Albright International

ED150

EMERGENCY DISCONNECT

The ED150 range of switches have been designed to provide a rapid means of disconnecting batteries or other power supplies in the event of serious electrical faults. 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 ED150 is a manually operated device with a simple over-centre spring mechanism which provides a snap action for both opening and closing of the main contacts. The ED150 is easy to install (see drilling details) and is secured with supplied M5 posidrive mounting screws.

Precautions:

When fitted with magnetic blowouts the polarity marked on the contact housing must be observed when connecting the main terminals. Ensure that the switches are installed in a position where heavy arcs emanating from the switch cannot damage or electrically jump across to adjacent parts. The switch is to be used to rupture current in an emergency or as a no-load isolator.

Do not use as a regular On-Load Switching Device.

 

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The ED150 has the following optional components available :

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Technical Information

Application Interrupted Uninterrupted
Thermal Current Rating 150A 150A
Intermittent Current Rating:
30% Duty 275A 275A
40% Duty 235A 235A
50% Duty 210A 210A
60% Duty 195A 195A
70% Duty 180A 180A
Rated Fault Current Breaking Capacity (Icn) 5ms Time Constant: (In accordance with UL583*)
Blowouts 1000A at 96V D.C.
No Blowouts 1000A at 48V D.C.
Rated Fault Current Breaking Capacity (Icn) Resistive Load: (In accordance with UL508*)
Blowouts -
No Blowouts -
Maximum Recommended Contact Voltages
Blowouts 96V -
No Blowouts 48V -
Typical Voltage Drop per pole across New Contacts at 150A 40mV
Mechanical M.T.B.F >10000 Operations
Coil Voltage Available (Us) (Rectifier board required for A.C.) 0 - 0V

Features

Component Configurations
Auxiliary
Auxilary---Standard
STANDARD
Auxilary---Gold
STANDARD - GOLD

Downloads

Resources
ED150 Catalogue Sheet Download
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