Electrical equipment 24kv Insulated Metal enclosed Combined Electrical Switchgear HP SRM 24 SF6 gas 33kv switchgear price
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- Supplier: Haibian Power Equipment Co. Ltd.
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Product Overview
Description
Product Description
HP-SRM-12/24 Insulated Metal-enclosed Combined Electrical Switchgear
HP-SRM-12/24 series of ring main unit is SF6 gas-insulated metal common tank enclosed switchgear, consisting of load break switch unit, load break switch fuse combination electrical unit, vacuum circuit breaker unit, and the incoming line unit of bus. It adopts a range of advanced technologies and materials, with excellent electrical and mechanical properties, less affected by environment and climate, in small size, easy to install, easy to operate, with no need of maintenance, and can be flexibly combined. Its clear and intuitive design ensures simple and direct operation, the feeder's connection capacity is large, suitable for a variety of wiring systems.
UNIT DEFINITION
Unit code | Meaning |
C | Standard single casing load break switch unit |
F | Load break switch and fuse combination |
V | Apparatus unit |
D | Cable unit(without switch) |
+ | Side casing of busbar |
- | Top casing of busbar |
SL | Bus couple unit |
M | Metering unit |
PT | PT unit |
1K2(4) | Double-sleeve outgoing load break switch unit |
Technical Sheet
Technical Sheet
ltem | Unit | Load break switch unit | Combination apparatus | Fuse unit | |
Rated voltage | kV | 12/24 | 12/24 | 12/24 | |
Rated frequency | Hz | 50 | 50 | 50 | |
Rated current | A | 630 | Depend on rated current of fuse | 630 | |
P.F.withstand voltage (phase to phase.phase to earth) | kV | 42/65 | 42/65 | 42/65 | |
Ated insulation levels | P.F.withstand voltage(Across open contacts) | 48/79 | 48/79 | 48/79 | |
P.F.withstand voltage (Control and auxiliary circuit) | 2/2 | 2/2 | 2/2 | ||
Lightning impulse withstand voltage (phase to phase, phase to earth) | 75/125 | 75/125 | 75/125 | ||
Across open contacts | 85/145 | 85/145 | 85/145 | ||
Ogauge pressure test | — | Pass | Pass | Pass | |
Rated short time withstand current | kA | 20/4s/20/3s | — | 20/4s/20/4s | |
Rated peak withstand current | kA | 63 | —— | 63 | |
Rated short circuit making current | kA | 50 or 63 | Subject to high-voltage fuse | 50 | |
Rated short circuit breaking current | kA | — | Subject to high-voltage fuse | 20/20 | |
Rated transform current | A | — | 1750/1400 | — | |
Rated active load breaking current | A | 630 | — | — | |
Rated Closed loop breaking current | A | 630 | — | 630 | |
Mechanical life | Load break switch/breaker | Time | 5000 | 5000 | 10000 |
Isolating switch/earthing switch | 5000 | 5000 | 5000 | ||
Loop resistance | μΩ | ≤120 | — | ≤120 | |
Inflation pressure | Rated inflation pressure(absolute pressure) | bar | 1.3 | 1.3 | 1.3 |
Minimum inflation pressure(absolute pressure) | 1.2 | 1.2 | 1.2 | ||
Relative rate leakage of gas | % | ≤0.02 | ≤0.02 | ≤0.02 | |
Remark: l :Neutral point earthing system through low resistance
II :Neutral point earthing/non-earthing system through arc suppression coil
SWITCH STRUCTURE AND SIZE
Company Information
Producing Facility
Certificate
Shipment & Payment
FAQ
Q: Can we get a sample for reference?
A: Yes, as long as the goods are conventional type, and you will be charged sample cost plus related shipping cost. Once you place an order to us, we can return or deduct the sample cost to you.
Q: How to solve the quality problems after sales?
A: Take photos of the quality problems and send to us for our checking and confirming, we will make a satisfied solution for you within 3 days.
Q: What is the lead time?
A: The lead time depends on the quantities ordered, generally within 25-35days upon the receipt of advance payment.
Q: What is your terms of payment ?
A: We accept West Union, T/T, irrevocable L/C at sight. Prefer T/T 30% deposit before production, the balance against copy of B/L.
Q: Can you print our brand on the product?
A: Yes, of course, we also do OEM to print client’s brand on the product
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