2025 UL Ordering Catalog - Flipbook - Page 277
SECONDARY DISCONNECT
ETHERNET DISCONNECTS
ORDER INFORMATION
Model
Description
DDS-EWS8D
Ethernet Secondary Disconnect, 1 Ethernet Cable
for 8 Dispensers
DDS-EWS88D
Ethernet Secondary Disconnect, 2 Ethernet Cables
for 8 Dispensers
DDS-EWS16D
Ethernet Secondary Disconnect, 1 Ethernet Cable
for 16 Dispensers
SPECIFICATIONS
Number of Dispenser
Channels
8 or 16
Dimensions
19" H x 9" W x 3.4" D
Connects to Remote Control Output of
Primary Disconnect
Approvals
cULus Listed 1238
E-Stop Control Input
Number of Conductors
Disconnected per Dispenser
− For compliance with NEC® 514.11
and NFPA® 30A Section 6.7
requirements for Emergency
Disconnects at Motor Fuel
Dispensing Facilities (controlled by
E-Stop system)
8D and 16D Models =
1 Ethernet Cable per Dispenser
88D =
2 Ethernet Cables per Dispenser
Signal Circuit Rating
Class 2, 48V Max, 3 Amp
Surge Protection Available
No
Individual Channel Control
Switches
Provided by the Primary Disconnect
Secondary Remote
Expansion Output
Yes
Certifications
− For compliance with NEC® 514.13
requirements for Maintenance
Disconnects at Motor Fuel
Dispensing Facilities (switches to
disconnect individual dispenser
circuits for servicing)
3
Components & Dimensions
Input Connection Panel
2
Ethernet Input Jacks
3
Output Connection Panel
4
Ethernet Output Jacks
5
Active Status Indicators
6
Control Output to Secondary
Disconnect Controller
INTEGRATED ELECTRICAL
CONTROLS
1
1
6
5
7
18 7/16"
9
10
2
3
11
4
12
4
3
11
12
2
5
7
6
15
8
16
8
7
15
16
6
14
14
5
13
2
13
Control Output from Secondary
Disconnect Controller
10
7
9
4
1
17"
1
19"
3"
9"
1" CONDUIT K.O. (Typ.)
3 3/8"
1 13/16"
2"
Secondary Disconnect Communication/Intercom Disconnects
277
