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Emergency Disconnect

EMERGENCY DISCONNECT ED402 DOUBLE POLE

The ED402 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 ED402 is a manually operated device with an over-centre spring mechanism which provides a snap action for both opening and closing of the main contacts.  The ED402 is easy to install (see drilling details) and is secured with supplied M5 posidrive mounting screws. The ED402 is fully serviceable with genuine replacement parts available.

Precautions:

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.

  • Product Detail
Application
InterruptedRating ( Ith )Uninterrupted
Thermal Current Rating - 400A
Intermittent Current Rating:
30% Duty - 730A
40% Duty - 630A
50% Duty - 565A
60% Duty - 515A
70% Duty - 480A
Rated Fault Current Breaking Capacity (Icn) 5ms Time Constant:
Blowouts -
No Blowouts 1500A at 48V D.C.
Rated Fault Current Breaking Capacity (Icn) Resistive Load:
Blowouts -
No Blowouts -
Maximum Recommended Contact Voltages
Blowouts - -
No Blowouts - 96V
Typical Voltage Drop per pole across New Contacts at 400A 30mV
Mechanical Durability > 10,000 Cycles
Coil Voltage Available (Us) (Rectifier board required for A.C.) 0 - 0V

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