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Other FlexMod™units
Low Voltage Disconnect Switch
48610
48710 programmable unit
FlexMod™ Electronic Liftgate
Protector
Lighting Timer
48636
48736 programmable unit
Smart Battery Isolator Controller
48540
48740 programmable unit
Electronic Voltage Sensing Relay & Timer
48541
48741 programmable unit
Dual Output Voltage Sensing Relay & Timer
48742 programmable unit
48535
48535-O1
48735
48735-O1 Liftgate Protector
Liftgate Protector kit
Programmable Liftgate Protector
Programmable Liftgate Protector kit
For 12V and 24V DC systems, 10A at 85ºC
Connections
Normal Operation Summary
(Using the 12805 Mating Connector Kit)
Warning: Disconnect the vehicle’s battery before
installation.
Note: this summary describes the factory default
settings. Programmable units may have different
voltage and or time delays.
Required Connections:
1. When CONTROL is activated to Battery+, the output
will be energized.
1. Connect pin 4 (BATT+) to an appropriately
sized fuse. Connect the fuse to the positive
terminal of the battery.
2.When MANUAL is de-activated, the output will be
turned off.
2. Connect pin 3 (LOAD+) to the positive side of
the load.
Additional Operating Details
3. Connect pin 2 (GND) to ground.
4. To ensure proper environmental sealing, all
unused connector pins must be sealed with
blanking pins (see specifications section).
5. Connect pin 5 (CONTROL) to a normally open
momentary switch. Connect the other side of the
switch to BATT+.
6. Connect pin 1 (OVERRIDE) to a normally open
momentary switch. Connect the other side of the
switch to BATT+.
Optional Connections:
1. Connect pin 6 (ALARM) to an audible/visual alarm.
Connect the other side of the alarm to ground.
• Low Voltage Protection: If, while Liftgate is in
operation, the battery voltage drops below the
Low Voltage threshold, the alarm will actively
signal the condition. Once CONTROL is released,
the outout will not turn back on unless either
OVERRIDE is toggled or the battery is charged
back up above the charged threshold.
• OVERRIDE: If the Battery voltage is below the low
voltage threshold, the output cannot be turned
on as normal. A one-time override is possible. If
OVERRIDE is energized, the output can be turned
on as normal through CONTROL, one time. Once
this one-time override time expires, the battery
must be charged above the low voltage threshold
for the liftgate to be operated again.
Littelfuse Commercial Vehicle Products
www.colehersee.com
www.littelfuse.com
IF-175 Rev A
General Specifications
Overcurrent Protection
Abnormal Voltage
• If the load current exceeds 31 amps, the load
output will be turned off and the alarm will be
turned on. To reset from the fault, the LVD’s
power must be cycled.
(24V limits in parentheses)
• If the load current exceeds 17 amps (and is less
than 31 amps) for one second, the LOAD output
will be turned off and the alarm will repeat a
cycle of pulsing the alarm twice followed by
a pause. To reset from the fault, either press
manual or cycle power.
• If the load current exceeds 15 amps (and is less
than 17 amps) for one second, the load output
will be turned off and the alarm will repeat a
cycle of pulsing the alarm twice followed by
a pause. To reset from the fault, either press
manual or cycle power.
Abnormal Voltage:If the BATT+ voltage is less
than 7.5V (16V) or greater than 17V (34V), the load
output will be turned off and the alarm will repeat
a cycle of pulsing the alarm three times followed
by a pause. The LVD will auto-recover when
BATT+ returns to normal.
Programmable Versions
Environmental: SAE J1455 & J1113
Sealed to IP-67
Electrical:
9-32V DC
9-32V DC 10A max. Load Circuit Current 200mA max. Alarm Circuit Current
2mA max quiescent current
Accuracy:
Mating Connector:
Blanking Pin:
+/- 50 mV
Deutsch DT06-08S, Amphenol AT06-08S
Deutsch 114017, Amphenol A114017
Use Cole Hersee Programmer Kit 48650 using
cable assembly 65373 (included in kit).
Liftgate
Solenoid
Override
Momentary
Switch
Fuse
1
2
3
4
Control
Momentary
Switch
Battery
Liftgate
Protector
Optional
Alarm indicator
200mA max
6
5
Connector pin descriptions:
1.
OVERRIDE
2.
GROUND (Battery - )
3.LOAD+
4.BATTERY+
5.CONTROL
6.ALARM
7.
Redundant ground (Battery - )
8.
Redundant ground (Battery - )
Submit technical questions to:
CVPtech@littelfuse.com
Littelfuse Commercial Vehicle Products
www.colehersee.com
www.littelfuse.com
IF-175 Rev A
LVD Accessories available
from Cole Hersee
12805:
Mating connector kit
58332-03
Rocker Switch with Indicator
55020-02: Toggle Switch
55020-04:
PVC Coated Toggle Switch
9216-03:Momentary Switch
9187-02:
Momentary Push Button Switch
PL-612-R:
12V Red LED Indicator Light
MA-250012-RS: 12V Relay for Alarm Circuit
MA-150024-RS: 24V Relay for Alarm Circuit
Littelfuse Commercial Vehicle Products
www.colehersee.com
www.littelfuse.com
IF-175 Rev A