2025 UL Ordering Catalog - Flipbook - Page 278
SECONDARY DISCONNECT
RACK MOUNTED ETHERNET DISCONNECTS
ORDER INFORMATION
Model
Description
DDS-ERS8D
Rack Mounted Ethernet Secondary Disconnect,
1 Ethernet Cable for 8 Dispensers
DDS-ERS88D
Rack Mounted Ethernet Secondary Disconnect,
2 Ethernet Cables for 8 Dispensers
DDS-ERS16D
Rack Mounted Ethernet Secondary Disconnect,
1 Ethernet Cable for 16 Dispensers
SPECIFICATIONS
Number of Dispenser
Channels
8 or 16
Dimensions
3.5" (2U) H x 19" W x 9" D
E-Stop Control Input
Connects to Remote Control Output of
Primary Disconnect
Approvals
cUL Listed 1238
Number of Conductors
Disconnected per Dispenser
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)
NFPA® and NEC® are registered trademarks of the National Fire Protection Association.
Components & Dimensions
Input Connection Panel
16
6
2
and NFPA® 30A Section 6.7
requirements for Emergency
Disconnects at Motor Fuel
Dispensing Facilities (controlled by
E-Stop system)
88D = 2 Ethernet Cables per Dispenser
Signal Circuit Rating
1
− For compliance with NEC® 514.11
8D and 16D Models = 1 Ethernet Cable
per Dispenser
Ethernet Input Jacks
3
Output Connection Panel
4
Ethernet Output Jacks
5
Active Status Indicators
3
Control Output to Secondary
Disconnect Controller
7
Control Output from Secondary
Disconnect Controller
14
13
12
11
10
9
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
5
Low Voltage Dispenser Wiring Disconnect
8
16
6
15
7
6
5
4
3
2
1
15
14
13
12
11
10
9
7
1
2
3 7/16"
6
Low Voltage Dispenser Wiring Disconnect
8
7
6
5
4
3
2
1
17"
9"
19"
278
Secondary Disconnect Rack Mounted Ethernet Disconnects
