Figure 1. UMK 33 Relay Base
Phoenix Contact Inc. • P.O. Box 4100 • Harrisburg, PA 17111 • Phone: (717) 944-1300 • Fax: (717) 944-1625
1
Features
• Accepts up to 4 PDT relay
• Pluggable base accepts Potter & Brumfield
KHA/KHS series and Aromat HC4 series relays
• DIN-rail mounted
• Coil status indication for 24 V dc or 120 V ac
• Separation of coil and contact wiring
Description
The UMK 33 base manufactured by Phoenix Contact
allows for a variety of relays to be utilized within one
base. The module will accept the following relay
contact configurations:
1 PDT, 2 PDT, 3 PDT and 4 PDT.
The UMK 33 standard relay base can be used with any
coil voltage. Status indication bases are also available
for 24 V dc or 120 V ac.
For hazardous applications, the UMK 33 base can be
fitted with the KHS series relay from Potter &
Brumfield. This relay is hermetically sealed and UL
approved for Class 1 Division 2 hazardous locations.
A relay mounting clip must be used for this
application to prevent accidental removal of the relay
during operation.
Data Sheet 1092A
UMK 33
Relay Base
January 2000
Table 1. UMK 33 Relay Base Specifications
