marinco 772-DBC-EZ, 772-DBC-EZ-B Instruction Manual
On/Off EZ Mount Dual Bank
Control Battery Switch
772-DBC-EZ Mount Dual Bank Control (Retail Packed)
772-DBC-EZ-B (Bulk Packed)
www.bepmarine.com | www.mastervolt.com
Features & Benefits:
• Easiest surface mounting, saves installation time and cost
• Front access studs match Pro Installer Busbar range
interc
onnection height for direct linking and most mounting
compact footprint
• Actuator assembly can be fitted at any angle for optimal
cabling flexibility
• Removable knob for isolation/safety
• Includes back cover and three side panels for security and
cable protection
• Designed to withstand harsh marine environments
• High temperature reinforced plastics
Specifications:
• Continuous rating: 400A*
• Intermittent rating: 600A* (5min)
• Cranking rating: 1500A* (10sec)
• 12-48V DC
• Connection stud size: M10 (3/8”)
• IP67 – short periods of immersion
• Ignition protected
• Independently tested to meet UL1107 standards
• CE marked
*Electrical ratings achieved using cable size 120mm²
5 YEAR WARRANTY
Like 3 battery switches in one, House, Start and
Emergency Parrallel.
As easy to mount as 1, 2, 3, these revolutionary battery
switches allow you to wire from the front. Never has
installation been so easy and cabling so accessible.
With their shared interconnection height, EZ-Mount battery
switches “cluster” directly with the Pro Installer Busbar
Range, resulting in the fastest, most compact installations.
All ratings and footprint of the EZ Mount Switch match
those of the corresponding Pro Installer 770 series
standard mount switch, offering the same high quality
functionality, but with optimized, easy surface mounting.
1. Fit base
2. Add wiring
3. Clip on actuator
Surface
EZ-Mount
Rear
Panel
Mount
Front
Panel
Mount
Double Pole/DBC
EZ Mount Base
1 2
Loads
Engine
Battery
1
Battery
2
Loads
+ +
Installation Instructions: IMPORTANT! Read before installing
• It is recommended that electrical terminations and connections are carried out by a marine
electrical technician.
• These battery switches are for isolation purposes and are not designed for switching under
load. Ensure there are no circuits with high inductive loads directly connected to the switch
in order to prevent any sudden in-rush of current which may cause damage to the switch.
• Although specially selected chemical resistant materials have been used, we recommend
that for maximum product life only plastic safe corrosion inhibiting sprays are used.
• Ensure all cables are sized correctly for the loads they carry. Please refer to
www.bepmarine.com to calculate correct cable sizes.
• Ensure all electrical connections are correctly tightened to prevent any damage to the
battery switch.
T
O
R
Q
U
E
Plastic safe
Petroleum
based
solvents
Dual Bank Control features unique “isolated ON” position,
House on, Engine off. Patent pending.
EZ Mount Installation (Surface Mount Only)
1. Disconnect battery positive leads at the batteries for safety
2. Choose mounting location on a flat surface close to the batteries
3. Select pan head (or similar) screws for mounting - use either M5 or 10g imperial (not included)
4. With Actuator removed, use the switch base as a mounting template to mark the hole positions.
See details on next page for Actuator removal
5. Drill holes and screw switch base into position
6. Connect cables to studs ensuring that batteries and loads are correctly fitted
7. Ensure cables are secured to ISO/ABYC standards, and that cables are
supported so they are not placing unnecessary strain on the battery switch studs
8. Check that spring washers are fitted beneath nuts
9. Tighten the stud nuts to 13.5 Nm (10 lbf)
10. Slot the side panel(s) into the Actuator as required
11. Replace Actuator, ensuring that both switch base and Actuator are both in their “OFF” positions
12. Lock the Actuator Grey fastening screws
13. With switch in “OFF” position connect battery positive leads at battery
14. Check switch operation
Example System:
NOTE -This diagram is a guide only showing Dual Bank Control Switch
connections and is not intended as a full electrical systems wiring diagram.
Double Pole/DBC
EZ Mount
Dimensioned
Double Pole/DBC
EZ Mount Base
Dual Bank Control Switch
Loads
Engine
Battery Battery
Start
+
-
+
-
House
DVSR
Loads
Positive
Bus
Negative
Bus
House
Battery
Fuse
Optional
Start
Batt
Fuse
+
1 2
+
1 2
Loads
Engine
Battery
1
Battery
2
Loads
+ +
OFF
ON
ON
PARALLEL
1
1
2
76.2 [3.00]
97.8 [3.85]
97.8 [3.85]
76.2 [3.00]
Ø5.5 [Ø0.22]
97.8 [3.85]
15.6 [0.61] 76.9 [3.03]
92.5 [3.64]
62.4 [2.46] 30.1 [1.19]
27.5 [1.08]
DVSR (710-140A)
provides automatic
battery charging
of second bank
T
O
R
Q
U
E
Panhead
Cheesehead
Sockethead
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