Page 95 - L . V S W I T C H G E A R
P. 95
intelligent
Earth Leakage Circuit Breaker
ͻ ŽŵƉůŝĞƐ ǁŝƚŚ ƚŚĞ ŵĂũŽƌ ŝŶƚĞƌŶĂƟŽŶĂů ƐƚĂŶĚĂƌĚƐ ĂŶĚ ͻ Contributes to safety and compactness by furnishing
ĐĞƌƟĮĐĂƟŽŶƐ͘;/ ͕:/^͕ ͕dms͕ Ϳ new three-phase power supply circuit acts in the event
ͻ ,ŝŐŚ ƉĞƌĨŽƌŵĂŶĐĞ ĂŶĚ ĐŽŵƉĂĐƚ ĚĞƐŝŐŶ ďƌĞĂŬĞƌ &h:/͛Ɛ of ground fault even when the loss of one phase oc-
ŝŶŐĞŶŝŽƵƐ ĂďůĂƟŽŶ ďƌĞĂŬŝŶŐ ƚĞĐŚŶŽůŽŐLJ͘ curs in a three-phase system (Required in the revised
ͻ WƵƌƐƵŝƚ ŽĨ ƵƐĞƌ ĨƌŝĞŶĚůŝŶĞƐƐ ďLJ ƚŚĞ ƐƚĂŶĚĂƌĚŝnjĂƟŽŶ ŽĨ IEC60947-2).
ŝŶƚĞƌŶĂů ĂĐĐĞƐƐŽƌLJ ƉĂƌƚƐ͘ ;ϯϮͬϱϬͬϲϯͬϭϬϬ &͕ ϭϮϱͬϮϱϬ & ͻ ƋƵŝƉƉĞĚ ǁŝƚŚ ƚŚĞ ŶĞǁůLJ ĚĞǀĞůŽƉĞĚ ůĞĂŬĂŐĞ ĚĞƚĞĐƟŽŶ
ϰϬϬͬϲϯϬͬϴϬϬ &Ϳ ĐŝƌĐƵŝƚ͕ ŶŽŝƐĞ ƐƵƌŐĞ ƉĞƌĨŽƌŵĂŶĐĞ ŝŵƉƌŽǀĞƐ ĞǀĞŶ ďĞƩĞƌ͘
ͻ High workability can be obtained since the removal ͻ DĂƚĞƌŝĂů ĚĞƐĐƌŝƉƟŽŶ ŽĨ ŵĂũŽƌ ĐŽŵƉŽŶĞŶƚƐ͕ ĐŽŵƉůŝĂŶĐĞ
of ELCB wiring is not required at dielectric test during ǁŝƚŚ ZŽ,^ ŝƌĞĐƟǀĞ͕ ĂŶĚ ůŽǁĞƌ ĞŶǀŝƌŽŶŵĞŶƚĂů ŝŵƉĂĐƚ ďLJ
ŝŶƐƉĞĐƟŽŶ͘ ĂĚŵŝƵŵͲĨƌĞĞ ĐŽŶƚĂĐƚ͘ ;ďĞ ƐƵďũĞĐƚ ƚŽ ƐŽŵĞ ĞdžĐĞƉƟŽŶƐ͘Ϳ
TLJpe and raƟng
'Ͳdt/E 'ůŽďĂů ^ĞƌŝĞƐ >ŝŶĞ ƉƌŽƚĞĐƟŽŶ
Dimension
'Ͳdt/E ŐůŽďĂů ƐĞƌŝĞƐ ůŝŶĞ ƉƌŽƚĞĐƟŽŶ tϱϬZ 'hͲ
ϮW͕ tϱϬZ 'hͲϯW ;&ƌŽŶƚ ŵŽƵŶƟŶŐ͕ ĨƌŽŶƚ ĐŽŶŶĞĐ-
ƟŽŶͿ
'Ͳdt/E ŐůŽďĂů ƐĞƌŝĞƐ ůŝŶĞ ƉƌŽƚĞĐƟŽŶ tϱϬZ 'hͲ
ϯW͕ tϭϬϬ 'hͲϮW͕ ͲϯW ;&ƌŽŶƚ ŵŽƵŶƟŶŐ͕ ĨƌŽŶƚ
ĐŽŶŶĞĐƟŽŶͿ
'Ͳdt/E ƐƚĂŶĚĂƌĚ ƐĞƌŝĞƐ ůŝŶĞ ƉƌŽƚĞĐƟŽŶ tϯϮ͕ ϱϬ͕
63, 100
95
