NGRUS314中文资料PDF规格书
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NGRUS314规格书详情
Description
High-resistance grounding prevents many of the problems
that are associated with ungrounded and solidly grounded
electrical distribution and utilization systems. High-resistance
grounding can limit point-of-fault damage, eliminate transient
overvoltages, reduce the arc-flash hazards, limit voltage
exposure to personnel, and provide adequate tripping levels
for selective current-based ground-fault detection and
coordination.
The Littelfuse Neutral Grounding Resistor System is a
neutral grounding resistor (NGR), current transformer, and
sensing resistor installed in a NEMA 3R enclosure used to
high-resistance ground transformers and generators. The
NGR system is designed for use with Littelfuse Neutral
Grounding Resistor Monitors for complete system grounding
and grounding protection.
The NGR series – US systems are designed for use in US
applications and all other parts of the world, not including
Canada. For applications in Canada, please use the NGR
series – Canada.
Applications
High-resistance grounding is applied on transformers and
generators where safety and continuity of service are
important. A faulted feeder may remain in operation until it
is safe to repair the fault, where allowed by the local
electrical code.
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
ON/安森美 |
21+ |
TO-252-2(DPAK) |
8080 |
公司只做原装,诚信经营 |
询价 | ||
ON/安森美 |
21+ |
TO-252-2(DPAK) |
8800 |
公司只做原装正品 |
询价 | ||
ON(安森美) |
23+ |
NA |
20094 |
正纳10年以上分销经验原装进口正品做服务做口碑有支持 |
询价 | ||
三年内 |
1983 |
纳立只做原装正品13590203865 |
询价 | ||||
ON/安森美 |
22+ |
TO-252 |
10000 |
绝对原装现货热卖 |
询价 | ||
ON |
2020+ |
SOT-23 |
350000 |
100%进口原装正品公司现货库存 |
询价 | ||
ON |
2023+ |
SOT-23 |
50000 |
原装现货 |
询价 | ||
ON/安森美 |
23+ |
TO-252-2(DPAK) |
30000 |
原装正品公司现货,假一赔十! |
询价 | ||
ON |
2018+ |
SOT23 |
6528 |
只做原装正品假一赔十!只要网上有上百分百有库存放心 |
询价 | ||
ON/安森美 |
21+ |
TO-252-2(DPAK) |
8080 |
只做原装,质量保证 |
询价 |