Product Type: Contactors

DCNLR Series – High Voltage DC Contactors

Ideal for safely disconnecting DC energy sources in 48V applications that require continuous run time, the DCNLR Series 60V DC Max Contactor Relay features an IP67 rating for protection against water and dust common in harsh environmental conditions. The remote-operated contactor has a space-saving design and can be easily installed in any orientation, making it simple to incorporate into battery electric vehicles (BEV), hybrid electric vehicles (HEV), material handling equipment, telecom power supplies, battery energy storage systems, construction machinery, heavy-duty trucks, buses, and more. Configurations of the DCNLR Series remote DC contactor come with a continuous current rating of either 100A or 200A. The 200A DCNLR Series contactor models feature a 12V, 24V, 48V, or 60V coil, while the 100A models are available with a 12V, 24V, or 48V coil.

Features & Benefits

  • Available with a continuous current rating of 100A or 200A
  • Thermoplastic housing and an IP67 rating enable use in harsh automotive environments and heavy equipment applications
  • Remote-operated, space-saving design can be easily mounted in any orientation
  • Main contacts are rated for 48V (typical) and 60V (max)
  • Common coil voltage options of 12V, 24V, 48V, and 60V
  • Non-polarized copper alloy main contacts
  • Integral coil suppression

Applications

  • Battery Electric Vehicles
  • Hybrid Electric Vehicles
  • Material Handling Equipment
  • Telecom Power Supplies
  • Battery Energy Storage Systems
  • Construction Machinery
  • Heavy-Duty Trucks
  • Buses

Click here for a datasheet.

DCNLM Series – High Voltage DC Contactors

The DCNLM Series 48V High-Current DC Contactor Relay is available with up to 400A contact switching capability as well as multiple coil voltage options to suit a wide variety of stationary applications, including use in electrical control systems for communication power supplies, industrial machines, and uninterruptible power supplies (UPS).

The DCNLM normally open, high-current DC contactor features 48V non-polarized main contacts and is available in single-coil and double-coil configurations.

Features & Benefits

  • Available with up to 400A contact switching capability
  • Main contacts are rated for 48V (typical) and 60V (max)
  • Coil voltage options include 12V, 24V, 48V, and 60V
  • Available in single-coil and double-coil configurations
  • Normally open, monostable relay design
  • Non-polarized main contacts

Applications

  • Communication Power Supplies
  • UPS

Click here for a datasheet.

DCNLB Series – High Voltage DC Contactors

Designed for the electric control systems of communication power supplies, uninterruptible power supplies (UPS), engineering machines, and more, the DCNLB Series 48V High-Current DC Contactor Relay is a normally closed relay that is available in single-coil and double-coil configurations. The high-current contactor relay is also available with coil voltage ratings of 24V, 48V, and 60V to suit various stationary applications.

Features & Benefits

  • Up to 400A continuous current rating for high-current contact switching
  • Able to make and break up to 1600A
  • Main contacts are rated for 48V (typical) and 60V (max)
  • Coil voltage options include 24V, 48V, and 60V
  • Normally closed, monostable relay design
  • Available in single-coil and double-coil configurations
  • Non-polarized contacts

Applications

  • Communication Power Supplies
  • UPS

Click here for a datasheet.

DCNLJ Series – High Voltage DC Contactors

The DCNLJ Series Max High-Current High-Voltage DC Contactor Relay is designed for high-current contact switching in electric control systems of communication power supplies and uninterruptible power supplies (UPS) as well as other industrial and vehicle applications.

This normally open relay comes in a variety of configurations to suit your application requirements. Polarized models with main contacts rated for 96V (110V max) and non-polarized models with main contacts rated for 48V (60V max) are available with a continuous current rating of 125A, 200A, or 250A.

Available coil options for the DCNLJ contactor relay vary depending on the model’s continuous current rating and include 12V, 24V, 48V, and 60V.

Features & Benefits

  • Available with a 125A, 200A, or 250A continuous current rating for high-current contact switching
  • Main contacts rated for 48V typical (60V max) or 96V typical (110V max)
  • 48V units have non-polarized magnets and 96V units have polarized magnets
  • Single-pole, single-throw (SPST), normally open contact arrangement
  • Coil rating options include 12V, 24V, 48V, and 60V (availability varies with the unit’s continuous current rating)
  • Robust standard industrial footprint

Applications

  • Communication Power Supplies
  • UPS
  • Material Handling
  • Industrial Machinery

Click here for a datasheet.

DCNLH Series – High Voltage DC Contactors

The DCNLH magnetically latching DC Contactor Relay is ideal for high-current electric control systems of communication power supplies, forklifts, uninterruptible power supplies (UPS), machinery, and more.

This magnetic latching, bistable relay is available with coil voltages of 12V, 24V, 48V or 60V to meet the requirements of various applications.

Features & Benefits

  • Up to 200A continuous current rating for high-current contact switching
  • Up to 800A make break rating
  • Main contacts are rated for 48V and 96V (typical)
  • Coil voltage options include 12V, 24V, 48V, and 60V
  • Magnetic latching, bistable
  • Robust Standard Industrial Footprint

Applications

  • Telecom and Datacom Power Supplies
  • Material Handling
  • Industrial Control Equipment

Click here for a datasheet.

DCNHR Series – High Voltage DC Contactors

The DCNHR Series 450V High-Current High-Voltage DC Contactor Relay is a normally open (also known as monostable) relay with a resin body for corrosion resistance in harsh automotive environments. Versions are available with a pulse width modulation (PWM) coil to reduce power for keeping the contacts closed. Sealed contacts help ensure there is no leakage of electrical arc for safety. The high-current relay’s permanent magnets blow out the magnetic field horizontally to achieve a rapid extinguishing of the DC arc.

The DCNHR Series contactor relay is available for 20A to 300A contact switching as well as with and without polarized contacts to suit the polarity of your application.

Features & Benefits

  • Available with 20A to 300A contact switching capability
  • Up to 500A continuous current using 400MCM cable
  • Normally open relay design
  • Resin housing provides corrosion resistance in harsh automotive environments
  • Sealed contacts with no leakage of electrical arc for maximum safety
  • Built-in energy-saving coil to reduce the coil holding power consumption
  • RoHS compliant
  • Available with mechanically linked auxiliary contacts

Applications

  • Battery electric vehicles
  • Hybrid electric vehicles
  • Electric maintenance vehicles
  • Industrial applications

Click here for a datasheet.

Littelfuse – Commercial Vehicle Products

Littelfuse offers an extensive product line to help protect, control, and distribute vehicle electrical power in OEM and aftermarket applications for industries such as heavy-duty truck, construction, and agriculture. Littelfuse offers a broad and reliable selection of fuses, fuse blocks, power distribution modules, high-current switches, relays, and solenoids to fit your requirements. For decades, Littelfuse has helped OEMs, engineers and end-users select the right product for their applications. Today, Littelfuse offers the broadest range of products for protection, sensing and control needs while providing exceptional service and support that our customers expect.

GX Series – High Power Contactors

GX contactors can switch DC loads up to 800VDC.  These small RoHS compliant contactors can be mounted in any position and can be used in nearly any harsh environment, including: underwater and at temperatures from –55°C to 85°C.  Most are cRUus recognized.

Applications

  • Material Handling Equipment
  • Energy Storage Systems
  • Emergency Vehicles
  • Boats
  • Light Rail
  • Mining, Oil and Factory Automation
  • Solar, Wind, and Wave power systems
  • Power Management Systems for:
    • Battery Charging
    • Fuel Cells
    • Battery Backup

Type 70 DC Power Contactors

  • High current capacity control
  • Isolated or grounded coils
  • Enclosed in dust-resistant case

Applications

  • Golf Carts
  • Material Handling Equipment
  • Winches and Hydraulics
  • Recreational Vehicles
  • Clay Pigeon Throwers
  • Welding Equipment