SD150A-30 Albright Emergency Stop Switch with Auxiliary 24V Maximum
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Back ordering available.
Part Number: SD150A-30
Voltage: 12V/24V DC
Pre-order and back ordering is available with a 6 to 8 week lead time. Telephone: +44 (0) 1924 823119 or Email us to discuss further requirements.
Heavy duty emergency battery disconnect switch with auxiliary.
- Rated at 150A, 24V DC maximum current.
- Single pole.
- Internal fixing screws at 48mm centres.
- Two M8 hex bolts for battery cable fixing.
- 25mm diameter shaft clearance or panel hole.
- Total height including button: 148mm.
Body Beneath Panel Hole Dimensions
- Width: 61mm.
- Depth: 44mm.
- Depth including cable bolts approximately: 62mm.
About the Albright SD150 Emergency Stop Switch
Typically used on 12 volt and 24 volt dc systems as emergency stop or kill switch.
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 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.
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.
|Uninterrupted current - no or infrequent load switching requirements (maintains a lower contact resistance). |
|Application ||Uninterrupted |
|Device Type ||SP On-Off with Manual Disconnect |
|Thermal Current Rating (Ith) ||150 amp |
|Intermittent Current Rating ||30% Duty 275A |
40% Duty 235A
50% Duty 210A
60% Duty 195A
70% Duty 180A
|Typical Voltage Drop per pole |
across New Contacts at 100A
|Operating Ambient Temperature ||-40 to +60℃ |
|Weight ||570g |
Free UK Mainland Postage and Packaging
Free UK Mainland delivery discount is selectable on your shopping cart page; a £50.00 minimum order value is applicable for the Free Delivery Service, with a variable low Standard Rate shipping charge for smaller consignments.
Despatch methods for Standard and Free UK Delivery Service include light, low-value orders despatched via Royal Mail standard or recorded delivery, with large and high-value orders despatched via UPS and Parcel Force courier services.
International orders and consignments require the exact Card Holder Address (Invoicee) as the first address for payment processing. PO Box addresses are not acceptable as delivery addresses by some couriers.
Export orders will only be accepted when placed online.
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