Hitachi H100C, Technical Notes

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37
5-1-2 Clam pin g Tor qu e of Mou nt in g Scr ews
Th e st a rt er a nd cont a ctor shou ld be secur ely m ou n t ed t o a fla t su r fa ce wit h t he fixin g scr ews st at ed in t h e dim ensions
colum n of t h e cat a logue. As to t h e clam pin g t or que t o be applied t h em, r efer t o Ta ble 28.
Ta ble 28. Appr opr iat e clam pin g t or que
Cla m pin g t or que (k g-cm ) Diam et er of
t h r ead
Scr ew Bolt
M4 10
～
15
－
M5 25
～
35
－
M6 40
～
50
－
M8 80
～
100 100
～
150
M10
－
150
～
250
M12
－
350
～
450
5-1-3 Mou nt in g Space
Wh en m ou nt in g t h e st a rt er a nd con ta ct or, it is n ecessa r y t o pr ovide an appr opr ia te space between t h em a n d a n yt hing
n ea r by. Th e size of t his spa ce sh ould be det erm ined consider in g t h e followin g item s.
(1) Sufficient spa ce t o pr event a sh ort circu it a cciden t due t o a r c pr odu ced wh en open in g an d closin g.
(2) Spa ce n ecessar y for n or m al r a diat ion of hea t gen er a t ed by t h e st a rt er a nd cont a ct or a n d for h oldin g down t h e
t em per a t u re r ise below t h e a llowa ble va lu e.
(3) Spa ce for secu rin g t h e in sula t ion dist a nce specified in th e st a nda r d.
Rega r din g t he m ou nt in g spa ce, r efer t o t he dim ension colum n of ea ch t ype in t h e cat a logue.
5-2 WIRIN G (CON N E CTION )
5-2-1 Clam pin g Tor qu e
F or accur a t e wir in g t o t erm in als, r efer t o t he clam pin g tor qu e given in t able in pa ge 44 of t he ca t alogu e.
5-2-2 Con necta ble Wir e a n d Usa ble P r essu re-Type Wir e Con n ector
Th e con n ect a ble wires a nd t h e widt h s of usa ble pr essu r e-t ype wir e con n ect or s for t he respect ive fr a m es a re given in
t a ble in pa ge 44 of t h e ca ta logu e.