Mounting is by means of 5mm tapped holes in the switch frame together with a range of mounting brackets complete with screws and washers.
Main Contact Configuration
SP ST NO
Thermal Current Rating 100%
Intermittent Current Rating
30% Duty 450A
40% Duty 390A
50% Duty 360A
60% Duty 320A
70% Duty 300A
Typical fault currents which can be ruptured
(5ms time constant)
Without Blowouts 1500A at 48V D.C.
With Blowouts 2500A at 48V D.C.
With Blowouts 1500A at 80V D.C.
Maximum Recommended Contact Voltages
Without Blowouts 48V D.C.
With Blowouts 96V D.C.
Typical Voltage Drop Across Contacts per 100A
Normally Open 40mV
>5 x 106
Coil power dissipation
Very Intermittent (HO) 40-50 Watts
Intermittently rated types(INT) 30-40 Watts
Prolonged rated types (PO) 15-30 Watts
Continuously rated types (CO) 10-15 Watts
Maximum pull-in voltage
Intermittently rated types 60%V
Continuously rated types 66%V
Typical drop-out voltage
Typical pull-in time
(n/o contacts to close) 30ms
Typical drop-out time
(n/o contacts to open)
Without suppression 8ms
With diode suppression 60ms
With diode and resistor (depending on value) 25ms
Typical contact bounce period
Auxiliary contact thermal current rating
Auxiliary Contact Switching Capacities (Resistive Load)
5A at 24V D.C.
2A at 48V D.C.
0.5A at 240V D.C.
Recommended Mounting Orientation
Horizontal or Vertical, if vertical coil at bottom.