High‑performance Albright SW182B‑2 12 V DC reversing contactor, 150 A continuous with magnetic blowouts—ideal for EVs, industrial trucks, winches.
SW182B-2 Albright 150A 12V DC - CO - Motor Reversing Contactor
The SW182B-2 is a robust, continuous-duty motor reversing contactor from Albright, engineered for use in electric vehicles, industrial trucks, and heavy-duty DC applications. Designed to support prolonged current flow, this contactor is built with two SPDT units mounted on a common bracket, allowing for safe and reliable motor reversing.
Key Features
Voltage: 12V DC
Current Rating: 150A continuous
Configuration: Dual SPDT (motor reversing)
Duty Cycle: Continuous (CO)
Magnetic Blowouts: Included for arc suppression (polarity sensitive)
Main Terminals: M8 studs
Coil Terminals: 6.3 mm spade connectors
Mounting: Horizontal or vertical (studs up when vertical)
Technical Highlights
Silver alloy contact tips: Highly conductive, weld-resistant, and durable
Double-breaking main contacts: Ensures high performance and longevity
Failsafe reversing circuit: Prevents short circuit if both coils are powered simultaneously
Magnetic blowouts: Rapid arc quenching improves safety and extends contact life
Continuous-duty design: Optimized for drive functions with slow, stable switching under sustained loads
Usage Notes
Polarity Matters: Magnetic blowouts make contactors polarity-sensitive; follow ‘+’ markings
Interrupted Load Switching: Can increase resistance due to frequent arcing
Uninterrupted Load: Maintains low resistance and prolongs contact integrity
Ideal Applications
Electric drive systems
Forklifts and material handling equipment
Winches and traction systems
Battery-powered vehicles and tools
About the Continuous SW182B-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 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 energized 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 - 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 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.
Intermittent contactors by design are predominantly used for hydraulic functions on vehicles, they make and break quicker than continuous solenoids and are not recommended for prolonged contact periods.The SW200 has been designed for direct current loads, including motors as used on electric vehicles such as industrial trucks. Developed for both interrupted and uninterrupted loads, the SW200 is suitable for switching Resistive, Capacitive, and Inductive loads. The SW200 features single pole single throw, double-breaking main contacts with silver alloy tips, which are weld resistant, hardwearing, and have excellent conductivity. The SW200 has M10 stud main terminals and 6.3mm spade coil connections. It can be mounted via M5 tapped holes or steel mounting brackets - supplied as separate items). Mounting can be horizontal or vertical, when vertical the M10 contact studs should point upwards.
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 SW200 has been designed for direct current loads, including motors as used on electric vehicles such as industrial trucks. Developed for both interrupted and uninterrupted loads, the SW200 is suitable for switching Resistive, Capacitive, and Inductive loads. The SW200 features single pole single throw, double-breaking main contacts with silver alloy tips, which are weld resistant, hardwearing, and have excellent conductivity. The SW200 has M10 stud main terminals and 6.3mm spade coil connections. It can be mounted via M5 tapped holes or steel mounting brackets - supplied as separate items). Mounting can be horizontal or vertical, when vertical the M10 contact studs should point upwards.
SW200-22 12 volt DC coil with intermittent coil operation, these contactors by design are predominantly used for hydraulic functions on vehicles, they make and break quicker than continuous solenoids and are not recommended for prolonged contact periods.
The SW200 has been designed for direct current loads, including motors as used on electric vehicles such as industrial trucks. Developed for both interrupted and uninterrupted loads, the SW200 is suitable for switching Resistive, Capacitive and Inductive loads.
The SW200 features single pole single throw, double-breaking main contacts with silver alloy tips, which are weld resistant, hardwearing and have excellent conductivity. The SW200 has M10 stud main terminals and 6.3mm spade coil connections. It can be mounted via M5 tapped holes or steel mounting brackets - supplied as separate items). Mounting can be horizontal or vertical, when vertical the M10 contact studs should point upwards.
ALBRIGHT 24V 250A INT DC ContactorThe SW200-281, a SW200 series of contactor is designed for direct current loads. SW200 have double breaking main contacts with silver alloy tips. Contact tips are weld resistant, extremely hard wearing. Normally Open contacts.
Genuine SW200-336 ALBRIGHT 24V 250A CO DC - COntactor. The SW200-336, a SW200 series of contactor is designed for direct current loads. SW200 have double breaking main contacts with silver alloy tips. Contact tips are weld resistant, extremely hard wearinga
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 SW200 has been designed for direct current loads, including motors as used on electric vehicles such as industrial trucks. Developed for both interrupted and uninterrupted loads, the SW200 is suitable for switching Resistive, Capacitive, and Inductive loads. The SW200 features single pole single throw, double-breaking main contacts with silver alloy tips, which are weld resistant, hardwearing, and have excellent conductivity. The SW200 has M10 stud main terminals and 6.3mm spade coil connections. It can be mounted via M5 tapped holes or steel mounting brackets - supplied as separate items). Mounting can be horizontal or vertical, when vertical the M10 contact studs should point upwards.
Albright SW200A-11, 24 Volts DC 400 Amps single-acting contactor with magnetic blowouts and an auxiliary microswitch, continuous type coil is suitable for "main power" applications where on/off periods are long or always on.
Genuine SW200A-11 is Albright 24V 250A CO DC-type contactor. The SW200A-11 is a SW200 series of contactor is designed for direct current loads. SW200 have double breaking main contacts with silver alloy tips. Contact tips are weld resistant, extremely hard wearing.
This is equipped with Auxiliary contacts on the top.
SW200A-14 Albright 250A/400A 48V INT 1-pole 1-throw Contactor
Product Overview: SW200A-14
The SW200A-14 by Albright is a high-performance 1-pole, 1-throw contactor designed for applications requiring reliable current switching in DC circuits. With a 48V DC operational voltage and capable of handling 250A continuous and 400A intermittent currents, this contactor is ideal for various industrial and automotive applications, such as electric vehicles, forklifts, and battery-powered systems.
Key Features
High Current Capacity: Supports 250A continuous and up to 400A intermittent operations, ensuring robust performance in demanding environments.
Durable Design: Equipped with silver-alloy tips on the contacts, providing excellent wear resistance and preventing welding during high-current switching operations.
Double-Break Contacts: Ensures reliable disconnection even under heavy loads, improving overall safety.
Single Pole, Single Throw (SPST): Simple, reliable control for switching in your circuit.
48V DC Operation: Suitable for various DC applications, especially in high-voltage electric vehicle or industrial setups.
Applications
Electric Vehicles
Material Handling Equipment (e.g., forklifts, cranes)
Battery Management Systems
Solar Power Inverters
Industrial Automation
Technical Specifications
Current Rating: 250A (continuous), 400A (intermittent)
Voltage Rating: 48V DC
Contact Type: 1-pole, 1-throw (SPST)
Contact Material: Silver alloy, double-breaking
Mounting: Versatile, with multiple orientation options for flexible installation.
Benefits
The SW200A-14 ensures high reliability and efficiency in applications where frequent switching under load is required. Its hard-wearing silver-alloy tips and double-break design make it a durable and safe choice, providing peace of mind in your DC power control systems.
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 SW200 has been designed for direct current loads, including motors as used on electric vehicles such as industrial trucks. Developed for both interrupted and uninterrupted loads, the SW200 is suitable for switching Resistive, Capacitive and Inductive loads.
The SW200 features single pole single throw, double breaking main contacts with silver alloy tips, which are weld resistant, hardwearing and have excellent conductivity. The SW200 has M10 stud main terminals and 6.3mm spade coil connections. It can be mounted via M5 tapped holes or steel mounting brackets - supplied as separate items). Mounting can be horizontal or vertical, when vertical the M10 contact studs should point upwards.
Magnetic Blowouts These contactors are fitted with magnetic blowouts across the contact gaps as standard. 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 Intermittent - INT) SW201-241 Solenoids Intermittent contactors by design are predominantly used for hydraulic functions on vehicles, they make and break quicker than continuous solenoids and are not recommended for prolonged contact periods. The SW201 has M10 stud main terminals and 6.3mm spade coil connections. It can be mounted via M5 tapped holes or mounting brackets purchased as separate items. Mounting can be horizontal or vertical, when vertical the M10 contact studs should point upwards. Please note Normally Closed contacts are not suited to make and break load.
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).
Albright SW201A-14 24V DC CO
Genuine SW201A-14 Albright 24V Single Pole Double Throw Contactor. The SW201A-14, an SW201 series of contactors with - (A) auxiliary contacts fitted, has been designed for direct current loads, including motors as used on electric vehicles such as industrial trucks.
Coil type: Continuous energization
About the Continuous SW202-60 Reversing Contactors
Continuous contactors by design are predominantly for drive functions on vehicles; they switch slower than intermittent solenoids and are recommended for prolonged contact periods.
The SW202 is a configuration of two 'Single Pole, Double Throw' type contactors on a common bracket for motor reversing. The SW202 features single pole double breaking main contacts with silver alloy tips, which are weld resistant, hardwearing and have excellent conductivity.
The SW202 main contact circuit, designed for motor reversing, is such that it has a built-in failsafe, so that if both coils are energized simultaneously the contact arrangement is open circuits.
The SW202 has M10 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 M10 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 (normally noted ad B, but these SW200/SW202-series have B as standard)
These contactors are fitted with magnetic blowouts across contact gaps as standard. 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.
Albright SW560A-38M 24V Magnetically Latched Contactor (INT.)
Albright International SW560A-38M is a 24 Volt single-pole, single-throw (SPST)
magnetically latched solenoid contactor, intermittent rated, supplied with auxiliary microswitch.
The SW560A is designed for telecommunications and power distribution applications
where an uninterrupted current load is switched. These contactors are primarily
intended for Direct Current (DC) loads but may also be used with Alternating Current (AC).
Key Features
24V coil voltage
Single-pole, single-throw (SPST)
Magnetically latched design
Intermittent duty (INT.)
Auxiliary microswitch fitted
Double-breaking main contacts
Silver-alloy contact tips – weld-resistant and high conductivity
Silver-plated main contacts (standard)
Special operating knob and extension fitted
Yellow warning label fitted
About Intermittent (INT.) SW560A Solenoids
Intermittent contactors are typically used for hydraulic functions on vehicles.
They make and break faster than continuous duty solenoids and are not recommended
for prolonged contact periods.
Magnetic Latching Function
The contact position is secured using a permanent magnet within the assembly.
The coil requires a pulse to close the contacts and a reverse-polarity pulse
to open them. Once operated, the contactor remains in its last energised state
without requiring continuous power.
Please note: magnetically latched contactors are not failsafe devices.
Mounting Information
The SW560A is a compact contactor that can be busbar-mounted vertically or horizontally.
If mounted vertically, the coil should be positioned at the bottom.
Auxiliary Microswitch
This version includes an auxiliary microswitch mounted on the top cover.
The auxiliary contact connection is triggered by coil energising.
Uninterrupted Current Applications
Suitable for applications with no or infrequent load switching requirements,
helping to maintain lower contact resistance over time.
Associated Parts (Recommended)
2155-165 Vertical mounting bracket (2 pcs recommended)
2065-167A Horizontal mounting bracket kit (1 pc recommended)
Technical Specifications
Device Type: NO – SP – ST Latching
Voltage: 24V D.C.
Coil Type: Intermittent
Thermal Current Rating: 600A
Application: Uninterrupted
Guideline Weight: 1.1 kg
Operating Ambient Temperature: -40°C to +60°C
Coil Data
Coil Resistance: 17 Ω
Pull-In Voltage: 17.0V (Maximum)
Drop-Out Voltage: 17.0V (Maximum)
Coil Power Dissipation: 33.88 W
Typical Pull-In Time: 30 ms
Electrical Performance
Voltage Drop per Pole (New Contacts at 600A): < 50 mV
Intermittent Current Rating
30% Duty: 1095A
40% Duty: 950A
50% Duty: 850A
60% Duty: 775A
70% Duty: 715A
12V 80A Intermittent SW60 solenoid relay
Intermittent contactors by design are predominantly used for hydraulic functions on vehicles, they make and break quicker than continuous solenoids and are not recommended for prolonged contact periods.
The SW60 features single pole double breaking main contacts with silver alloy tips, which are weld resistant, hardwearing and have excellent conductivity. The SW60 has M6 stud main terminals and 6.3mm spade coil connections. It can be mounted via M4 tapped holes or steel mounting brackets - supplied as separate items). Mounting can be on the side or base of the contactor.
Albright DC contactors and solenoids for industrial, mobile, marine, material-handling and OEM applications. Browse the range by current rating, coil voltage, duty and contactor series.
