Redarc SBI12-LLD User Manual

Low-Voltage Load

Disconnect Isolator

SBI12-LLD

WARNING & SAFETY INSTRUCTIONS

SAVE THESE INSTRUCTIONS - This manual contains IMPORTANT SAFETY INSTRUCTIONS for the SBI12-LLD
battery isolator.

DO NOT OPERATE THE ISOLATOR UNLESS YOU HAVE READ AND UNDERSTOOD THIS MANUAL AND THE
ISOLATOR IS INSTALLED AS PER THESE INSTALLATION INSTRUCTIONS.

RISK OF EXPLOSIVE GASES:
WORKING IN VICINITY OF A LEAD-ACID BATTERY IS DANGEROUS. BATTERIES GENERATE EXPLOSIVE

GASES DURING NORMAL OPERATION. FOR THIS REASON, IT IS OF UTMOST IMPORTANCE THAT YOU
FOLLOW THE INSTRUCTIONS EACH TIME YOU USE THE CHARGER.

1. NEVER smoke or allow a spark or flame in vicinity of battery or engine. This may cause the battery to explode.

2. Be extra cautious so as to reduce the risk of dropping a metal tool onto a vehicle battery. Doing so might cause
the battery to spark or might short-circuit the battery or other electrical parts that may cause an explosion.

3. Remove personal metal items such as rings, bracelets, necklaces, and watches when working with a lead-acid
battery. A lead-acid battery can produce a short-circuit current high enough to weld a ring or the like to metal,
causing a severe burn.

4. A spark near a battery may cause the battery to explode. To reduce the risk of a spark near a battery when
connecting the battery installed in a vehicle to the isolator, always do the following:

a) Position DC cords to reduce the risk of damage by the vehicle hood, door, or moving engine part.
b) Stay clear of fan blades, belts, pulleys and other parts that can cause injury to persons.
c) Determine which post of the battery is grounded (connected) to the chassis. If the negative post is

grounded to the chassis (as in most vehicles), see (e). If the positive the post is grounded to the chassis
see (f).

d) For use in negative-grounded vehicles only. Connect the POSITIVE (RED) terminals from the Battery Isolator

to the POSITIVE (POS, P, +) of the auxiliary battery. Connect the NEGATIVE (BLACK) lead to a metal part of
the frame or the vehicle chassis, away from the battery. Do not connect the connect to the carburettor or
fuel lines.

5. Personal safety precautions to assist with safely working with Batteries:

a) Consider having someone close by to come to your aid when you are working with the Battery.
b) Have plenty of fresh water and soap nearby in case battery acid contacts skin, clothing, or eyes.
c) Wear complete eye protection and clothing protection. Avoid touching eyes while working near a battery.
d) If battery acid contacts your skin or clothing, remove the affected clothing and wash the affected area of

your skin immediately with soap and water. If battery acid enters your eye, immediately flood the eye with
running cold water for at least 10 minutes and seek medical assistance immediately.

1. Over discharge risk. Ensure that the Turn OFF voltage is suitable for the specifications provided by the battery
manufacturer.

2. The SBI12-LLD is designed for controlling loads from an Auxiliary battery. Using the SBI12-LLD to isolate from
a start battery will result in a state of charge too low to start the vehicle.

SAL.FOR.Instruction Manual.SBI12LLD – DOC1133 – Version 1

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WARNING & SAFETY INSTRUCTIONS

3. The SBI12-LLD will achieve best results when proper battery maintenance is regularly performed. This includes
but is not limited to checking water and specific gravity levels of the battery. Refer to the battery manufacturers
manual for more details.

4. Fuses or Circuit breakers of appropriate rating must be installed to protect the vehicle system.

5. Fuses must be installed as close as possible to the battery.

6. IMPORTANT! Do NOT make any connections to the control terminals found on the front of the unit. Ensure
that connections are not accidentally bridged between terminals whilst tightening. Connecting to the control
terminals on the front of the SBI may cause damage to the unit and/or equipment connected to it. Connecting
to the control terminals will void the warranty of the unit.

Do NOT
connect
to the control
terminals!

SPECIFICATIONS

System Voltage 12V Nominal
Turn ON Voltage 11.0V
Turn OFF Voltage 10.5V
Turn ON Delay 10 sec
Turn OFF Delay 2 sec
Max. Cont. Current 100 Amps
Max. Inrush Current 400 Amps
Standby Current < 5mA
Operating Current <0.1A
Dimensions 75 x 70 x 80mm
Weight 200g
Warranty 2 years
Standards CE, C-Tick, AS/NZS CISPR11:2004
Main Stud Torque 5-6.2 Nm

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