SU280-1240 Albright Single-acting 24V 250A Contactor - Highly Intermittent

£74.03  Excl. VAT
  (£88.84 Inc. VAT)
 Excl. VAT

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Pre-order
Despatch: 9 to 12 Weeks

Weight:  750 g





Model:  SU280-1240
Bar Code:  DNA
Part Number:  SU280-1240
Brand:  Albright
Colour:  Black
Voltage:  24V DC
Amperage:  250A
Material:  Copper/Silver/Bakelite/Steel
Coil type:  Highly Intermittent

Pre-order and back-ordering is available for all Albright out-of-stock items, with a current 9 to 12 weeks despatch.
Telephone: +44 (0) 1924 823119 or Email us to discuss further requirements.


 Albright SU280-1240 single-acting 24Vdc 250 Amps solenoid contactor, highly intermittent (HO).

  • The SU280 series of contactors has been designed for direct current loads, particularly motors as used on small electric vehicles such as industrial trucks, airport tractors, etc., they have double-breaking contacts with Silver-alloy contact tips, which are weld resistant, hardwearing and have excellent conductivity.

Associated Products

  • 2156-184 Contact kit
  • 2155-352 Auxiliary switch kit.
  • 2159-47 Mounting bracket.
  • 2155-165 Mounting bracket.
  • 2159-167A Mounting bracket.

Dimensions

  • Height including terminals and coil base cap: 132mm.
  • Coil width: 45mm.
  • Cap width: 67mm.
  • Cap depth: 47mm.

About Highly Intermittent (HO.) SU280 Solenoids

 Highly Intermittent Services up to 25% duty cycle and up to 3 minutes continuous energisation. The higher power in the coil allows for a stronger return spring to be used, giving good switching characteristics.

 The contactors have double-breaking main contacts with Silver-alloy tips, which are weld resistant, hardwearing and have excellent conductivity. They are easy to install, with M5 tapped holes in the switch frame together with a range of available mounting brackets. Mounting can be vertical or horizontal, when vertical the M10 contact studs should point upwards

Interrupted Current: The opening and closing on load with frequent switching (resulting in increased contact resistance).
Uninterrupted Current: No or infrequent load switching requirements (maintains a lower contact resistance).

Specifications

Device Type SPST NO
Voltage 24V D.C.
Coil Type Highly Intermittent
Amps 250 Amps
Coil Resistance (Ohms) 13
Pull-In Voltage (V) 14.5 Maximum
Drop Out Voltage (V) 6.0 Maximum
Coil Power Dissipation (W) 44.31
Typical Pull-In Time 30ms
Typical Voltage Drop Per Pole
Across New Contacts At 100A
40mV
Operating Ambient Temperature -40 to +60℃
Weight 755g
Application Interrupted Uninterrupted
Thermal Current Rating 250A 350A
Intermittent Current Rating:
30% Duty 450A 640A
40% Duty 395A 555A
50% Duty 355A 495A
60% Duty 325A 450A
70% Duty 300A 420A

 





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