Brand:CNKEEYA
Model:RM-12(C);RM-12(V)
CNKEEYA, a distinguished supplier, proudly offers the Fully Insulated Closed Ring Network Switchgear—an embodiment of advanced technology at a cost-effective price point. Our commitment to quality is complemented by a dedication to providing low-cost solutions in the realm of fully insulated closed ring network switchgear. Keeya stands as your trusted partner, delivering high-performance products that meet both technical requirements and budget considerations. Choose CNKEEYA for cutting-edge solutions that prioritize efficiency without compromising affordability.
CNKEEYA, a distinguished supplier, introduces the Fully Insulated Closed Ring Network Switchgear, seamlessly merging advanced technology with cost-effective solutions. Our commitment to delivering high-quality products is complemented by our dedication to ensuring competitive prices. CNKEEYA stands as your reliable source for efficient and low-cost solutions in the realm of fully insulated closed ring network switchgear. Partner with us to access top-notch products that align with your budgetary considerations, ensuring reliability and affordability.
RM-12 gas plled ring main unit is a completely sealed system,and its live parts and switches are enclosed in a stainless steel body. The entire switchgear is not affected by external environmental conditions, thereby ensuring operational reliability and personal safety, so as to achieve maintenance-free. By choosing an expandable bus,any combination can be made to achieve full modularity. The safety insulation and shielding of the extended bus bar ensure reliability and safety. RM6-12 gas Plled ring main unit can also provide TV-based automation solutions,forming the concept of intelligent switches,and minimizing the workload of on-site installation and commissioning.
Product main feature
Brand:CNKEEYA
Model:RM-12(C);RM-12(V)
RM-12 series gas filled ring main unit features SF6 gas used as arc extinguishing and insulating medium. The Unit is a fully sealed and fully insulated structure; the bus bar, switchand point parts are completely enclosed in a stainless steel shell. The cavity is filled with 1.4bar SF6 gas, and the protection level reaches IP67; the entire switch device is completely unaffected by external environmental conditions, and the normal operation of the switch can be guaranteed even under extreme conditions such as short-term Booding, and the product is maintenance-free for life.
● The Unit has a reliable and safe pressure relief channel, which can guarantee the personal safety of the operator even in extreme situations.
● The Unit is available of two types: fixed unit combination and expandable unit combination.
● The Unit usually enters and exits from the front, and can also achieve side exit or side expansion according to different installation positions.
● The size of the Unit is easy to install, and it can be suitable for places with small space and poor environmental conditions.
● The Unit can be equipped with electric motoring, remote control and monitoring devices to meet the different needs of users.
RM-12
Fully insulated closed ring network switchgear
Technical parameter
Model
Module C
Module
C
Module V
Module CB
Combination switch
Vacuum switch
Isolating/earth switch
Vacuum circuit breaker
Rated voltage
kV
12
12
Rated frequency
Hz
50
50
Power frequency
withstand voltage (phase-phase/solating distance)
kV
42/48
42/48
42/48
42/48
42/48
42/48
Lightning impulse withstand voltage
kV
75/85
75/85
75/85
75/85
75/85
75/85
Rated current
A
630
Note:1
630
1250/630
Rated closed-ring breaking current
A
630
Rated cable charging breaking current
A
135/135
Rated short circuit making current(peak)
A
50
80
Rated peak withstand current
kA
50
Rated short time withstand current
kA/3s
Rated short circuit breaking current
kA
31.5
20
25
Rated transfer current
A
1750
Max.current of equipped fuse
A
125
Circuit
resistance
n
≤300
≤600
Mechanical life
time
5000
3000
5000
2000
5000
5000
Note:1 lt depends on the fuse's current rating.
NSRM-12
Fully insulated closed ring network switchgear
Switch cabinet structure and size
Unit
A
B
C
D
1-way
365
290
331
365
2-way
690
615
656
690
3-way
1015
940
981
1015
4-way
1340
1265
1306
1340
5-way
1665
1590
1631
1665
6-way
1990
1915
1956
1990
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