Page 1
TM
Electro Wizard
Battery Disconnect Switch
Page 2
FR1051 Mounting Diagram
Positive disconnection, 12V
GROUNDED SOLENOID (power supply coil negative)
Page 3
tch must be
screws UNI 5931: 1984, and plain washers
coil causes serious damage to the internal
FR1051 Technical Specifications
Positive disconnection, 12V
GROUNDED SOLENOID (power supply coil negative)
CHARACTERISTICS FR1051
Nominal tension Max 12V
Max. continuous current on main
250 A (23°C / 73.4°F)
contacts
Max. short time current on main
2500 A x 3 sec.
contacts
Recommended wire section >75mm² / 0.116 sq in
Protection degree IP 65
Tightening torque M10 nuts 20 Nm / 14.75ft lb
Tightening torque M5 nuts 1.6 Nm / 1.18 ft lb
Operating temperature range -40°C/+85°C -40°F/+185°F
Contacts Silver plated copper
Contact terminals M10 tin-plated brass
Nuts for contacts Brass
Peak current coil rated input 4.4 A
Max. retaining coil 3.2 A
Holding coil rated input 0.4 A
· The battery isolator swi
placed as close as possible to the batteries. To
avoid corrosion to wires and terminals, mount in
a protected location.
· It can be fixed to the frame according to
the fitting diagram shown in the drawing, using
M 8 TCEI (cylindrical head – encased hexagon)
FITTING INSTRUCTIONS: ELECTRICAL DIAGRAM
8,4x1.7 UNI 6592:1969.
· The inversion of the power supply to the
diode.
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FR1051
Positive disconnection, 12V
GROUNDED SOLENOID (power supply coil negative)
The Flaming River FR1051 Disconnect Switch is designed to disconnect a vehicle electrical system using a toggle switch(Not Included).
The disconnect switch should be located as close as possible to the
battery. The toggle switch can be located in any convenient location
for ease of operator use.
1. Positive battery cable is connected to terminal 30 (POS.BATT.)
2. Vehicle load is connected to terminal 30A (POS.TEL.)
3. From terminal 85 (NEG.BOB.), connect a wire to one side of the
toggle switch. (Any style of “maintained” switch is acceptable, 10
amp or greater).
4. Connect the other side of the toggle switch to chassis ground.
When the operator closes the toggle switch, the solenoid in the
disconnect switch is activated. The switch will remain closed (on) as
long as terminal 85 is grounded.
• Always use proper wiring techniques.
• Wire size should be determined using industry standards based
upon load requirements and length of cable needed.
• Activation solenoid has a max draw of 4.4 amps, 0.4 amps continuous.
• Main terminals are rated for 250 amps continuous, 2500 amps
peak.
• We always recommend the use of Battery Terminal Covers
FR1003TM.
Page 5
FR1051 Wiring Diagram
Positive disconnection, 12V
GROUNDED SOLENOID (power supply coil negative)
Page 6
FR1052 Mounting Diagram
Positive disconnection 12V
INSULATED SOLENOID (power supply coil from battery)
Page 7
Page 8
FR1052 Technical Specifications
isolator switch must be
screws UNI 5931: 1984, and plain washers
coil causes serious damage to the internal
Positive disconnection 12V
INSULATED SOLENOID (power supply coil from battery)
CHARACTERISTICS FR1052
Nominal tension Max 12V
Max. continuous current on main
250 A (23°C / 73.4°F)
contacts
Max. short time current on main
2500 A x 3 sec.
contacts
Recommended wire section >75mm² / 0.116 sq in
Protection degree IP 65
Tightening torque M10 nuts 20 Nm / 14.75ft lb
Tightening torque M5 nuts 1.6 Nm / 1.18 ft lb
Operating temperature range -40°C/+85°C -40°F/+185°F
Contacts Silver plated copper
Contact terminals M10 tin-plated brass
Nuts for contacts Brass
Peak current coil rated input 4.4 A
Max. retaining coil 3.2 A
Holding coil rated input 0.4 A
· The battery
placed as close as possible to the batteries. To
avoid corrosion to wires and terminals, mount in
a protected location.
· It can be fixed to the frame according to
the fitting diagram shown in the drawing, using
M 8 TCEI (cylindrical head – encased hexagon)
FITTING INSTRUCTIONS: ELECTRICAL DIAGRAM
8,4x1.7 UNI 6592:1969.
· The inversion of the power supply to the
diode.
Page 9
FR1052
Positive disconnection 12V
INSULATED SOLENOID (power supply coil from battery)
The versatility of Flaming River’s FR1052 Disconnect Switch allows for
multiple installation options based upon user need and vehicle application.
Options:
A Include positive or negative electrical disconnection
B Positive or negative switching.
C Continuous operator controlled remote “on”, and Passive disconnect
via vehicle ignition off.
E The addition of the FR1053 Time Delay Relay makes the switch suit-
able for vehicles requiring a Selective Catalytic Reduction cleaning
cycle or other custom features.
The disconnect switch should be located as close as possible to the
battery.
Common Installations:
Operator controlled ON-OFF (+/- disconnect and switching)
1. Positive or negative battery cable is connected to terminal 30-31.
2. Vehicle load (+/-) is connected to terminal 30A-31A
3. User determines +/- switching. Term. 85 switched for negative,
Term. 86 switched for positive. Un-switched side: 85 chassis
ground, 86 positive. (Any style of “maintained” switch is
acceptable, 10 amp or greater)
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FR1052
Positive disconnection 12V
INSULATED SOLENOID (power supply coil from battery)
Passive Disconnect (Ignition OFF Battery Disconnection)
This installation uses a momentary switch (Not Included) to energize
the vehicles electrical system, then uses the ignition system to maintain the disconnect switch in the closed (on) position. When the ignition is turned off, the disconnect switch automatically opens (off) and
the electrical system is disconnected.
1. Positive battery cable is connected to terminal 30-31
2. Vehicle load is connected to terminal 30A-31A
3. Terminal 85 (NEG.BOB.) is connected to chassis ground.
4. Terminal 86 (POS.BOB.) is connected to one side of momentary
switch and is connected to an “ignition on” circuit (i.e. Switch “IGN/
RUN” terminal)
5. Other side of momentary switch is connected to constant positive.
(Any style of momentary switch is acceptable, 10 amp or greater).
• Always use proper wiring techniques.
• Wire size should be determined using industry standards based
upon load requirements and length of cable needed.
• Activation solenoid has a max draw of 4.4 amps, 0.4 amps continuous.
• Main terminals are rated for 250 amps continuous, 2500 amps
peak.
• We always recommend the use of Battery Terminal Covers
FR1003TM.
Page 11
FR1052 Wiring Diagram
Positive disconnection 12V
INSULATED SOLENOID (power supply coil from battery)
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FR1052 Wiring Diagram
Positive disconnection 12V
INSULATED SOLENOID (power supply coil from battery)
Page 13
FR1052 Wiring Diagram
Positive disconnection 12V
INSULATED SOLENOID (power supply coil from battery)
Page 14
FR1052 Wiring Diagram
Positive disconnection 12V
INSULATED SOLENOID (power supply coil from battery)
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WARRANTY DISCLAIMER: Flaming River’s Limited Warranty
Flaming River warrants its products to be free from defects in material and workmanship for a period of one (1) year after the date
of purchase, except that: All steering columns are warranted for a
period of three (3) years from the date of purchase. The Big Switch
(part number FR1005) is warranted for a period of three (3) years
from the date of purchase, provided that it is not mounted with a
steel bracket and provided further that it is adequately protected
from environmental conditions. All electrical products other than the
Big Switch are warranted for a period of ninety (90) days from the
date of purchase. Flaming River’s warranty liability is limited to the
replacement of defective products. Flaming River is not liable for any
labor costs associated with any warranty claim, or for any incidental
or consequential damages. Improper installation, abuse, racing, and/
or modification of the products voids this warranty. No warranty of
merchantability or fitness for a particular purpose is made by Flaming
River with respect to any of its products.
Warnings and Recommendations
It is the customer’s responsibility to determine the suitability of a given Flaming River product for the customer’s uses. Likewise, it is the
customer’s responsibility to install a Flaming River product. Contact
the vehicle manufacturer whenever installing a switch to confirm the
appropriateness of using such a switch and the recommended placement of the switch on the vehicle. Use qualified chassis specialists
for the installation of all steering related components. Be aware that
the installation of certain Flaming River products may adversely impact a manufacturer’s warranty with respect to certain vehicles and
other manufactured goods. Flaming River will repair or replace any
product found to be defective in material or workmanship. Improper
installation, abuse, racing and/or modification VOID WARRANTY.
Flaming River is not responsible for any labor costs associated with
any warranty.
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Flaming River Industries,Inc.
800 Poertner Dr. Berea, Ohio 44017
1-800-648-8022•www.amingriver.com
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