2025 UL Ordering Catalog - Flipbook - Page 275
SECONDARY DISCONNECT
COMMUNICATION/INTERCOM DISCONNECTS
ORDER INFORMATION
8 Dispenser, 4 Conductor Communication/Intercom Secondary Disconnects
Model
Description
DDS-8DB4C
Communication/Intercom Secondary Disconnect, 4 Conductors 1-8
Dispensers (for (4) intercom conductors for (8) dispensers
ie: (1) call button & (1) speaker per dispenser)
8 Dispenser, 8 Conductor & 16 Dispenser, 4 Conductor Communication/Intercom Secondary Disconnects
Model
Description
DDS-8DA44CE
Communication/Intercom Secondary Disconnect, 8 Conductors 1-8
Dispensers (for (8) intercom conductors for (8) dispensers
ie: (2) call buttons & (2) speakers per dispenser)
DDS-16DA4CE
Communication/Intercom Secondary Disconnect, 4 Conductors 1-16
Dispensers (for (4) intercom conductors for (16) dispensers ie: (1) call button
& (1) speaker per dispenser)
SPECIFICATIONS
Number of Dispenser
Channels
8 or 16
Secondary Remote
Expansion Output
Yes
E-Stop Control Input
Connects to Remote Control Output of
Primary Disconnect
Approvals
cULus Listed 1238
Number of Conductors
Disconnected per Dispenser
− For compliance with NEC® 514.11
4 Conductors + (Shield –
Not Disconnected)
8 Conductors + (Shield –
Not Disconnected)
Class 2, 48V Max, 3 Amp
Surge Protection Available
No
Individual Channel Control
Switches
Provided by the Primary Disconnect
Secondary Disconnect Communication/Intercom Disconnects
Certifications
− For compliance with NEC® 514.13
requirements for Maintenance
Disconnects at Motor Fuel
Dispensing Facilities (switches to
disconnect individual dispenser
circuits for servicing)
INTEGRATED ELECTRICAL
CONTROLS
Signal Circuit Rating
and NFPA® 30A Section 6.7
requirements for Emergency
Disconnects at Motor Fuel
Dispensing Facilities (controlled by
E-Stop system)
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