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SW400C-66 Albright 24V 400A Busbar Contactor With Auxiliary - Continuous

£85.67 Excl. VAT
(£102.80 Inc. VAT)
Earn 85 Loyalty Points
Despatch: 8 to 10 Weeks
Bar Code
Part Number
24V DC
Coil type
880 g

 Pre-orders and back-ordering are available for all Albright brand out-of-stock items, with a current lead time of approximately 8 to 10 weeks despatch.

  • Ordering more Albright brand products than is shown in stock will put your order into a backorder process.
  • Request "Ship all available" in the order comments section if you order more units than are available.

 Telephone: +44 (0) 1924 823119 or Email us to discuss further requirements.

 Albright International SW400C-66 24 volts single-pole, single-throw continuous use solenoid contactor with auxiliary microswitch.

  • The SW400 is designed for use in telecommunications and power distribution applications where an uninterrupted current load is switched.
  • These contactors are primarily for use with Direct Current loads but can also be used with Alternating Currents.
  • The SW400 features double-breaking main contacts with Silver-alloy tips which are weld resistant, hardwearing and have excellent conductivity.
  • Silver plating on the main contacts is standard for the SW400.
  • Due to their configuration, the SW400 contactors are deemed non-serviceable, therefore contact kits are not available.
  • V3 microswitch fitted.


  • Height including terminals and coil base cap: 98mm.
  • Coil width: 45mm.
  • Cap width: 57mm.
  • Cap and fixed contact total width: 128mm.
  • Fixed contact depth: 50mm.

Associated Parts

  • 2155-165 Vertical mounting bracket single (2 x recommended)
  • 2065-167A Horizontal mounting bracket kit (1 x recommended)

About Continuous (CO.) SW400 Solenoids

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

 The SW400 is a compact contactor that can be busbar mounted vertically or horizontally, if mounted vertically the coil should be at the bottom.

Uninterrupted current - no or infrequent load switching requirements (maintains a lower contact resistance).


Device Type SW400 SPST NO
Voltage 24Vdc
Coil Type Continuous
Amps 600 amp
Coil Resistance (Ohms) 54
Pull-In Voltage (V) 16.0 Maximum
Drop Out Voltage (V) 6.0 Maximum
Coil Power Dissipation (W) 10.87
Typical Pull-In Time 15ms
Typical Voltage Drop Per Pole
Across New Contacts At 400A
Less than 50mV
Operating Ambient Temperature -40 to +60℃
Weight 880g
Application Uninterrupted
Thermal Current Rating 400A
Intermittent Current Rating:
30% Duty 730A
40% Duty 630A
50% Duty 565A
60% Duty 515A
70% Duty 480A


UK Mainland Postage Offer

Delivery Options Our Free UK Mainland Postage and Packaging Service offers unbeatable value for money. The free UK Standard shipping is automatically applied to your shopping cart page with no additional cost when you reach the £50.00 minimum order value.

 We use Royal Mail Standard or Recorded Delivery for light, low-value orders and we use FedEx, UPS, Parcel Force, and other major courier services for larger and more valuable consignments.

International Consignments

 Our international customers will need to provide the exact Card Holder Address (Invoicee) as the first address for payment processing. Please note that PO Box addresses are not acceptable as delivery addresses by some couriers. All export orders must be placed and paid for online. Proforma Bank Transfer IBAN and SWIFT payment methods are available to create online.

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