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Audited Supplier GRM is completely insulated SF6 gas ring main unit switchgear hereinafter short as GIS RMU,
This product is in conformity with the standards the GB/IEC standard and the design of a high safety combined switch cabinets.
For GRM serie switchgear , there are normally 3 kinds panel type:
GRM- C : Load Break Switch
GRM-F : Load Break Switch + Fuse
GRM-V : Vacuum Circuit Breaker
Reference standard:
----IEC62271-200
----IEC62271-100
----GB3804-2004
----GB3906-1991
----GB16926-1997
----GB/T11022-1999
Remark:
Fuse combined electrical follow IEC 60420
VCB unit according to IEC 62271-100/GB1984-2003
OUR SERVICE:
1.Quick response before sales thus help you get order.
2.Excellent service in production schedule keep you informed about every step.
3.Reliable quality solve you after sales headache.
4.Long period quality warranty ensure purchase without hesitate.
WHY CHOOSE POWERTECH:
1. One-stop supplier globally.
2. More than 10 years professional experiences in electrical appliance industry.
3.We offer professional online technology support for perfecting your electrical solution free.
4. Experienced sales service and suggestion.
5. All the products with accessories under strict quality control and final inspection before shipping.
6. We can assure the powerful competitive price and reliable quality products.
7. Most competitive shipping rate from our own shipping forwarder.
8. Warranty assurance: 12 month
9. Whatever big or small order, we can provide you one-to-one service.
Suppliers with verified business licenses
Audited Supplier 
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