Thermal Protection Relay; Dimensions - Ulvac DTC-41 User Manual

High vacuum diaphragm-type dry vacuum pump
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1.3 Thermal Protection Relay

1) This pump is fitted with an automatic reset thermal protection relay for overload protection.
This device shuts off the motor power supply circuit automatically to prevent burn-out if the
motor temperature rises due to a pump fault which prevents rotation, or if load becomes
excessive.
2) It is recommended that additional protective devices (eg. earth leakage breaker, motor
breaker) be fitted.

2. Dimensions

!
Warning
!
Caution
Top (width 155mm)
Front (length 320mm)
Fig.2.1 DTC – 41
Top (width 136mm)
Front (length 288mm)
Fig.2.2 DTC – 41K
See Warning (8), P04
See Caution (6), P05
Side (height 217mm)
Side (height 202mm)
2

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Dtc-41k

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