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The Big Switch with Lock-Out and XL Terminals


The Big Switch Batterty Shut-off Switch with Lock-Out and XL Terminals.

Please note - this part has superseded part # FR1005

The Big Switch is a heavy-duty Battery Disconnect Shut-off Switch with increased terminal space rated at 250 Amps continuous service and 2500 Amps for 5 second intervals (12V/24V). The Big Switch is manufactured with silver plated electrical contacts and with a completely sealed, waterproof design, is able to withstand the most severe operating conditions.

We back the quality of this switch with a three (3) year warranty. This Big Switch comes with a lock-out bracket which enables a padlock to be inserted in the "OFF" position to comply with OSHA lock-out/tag-out regulation 1910.147. This prevents theft and accidental activation during equipment maintenance.


Part No. FR1044
Max Continuous Current 250 Amps
Max Surge Current 2,500 Amps (5 seconds)
Environmental Protection Rating IP65
Water Resistant Yes
Operating Temperature Range -40°C to +80°C / -40°F to +176°F
Contact Terminals Silver-Plated Copper
Contact Hardware Nickel-Plated Brass


Note: Terminals on battery disconnect switch are a live part of the electrical system and should be treated just like battery terminals. Covers are recommended, but not included. Contact vehicle manufacturer to determine proper placement and suitability to your application.

More Information
Weight 2.000000
Shipping Dimensions 3" x 7" x 8"
Warranty 3 Year
FR1044 Datasheet Rev A
FR1044 The Big Switch Instructions Rev A
! California Warning: Cancer & Reproductive Harm –