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Albright Emergency Disconnect Switch

Model: SD150A-26, with auxiliary contact

6.3mm (1/4") Spade Terminal

Overview

The SD150 has been designed to provide a rapid means of disconnecting batteries or other power supplies in the event of serious electrical faults.

The SD150 combines the dual function of a manual disconnect and coil operated line contactor. The benefits of this design include compact size and reduced installation costs combined with an electrical capacity sufficient for small and medium size electric vehicles.

Whilst the switches are primarily intended for use with battery powered vehicles, they are also suitable for use with static power systems. All types are capable of safely rupturing full load battery currents in the event of an emergency.

The operation of the switch is such that with the operating knob depressed i.e. in the “off” position, no electrical functions can take place. However, if the knob is in the “On” position, the option of energising the coil and thus closing the main contacts becomes available. The coil energisation can be carried out either through the vehicle keyswitch or as a result of a signal from the vehicle electronic controller. When used as an emergency battery disconnect switch, manually depressing the operating knob will override the energised coil such that the main contact and the auxiliary contact (where fitted) will open until such time as the knob is again moved to the “on” position.

Specifications:

• Model: SD150A-26 (The suffix “A” indicates the fitting of auxiliary contacts.)
• Working voltage: 24V
• Ambient temperature: –40°C to +80°C
• 6.3 mm (0.25" or 1/4") spade terminals for auxiliary contact
• Net weight: 0.57 kg

Dimensions:

For more Albright contactor models, please click to download the Albright DC Contactor Model List (PDF format).

Albright Emergency Disconnect Switch

Model: SD150A-26, with auxiliary contact

Overview

The SD150 has been designed to provide a rapid means of disconnecting batteries or other power supplies in the event of serious electrical faults.

The SD150 combines the dual function of a manual disconnect and coil operated line contactor. The benefits of this design include compact size and reduced installation costs combined with an electrical capacity sufficient for small and medium size electric vehicles.

Whilst the switches are primarily intended for use with battery powered vehicles, they are also suitable for use with static power systems. All types are capable of safely rupturing full load battery currents in the event of an emergency.

6.3mm (1/4") Spade Terminal For Auxiliary Contact

The operation of the switch is such that with the operating knob depressed i.e. in the “off” position, no electrical functions can take place. However, if the knob is in the “On” position, the option of energising the coil and thus closing the main contacts becomes available. The coil energisation can be carried out either through the vehicle keyswitch or as a result of a signal from the vehicle electronic controller. When used as an emergency battery disconnect switch, manually depressing the operating knob will override the energised coil such that the main contact and the auxiliary contact (where fitted) will open until such time as the knob is again moved to the “on” position.

Specifications:

• Model: SD150A-26 (The suffix “A” indicates the fitting of auxiliary contacts.)
• Working voltage: 24V
• Ambient temperature: –40°C to +80°C
• 6.3 mm (0.25" or 1/4") spade terminals for auxiliary contact
• Net weight: 0.57 kg

Dimensions:

For more Albright contactor models, please click to download the Albright DC Contactor Model List (PDF format).