Vd4 R 12 Kv 17kv 24kv Indoor Vacuum Circuit Breaker

• Customization: Available
• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Energy-storage Type
• Model NO.: VD4/R
• Speed: High-Speed Circuit Breaker
• Arc-extinguishing Medium: Vacuum
• Installation: Fixed
• Structure: Vcb
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection
• Certification: ISO9001-2000
• Transport Package: Wooden Packing
• Specification: IEC, GB
• Trademark: Rockwill
• Origin: Zhejiang, China
• HS Code: 8535210000
• Production Capacity: 1000PCS

Product Description

Medium voltage products

VD4/R

MV vacuum circuit-breakers for secondary distribution



Interchangeable with VD4 and HD4 circuit-breakers with ESH type lateral operating mechanism.

Stored energy mechanical control able to make a complete O-C-O cycle without reloading the springs.

EL type control common to the VD4 series with front operating mechanism.

High number of operations and long electrical and mechanical life(class E2 and M2-10000 operations)

Suitable for installation in prefabricated substations and switchgear.

Easy to customize thanks to the full range of accessories.

Vacuum interrupters built into the pole cylinders to protect against impact, condensation and polluted environments.

Maintenance-free

Application(on request) of current sensors and protection device REF 601 (in accordance with IEC standards or CEI 0-16), or self supplied protection device PR521, with fully tested actuation chain for facilitated installation.

Note: the fast delivery option can be requested for VD4/R series circuit-breakers.

Electrical specifications
 

Circuit-breaker		VD4/R 12	VD4/R 17	VD4/R 24
Rated voltage	kV	12	17.5	24
Rated thermal current	A	630/800/1250	630/800/1250	630/800/1250
Rated duty breaking capacity	kA	12.5…25	12.5…25	12.5…20

 

WHY CHOOSE ROCKWELL:

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.  

CONTACT US:

Contact person: Mr. Chen Chengming
Tel:[phone]
Mobile:[phone]

 

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