SW182B-2 Albright Double-acting Motor-reversing Solenoid 12V Continuous
£155.84 Excl. VAT (£187.01 Inc. VAT)
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Despatch: 9 to 12 Weeks
Weight: 1.83 kg
Bar Code: DNA
Part Number: SW182B-2
Voltage: 12V DC
Coil type: Continuous
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.
SW182B-2 double-acting strapped pair solenoid contactor 12V continuous.
- Double-acting strapped pair 12-volt dc contactor for motor reversing.
- The SW182 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.
- The contactors are compact in size and are fully serviceable, with a range of spare parts available.
- Repair contact kit part number: 2180-44.
- Auxiliary switch kit part number: 2180-796 (1 kit does 1 x coil).
- Height including terminals and coil base cap: 121.5mm.
- Coil width including bars and bracket: 124.5mm.
- Cap width: 2 x 40mm.
- Total depth including bracket: 66mm.
About The Continuous SW182B-2 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 SW182B is a configuration of two 'Single Pole, Double Throw' type contactors on a common bracket for motor reversing. The SW182B features single pole double-breaking main contacts with Silver-alloy tips, which are weld resistant, hardwearing and have excellent conductivity.
The SW182B 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 SW182B 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: 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). |
These contactors are fitted with magnetic blowouts (denoted by 'B' suffix in the SW182B 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.
|Device Type ||SW182B - Paired SPDT Contactor |
|Voltage ||12V D.C. |
|Coil Type ||Continuous |
|Amps ||150A |
|Coil Power Dissipation ||10 - 15 Watts |
|Typical Pull-In Time ||30ms |
|Typical Voltage Drop Per Pole |
Across New Contacts At 100A
|Normally Open: 30mV |
Normally Closed: 40mV
|Operating Ambient Temperature ||-40 to +60℃ (guide) |
|Guideline Weight ||1.68kg |
|Application ||Uninterrupted |
|Thermal Current Rating ||150A |
|Intermittent Current Rating: |
|30% Duty ||275A |
|40% Duty ||240A |
|50% Duty ||225A |
|60% Duty ||200A |
|70% Duty ||180A |
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