SK00-4802-DI-002-04
No.16.10.20
19
3.6 Electric Connection
IMPORTANT
Loosen the screws of the retainer for the terminal box cover to remove the
cover. Slightly twist the cover and you can easily pull it out.
Connect electric wires for 200V or 220V to heater terminal shown in Fig. 6.
Also check the screws on the heater side for looseness.
When connecting wires, be sure to install a safety circuit, such as an
electromagnetic switch.
(1) Use of a voltage (200V or 220V) other than that specified is not allowed.
(2) For the primary cable, be sure to use heat resistance wires (LKGB,
KGB).
Table 2: Oil diffusion vacuum pump: Current value of ULK series
Model number
Power
consumption of
heater
（
KW
）
Oil type
Current value (A)*1
1φ
200V
1φ
220V
ULK-04A
0.55
ULVOIL
D-11
2.8
2.5
ULK-04A
0.73
ULVOIL
D-31
3.7
3.4
ULK-06A
0.9
ULVOIL
D-11
4.5
4.1
ULK-06A
1.2
ULVOIL
D-31
6.0
5.5
ULK-10A
2.0
ULVOIL
D-11
10.0
9.1
ULK-10A
2.4
ULVOIL
D-31
12.0
10.9
ULK-14A
2.25
ULVOIL
D-11
11.3
10.2
ULK-14A
2.4
ULVOIL
D-31
12.0
10.9
*1) Within the rage of ±5
％
CAUTION
