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Baoding Mingrui Optoelectrical Technology Co.,Ltd
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Transformer neutral discharging gap
| Price: | 100.0~1000.0 USD |
| Payment Terms: | T/T,L/C,WU |
| Place of Origin: | Hebei, China (Mainland) |
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Product Detail
MRD-NP Transformer Neutral Discharging Gap is complete electrical equipment consisting of disconnecting switch, lightning arrestor, discharging gap an
1. Operation conditions
Applicable for indoor and outdoor
Ambient temperature: -50 to +55 Celsius
Altitude: 1500m, if exceeds, we can produce as per specific details
Max earthquake intensity: 8 grades
Frequency: 50Hz and 60Hz system
Max wind pressure: 700Pa
2. Typical technical data
Product Model No. | MRD-NP-110 | MRD-NP-220 | |
Transformer Rated Voltage KV | 110 | 220 | |
Transformer Neutral Withstanding Voltage | Lightning Impulse Withstand Voltage KV (peak value) | 250 | 450 |
1min Power-Frequency Withstand Voltage KV (effective value) | 95 | 200 | |
Disconnecting Switch | Model No. | GW13-72.5W | GW13-126W |
Rated Current A | 630 | ||
Operation Mode | CS17 (Manual) or CJ6 (Motor-drive) | ||
Lightning Arrestor | Model No. | Y1.5W-72/168 | Y1.5W-144/320 |
Rated Voltage KV (effective value) | 72 | 144 | |
Continuous Operation Voltage KV (effective value) | 58 | 116 | |
8/20µs Lightning Impulse Residual Voltage KV (peak value) | ≤186 | ≤320 | |
Discharging Gap | Shape | Clavate or Spherical | |
Discharge Distance mm | 90-135 | 250-320 | |
Power-frequency Discharging Voltage KV (effective value) | 50-63 | 100-127 | |
Current Transformer | Type | Epoxy Resin-Totally Enclosed-Pillar Type | |
CT Ratio | 100/5, 200/5, 300/5, 400/5, 500/5, 600/5 | ||
3. Ordering instructions
Please inform us the following data before place the order
Transformer insulation level and rated capacity
The precision, ratio and capacity of Discharging gap protection CT
Rated current of the isolating switch and the operating mechanism of the operating mode
Rated voltage and lightning residual pressure of Zinc oxide lightning arrester
Operating environment (indoor or outdoor, pollution grade and altitude etc.)
Installation method: pre-built concrete pole pillar by user or a whole set of over-ground mounting bracket and accessories matching supplied with the device
Project name, product model, product quantity and delivery time
Other special requirements beyond the above stipulations need to negotiate before place the order
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Company Info
Baoding Mingrui Optoelectrical Technology Co.,Ltd [China (Mainland)]
Business Type:Manufacturer
City: Baoding
Province/State: Hebei
Country/Region: China (Mainland)
