DC182B-839 Albright 72-80V DC Continuous Motor-reversing Solenoid Contactor
Weight: 1.86 kg
Bar Code: DNA
Part Number: DC182B-839
Voltage 72-80V DC
Coil type Continuous
Pre-order and back-ordering is available with a current 9 to 12 weeks despatch. Telephone: +44 (0) 1924 823119 or Email us to discuss further requirements.
Albright's DC182B-839, 72 to 80 Volts DC motor-reversing solenoid contactor with magnetic blowouts.
- The DC182B 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, hardwearing and have excellent conductivity.
- The DC182 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.
- 2159-39 Albright DC182 Solenoid Mounting Bracket.
- 2155-165 Albright Large Solenoid L-Shape Mounting Bracket (requires 2x)
These contactors are fitted with magnetic blowouts (denoted by 'B' suffix in the DC182B 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.
About The DC182B-839 Motor Reversing Solenoid
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 DC182 is a monoblock construction, resulting in a neat compact design that is compatible with modern electronic control systems. The DC182 is physically and electrically interchangeable with the SW182 reversing contactor but rewiring will be required.
This version of the DC182 has M8 stud main terminals and 6.3mm spade coil connections. Mounted using brackets available separately via the M5 mounting holes (16 off, 8 per side), 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). |
|Device Type ||DC182B SPDT NO |
|Voltage ||72-80V D.C. |
|Coil Type ||Continuous |
|Amps ||150A |
|Coil Resistance (Ohms) ||427 |
|Pull-In Voltage (V) ||53.0 Maximum |
|Drop Out Voltage (V) ||18.0 Maximum |
|Coil Power Dissipation (W) ||12.14 |
|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℃ |
|Guideline Weight ||1.66kg |
|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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