Hitachi H20-T Technical Notes page 27

(b) Lin e-cur r ent detectin g m et h od
Motor
Volt a ge Ca pa cit y
(kW)
5.5
7.5
11
15
18.5
22
30
200V
37
45
55
75
90
110
132
150
5.5
7.5
11
15
18.5
22
30
37
400V
45
55
75
90
110
132
150
190
260
Not e: Th e RC va lu es of th erm a l overloa d rela ys ar e ba sed on H it ach i gen er a l-pu rpose squir rel-ca ge m ot ors.
Ta ble 18. Select ion (lin e-cu rr en t det ect in g m et hod)
Con t a ct or for Con t a ct or for
in su lat ion St a r
(52) (6)
H 20,HS20
H 20,HS20
H 25,HS25
H 35,HS35
H 25,HS25
H 50,HS50
H 35,HS35
H 65C
H 80C H 50,HS50
H 100C
H 65C
H 125C
H 150C H 80C
H 200C H 125C
H 250C H 150C
H 300C H 200C
H 250C
H 400C
H 300C
H 20,HS20
H 20,HS20
H 25,HS25
H 35,HS35 H 35,HS35
H 50,HS50 H 50,HS50
H 50
H 65C
H 65C
H 80C
H 100C H 80C
H 125C H 100C
H 150C H 125C
H 200C
H 200C
H 250C
H 300C
H 400C H 300C
3 Con ta ctor Met h od
F ig. 20 Con nection dia gr a m
Con t a ct or for
Delt a
(42)
H 20,HS20
H 25,HS25
H 35,HS35
H 50,HS50
H 65C
H 80C
H 100C
H 125C
H 150C
H 200C
H 250C
H 300C
H 400C
H 20,HS20
H 25,HS25
H 35,HS35
H 50,HS50
H 65C
H 80C
H 100C
H 125C
H 150C
H 200C
H 250C
H 300C
H 400C
23
Th er ma l Over load Rela y
(49) RC(A)
TR25B-1E
Sin gle in st a lla t ion
TR50B-1E
TR80B-1E
TR150B-1E
Sin gle in st a lla t ion 105
130
TR400B-1E
Sin gle in st a lla t ion
TR20B-1E
〃
TR25B-1E
Sin gle in st a lla t ion
TR50B-1E
TR80B-1E
TR150B-1E
Sin gle in st a lla t ion 105
130
TR400B-1E
Sin gle in st a lla t ion
Adju sta ble
Ra n ge (A)
20 16 ~ 24
28 22 ~ 34
40 32 ~ 48
55 45 ~ 65
67 55 ~ 80
80 65 ~ 95
90 ~ 120
110 ~ 150
1.4 1.0 ~ 1.8
2.4 1.6 ~ 3.2
3.8 2.5 ~ 5.0
6.8 4.5 ~ 9
9 6 ~ 12
15 12 ~ 18
20 16 ~ 24
28 22 ~ 34
40 32 ~ 48
55 45 ~ 65
67 55 ~ 80
80 65 ~ 95
90 ~ 120
110 ~ 150
1.4 110 ~ 1.8
2.4 1.6 ~ 3.2
3.8 2.5 ~ 5.0