Motor Protection Relay / Device
We create with intention. Our products solve real problems with clean design and honest materials.
We obsess over the details and strive to deliver the best products at the best prices, every time.
We're always on your side: keeping our loyal customers happy is our top priority and number one goal.
Why Choose Us
✅ 10+ Years Experience
Over a decade of professional electrical equipment manufacturing
Over a decade of professional electrical equipment manufacturing
✅ 7-Day Delivery
Standard orders from our factory arrive within 7 days
Standard orders from our factory arrive within 7 days
✅ 8-Hour After-Sales Response
Dedicated service team responds within 8 hours
Dedicated service team responds within 8 hours
✅ Price Advantage
Factory-direct pricing with significant cost advantages
Factory-direct pricing with significant cost advantages
✅ English Technical Team
English-speaking engineers for pre-sales, application and after-sales support
English-speaking engineers for pre-sales, application and after-sales support
CERTIFICATES
Wan Long Electric holds the following international certifications and standard compliances, ensuring our products meet the highest global quality and safety requirements:
- ISO 9001:2015 — Quality Management System
- IEC 61439-1 & IEC 61439-2 — Low Voltage Switchgear and Controlgear Assemblies
- IEC 60947-2 — Low Voltage Circuit Breakers (ACB & MCCB)
- IEC 60947-6-1 — Automatic Transfer Switching Equipment (ATS)
- IEC 60947-4-1 — Motor Starters and Protection Relays
- IEC 60255 — Measuring Relays and Protection Equipment
- GB 7251 / GB 14048 — Chinese National Standards
- CE Marking — European Union Compliance