Limiter of tension ET B 50 (4+0 type of food of the TN-S network
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Technical characteristics
- BrandЮ-ДЕНЭЛЕКТРОПРО
- Country of manufactureKazakhstan
Description
Limiter of tension ET B 50 (4+0) Kategoriya-I, the II, the III class / 1,2,3 type / B+C+ D Type of food of the TN-S network
TECHNICAL CHARACTERISTICS ™ ET B 50 (4+0)
Category | I, II, III class / 1,2,3 type / B+C+D |
Place of use | main switchboards |
Type of food of a network | TN-S |
Modes connection protection/type | L/N-PE |
Protective element | powerful varistor |
Pulse current | I imp = 12,5 kA |
Maximum digit current | I max=100 kA |
Case | compact |
Type | 150 | 275 | 320 | 385 | 440 | |
---|---|---|---|---|---|---|
Maximum working tension (AC/DC) | Uc | 150/200V | 275/350V | 320/420V | 385/500V | 440/580V |
Rated digit current (8/20) on a phase | In | 20kA | ||||
The maximum digit current (8/20) on a phase | Imax | 50kA | ||||
Pulse current (10/350) var/razr | Iimp | 12.5kA | ||||
Pulse current (L1+L2+L3+N-PE) | Iimp | 50kA | ||||
Protection tension level | Up var | <0.9kV | <1.5kV | <1.5kV | <1.8kV | <2.1kV |
Residual tension | Ures | <0.7kV | <1.2kV | <1.2kV | <1.5kV | <1.8kV |
Article | — | 504 073 | 504 075 | 504 077 | 504 273 | 504 079 |
Sizes | — | 90 x 70 x 72 mm |
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Limiter of tension ET B 50 (4+0 type of food of the TN-S network