Albirght International   D.C. Solenoid Switches and Contactors
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SW200 - 250 A - SP ST NO

The SW200 series of contactors has been designed for direct current loads, particularly motors as used on electric vehicles such as industrial trucks, airport tractors, and such like.

They have double breaking main contacts with silver alloy contact tips, which are weld resistant, hard wearing and have excellent conductivity.

Compact Size: The contactors are compact in size and are fully serviceable with a full range of spare parts available.

Installation: Mounting is by means of 5mm tapped holes in the switch frame together with a range of mounting brackets complete with screws and washers.

Operating Coils: Available with 6-240v DC coils, coil connections are by means of 6mm spades of which two are supplied per terminal.

Magnetic Blowouts: Fitting of magnetic blowouts make the polarity sensitive and the positive markings on the top cover of the contactor must be observed. Suffix 'B' denotes the fitting of magnetic blowouts.

Auxiliary Contact: Denoted by 'A', a double circuit normally open, normally closed microswitch auxiliary contact can be fitted, ratings as shown below.
SW200 Technical Data
Main Contact Configuration
SP ST NO
STUD, M10
Thermal Current Rating 100%
  250A
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 1500A at 96V D.C.
Maximum Recommended Contact Voltages
(INDUCTIVE Load)
Without Blowouts 48V D.C.
With Blowouts 96V D.C.
Typical Voltage Drop Across Contacts per 100A
Normally Open 40mV
Mechanical Life
  >5 x 106
Coil power dissipation
Very Intermittent (HO) 60-80 Watts
Intermittently rated types(INT) 30-60 Watts
Prolonged rated types (PO) 21-30 Watts
Continuously rated types (CO) 13-21 Watts
Maximum pull-in voltage
Intermittently rated types 60%V
Continuously rated types 66%V
Typical drop-out voltage
  10-20%
Typical pull-in time
(n/o contacts to close) 40ms
Typical drop-out time
(n/o contacts to open)  
Without suppression 10ms
With diode suppression 100ms
With diode and resistor (depending on value) 30ms
Typical contact bounce period
  3ms
Auxiliary contact thermal current rating
  5A
Auxiliary Contact Switching Capacities (Resistive Load)
5A at 24V D.C.
2A at 48V D.C.
0.5A at 240V D.C.
Typical Weight
1350gms
Recommended Mounting Orientation
Horizontal or Vertical, if vertical coil at bottom.
 
Available Options
General
Auxiliary Contacts
Magnetic Blowouts
Mounting Brackets
Closed Contact Housing
Environmentally Protected
EE Type (steel shroud)
Contact
Large Tips
Textured
Coil
Flying Leads
M5 Terminal Board
Coil Suppression
AC Rectifier Board Fitted
 
Key
Standard
Optional
Not Available
 
 
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Please Note: All performance data provided should be used as a guide only. Some derating or variation from these figures may be necessary according to type and application
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