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參數(shù)資料
| 型號： | 012660 |
| 廠商： | WEIDMULLER |
| 元件分類： | 接線盒 |
| 英文描述： | 47 A, MODULAR TERMINAL BLOCK, 1 ROW, 1 DECK |
| 文件頁數(shù)： | 2/6頁 |
| 文件大小： | 1970K |
| 代理商： | 012660 |
15kV Insulation Level
PPT/35
The pilot protection terminal type PPT/35 has been designed
and developed by Weidmüller to meet the ESI standard
12-4 1973. ‘Terminating Equipment for pilot cables subject
to induced transient voltages exceeding 650V rms’. The
test terminal, see fig 1, consists of a longitudinal disconnect
terminal with plug bolts on both sides of the disconnection
into which earth conductors can be plugged prior to
removal of the disconnect plug. Removal of this
plug can only be effected by the use
of a special handle. The creepage
and clearance paths between
terminals, between the
terminal and earth and
across the disconnect have
been designed to give
an insulation test level of
15kV a.c. for 1 minute.
The clamping yokes are
type ‘B’ to EA Technical
Specification 50-18 i.e.,
screw clamp/spring
loaded insertion type, to
accommodate hook bladed
crimps to EA Technical
Specification 50-18.
The terminal is designed for
mounting onto plastic rail type
TSK35 dimensioned according
to EN 50 022 (BS.5584:1978).
Terminating Box
Weidmüller are able to offer the pilot terminating box as a complete unit for testing, disconnecting and
earthing the pilot cables.
Fig 2 shows a typical layout in a TB14 box.
Other standard box layouts are available.
It comprises PPT/35 terminals mounted on TSK35 insulated mounting rail together with the necessary
earth bar connections and interconnecting leads, insulated gland plate, pilot cable armour disconnect
link and removable transparent covers to protect against accidental touching during normal operation.
The test leads and disconnecting plug handles are housed in the door of the enclosure.
Pilot Protection Terminals
Fig. 1
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