BATTERY DISCONNECT SWITCH / BATTERY MASTER SWITCH / VEHICLE BATTERY CONTROL

ASW-A720S 600A Battery Selector Switch

DAIERTEK ASW-A720S is a rotary battery selector switch specified for 600 A working current and 2,500 A cranking current at 12 V DC, with a 12-48 V DC operating range. The body measures 102 x 102 x 90 mm, with 3 x M10 terminal studs and 1 / 2 / BOTH / OFF operation. The selector connects one common load to battery 1, battery 2 or both inputs; OFF disconnects the common load. Surface or recessed mounting supports vehicle auxiliary-power installations. Current ratings are reduced by 50% at 24 V DC. The product is supplied for automotive aftermarket distributors and vehicle equipment assembly programs.

600 A at 12 V DC

Working Current

2,500 A at 12 V DC

Cranking Current

12-48 V DC

Operating Voltage

3 x M10

Terminal Studs

Product Details

  • 01 Working and cranking current ratings

    The working current rating is 600 A and the cranking current rating is 2,500 A at 12 V DC. Current ratings are reduced by 50% at 24 V DC. The operating voltage range is 12-48 V DC.

  • 02 Three-terminal battery selection

    The selector connects one common load to battery 1, battery 2 or both inputs; OFF disconnects the common load. The connection specification is 3 x M10.

  • 03 Defined body dimensions and installation

    The body measures 102 x 102 x 90 mm. Surface or recessed mounting supports vehicle auxiliary-power installations.

Specifications

Model ASW-A720S
Product Type 600A Battery Selector Switch
Mounting Surface or recessed
Working Current 600 A at 12 V DC
Cranking Current 2,500 A at 12 V DC
Operating Voltage 12-48 V DC
Current Derating Current ratings at 24 V DC are 50% of the stated 12 V DC values
Dimensions 102 x 102 x 90 mm
Switching Function 1 / 2 / BOTH / OFF
Terminal Configuration Three terminals
Terminal Studs 3 x M10

Applications for ASW-A720S

Bus Bars — 250 A Continuous at 12 V DC, 48 V DC Maximum voltage, 4x M8 Studs per bus bar

Dual Battery Accessory Systems

Manual selection between two battery feeds for the common accessory load.

Bus Bars — 250 A Continuous at 12 V DC, 48 V DC Maximum voltage, 4x M8 Studs per bus bar

RV and Vehicle Auxiliary Power

A local battery-control point in compatible auxiliary-power layouts.

Bus Bars — 250 A Continuous at 12 V DC, 48 V DC Maximum voltage, 4x M8 Studs per bus bar

Vehicle Equipment Integration

A dedicated selector interface for the corresponding battery wiring arrangement.

Bus Bars — 250 A Continuous at 12 V DC, 48 V DC Maximum voltage, 4x M8 Studs per bus bar

Aftermarket and Private-Label Programs

A repeatable product platform for distributors and qualified OEM projects.

Install with cable sizes, ring terminals and circuit protection appropriate to the connected load. Short-duration current ratings describe carrying capacity; they do not establish short-circuit protection or permission to disconnect a running engine.

Technical information for ASW-A720S

Request dimensional drawings, terminal details and installation information for ASW-A720S. Logo marking and packaging options are available for wholesale and OEM programs.

Request Technical Documents

Bus Bars — 250 A Continuous at 12 V DC, 48 V DC Maximum voltage, 4x M8 Studs per bus bar
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