the world.

Our New Products

Moulded Case Circuit Breakers

3SM7 Series

Power Your Precision Protection

✔️Ultra-Reliable Performance: Built to IEC 60947-2 standards for cable, motor, and equipment protection against overloads, short circuits, and phase failures.
✔️Wide Range: Covers 32A to 1250A with adjustable thermal/magnetic trip units (frames: 125A, 160A, 250A, 630A, 1250A).
✔️High Breaking Capacity: Choose L/M/H ratings (up to 75kA) for demanding commercial, industrial, or infrastructure applications.
✔️Compact & Smart: Space-saving design, easy accessory integration (UV/shunt releases, alarms), and vibration-resistant construction.
✔️Global Compliance: Certified for 400/690V AC, 50/60Hz systems. CE & IEC listed.

Ideal for: Manufacturing plants, data centers, renewables, and heavy machinery.

Miniature Circuit Breaker

3SB56 Series

Ultimate Protection, Simplified
✔️ 10kA High Breaking Capacity – Reliable short-circuit protection per IEC 60898-1.
✔️ 1-63A Wide Range – Covers residential, commercial & industrial needs.
✔️ Compact & Versatile – 1P to 4P configurations, including 1P+N/3P+N.
✔️ B/C/D Tripping Curves – Precision protection for diverse applications.

Ideal for smart buildings, machinery, and energy systems.

DC Miniature Circuit Breaker

3SB56Z Series

Power Safely, Perform Reliably

✔️ IEC 60947-2 Certified
✔️ 6-63A Rating & 6kA Breaking Capacity
✔️ C/D Tripping Curves for flexible protection
✔️ 1P-4P configurations (250VDC to 1000VDC)

Ideal for PV systems, motors, and industrial DC circuits. Ensures overload/short-circuit protection, safeguards equipment, and complies with global standards.

Automatic Transfer Switches

3SAQ4 Series

Instant Power Transfer, Zero Downtime
✔️ <20ms Ultra-Fast Switching – PC-class reliability for solar/grid/backup systems (IEC 60947-6-1).
✔️ 6-63A Range – Seamless source transition for residential to commercial loads.
✔️ Dual Mounting – Rail or screw installation flexibility in compact design.
✔️ 8K+ Durability – Mechanical lifespan exceeding 8000 operations.

Ideal for solar hybrid systems, emergency grids & IoT energy networks. Secure uptime now!

Star-delta Starter

3SQ8N Series

Power Up Your Motors with Precision & Durability!

✔️ Wide Current Range: 18–265A, ideal for heavy-duty industrial motors.
✔️ Robust Compliance: Meets IEC 60947-4-1 standards for safety & reliability.
✔️ Ultra-Long Lifespan: 600K electrical cycles | 6M mechanical operations.
✔️ Smart Protection: Overload, phase-loss, short-circuit, and fault monitoring.
✔️ Flexible Voltage: Optimized for 220V/230V systems.

Perfect For: Pumping systems, compressors, conveyors, and HVAC solutions.

Product Certificates

SASSIN Client

“Wow, I have received the goods. How happy I am! Goods are better than expected, increased my online shopping confidence. Very excellent quality circuit breakers, and very fast delivery. Our leaders and customers are very satisfied, the seller is really very credit!”

Enrique Gonzalez (Spain)

“Very pleasant and comfortable purchasing experience, which is far exceeding our expectations. With the professional and high efficient guidance, we are very satisfied with SASSIN superior products' quality, very meticulous and thoughtful service, and the excellent after-sales service... The supplier is really trustworthy. ”

DIEGO LEGY (Brazil)

“Surprised to received the goods!I'm very glad that we are cooperating online again. The process of placing an order online is similar to that of placing an order offline. Thank you very much for the help of customer service. Sassin has been responsible for tracking from the beginning of the order to the delivery. Sassin is a reliable partner!”

Raju Lal Prajapati (Southeast Asia)

Exhibition

Years of domestic & overseas exhibitions are good opportunities for us to expand the business.We are eager to meet you in the exhibitions face-to-face and build a long-term business relationship together.

ABOUT US

As one of the leading enterprises in the low voltage electrics field in China, SASSlN International Electric Shanghai Co., Ltd is committed to offering the low voltage electric solutions for diferent fields customers from diferent countries and regions around the world

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