SW88B-4 Albright Double Acting Reversing Solenoid 24V Continuous

£74.36  Excl. VAT
  (£89.23 Inc. VAT)


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Pre-order
Despatch: 6 to 8 weeks.

Weight:  1.01kg


Model:  SW88B-4
Part Number:  SW88B-4
Brand:  Albright
Colour:  Black
Voltage:  24V DC
Amperage:  100A
Material:  Copper/Silver/Bakelite
Coil type:  Continuous

Pre-order and back ordering is available with a 6 to 8 week lead time. Telephone: +44 (0) 1924 823119 or Email us to discuss further requirements.


 SW88B-4 double acting strapped pair solenoid contactor 24V continuous.

  • Double acting strapped pair 24 volt dc contactor for motor reversing.
  • The SW88 series of contactors has been designed for direct current loads, particularly motors as used on small electric vehicles such as light industrial trucks, powered invalid cars, etc.
  • The contactors are compact in size and are fully serviceable, with a range of spare parts available.
  • Repair contact kit part number: 2070-151.
  • Auxiliary switch kit part number: 2070-124 (1 kit does 1 x coil).

Dimensions

  • Height including terminals and coil base cap: 94mm.
  • Coil width including bars: 119mm.
  • Cap width: 2 x 39mm.
  • Total depth including bracket: 55mm.

About the Continuous SW88B-4 Reversing Contactors

 Continuous contactors by design are predominantly for drive functions on vehicles; they make and break slower than intermittent solenoids, and are recommended for prolonged contact periods.

 The SW88B is a configuration of two SW84B type contactors on a common bracket for motor reversing. The SW88B features single pole double breaking main contacts with silver alloy tips, which are weld resistant, hard wearing and have excellent conductivity.

 The SW88B main contact circuit, designed for motor reversing, is such that it has a built in failsafe, so that if both coils are energised simultaneously the contact arrangement is open circuits.

 The SW88B has M8 stud main terminals and 6.3mm spade coil connections. Mounted using the supplied bracket, mounting of the solenoids can be horizontal or vertical, when vertical the M8 contact studs should point upwards.

Interrupted current - opening and closing on load with frequent switching (results in increased contact resistance).
Uninterrupted current - no or infrequent load switching requirements (maintains a lower contact resistance).

Magnetic Blowouts

 These contactors are fitted with magnetic blowouts (denoted by 'B' suffix in the SW88B range) across contact gaps. These enable high currents to be ruptured very quickly so that arcing time is reduced to a minimum. Fitting of blowouts can make the contacts polarity sensitive and the positive markings on the top cover of the contactor must be observed.

Specifications

Device Type SW88B, 2 x SW84B type contactors on a common bracket
Voltage 24V D.C.
Coil Type Continuous
Amps 100A
Coil Power Dissipation 7 - 13 Watts
Typical Pull-In Time 20ms
Typical Voltage Drop per pole
across New Contacts at 100A
Normally Open: 40mV
Normally Closed: 50mV
Operating Ambient Temperature -40 to +60℃
Guideline Weight 960kg
Application Uninterrupted
Thermal Current Rating 100A
Intermittent Current Rating:
30% Duty 185A
40% Duty 160A
50% Duty 140A
60% Duty 130A
70% Duty 120A

 

Free UK Mainland Postage and Packaging

Delivery Options Free UK Mainland delivery discount is selectable on your shopping cart page; a £50.00 minimum order value is applicable for the Free Delivery Service, with a variable low Standard Rate shipping charge for smaller consignments.
 Despatch methods for Standard and Free UK Delivery Service include light, low-value orders despatched via Royal Mail standard or recorded delivery, with large and high-value orders despatched via UPS and Parcel Force courier services.

International Consignments

 International orders and consignments require the exact Card Holder Address (Invoicee) as the first address for payment processing. PO Box addresses are not acceptable as delivery addresses by some couriers.
 Export orders will only be accepted when placed online.


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