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How to choose a contactor / disconnect switch for your application (Here we take the CURTIS/Albright contactors as sample. For technical support, please contact us):

• Specify your continuous current rating. CURTIS/Albright contactors for Power Systems and Telecommunications applications are available at ratings of 125, 200, 250, 400, 600, 800 and 1200 Amperes. CURTIS/Albright contactors for Vehicle and Industrial applications are available at ratings of 100, 125, 150 and 250 Amperes. Click to download the Albright DC Contactor Model List (PDF format).
• Select the general product type and specific configuration that fits your needs.
  • Contactors
    • On/off: single pole, single throw; double pole single throw
    • Changeover: single pole double throw
    • Forward/reverse: single or double pole
  • Manual Disconnect Switches
    • Single Pole
    • Double Pole
• Find the CURTIS/Albright model number in our Model Selection chart.

• Choose options to add functionality or to customize the contactor or switch to your specific requirements. From special mounting brackets, to protective covers, to coils for AC applications, CURTIS/Albright options give you the flexibility to custom-design a product to your needs.
  • Built to deliver renowned CURTIS/Albright performance and reliability.
    • High continuous current ratings in compact, rugged packages. Coils available to your specification anywhere in the range of 6 to 240 volts DC. An additional bridge rectifier enables using coils with AC power.
    • Weld-resistant, hard-wearing silver alloy contact tips for excellent conductivity and long life. Double breaking design protects against arcing.
    • Easy to install, and fully field serviceable with genuine CURTIS/Albright parts.
    • UL recognized for use in power systems/telecommunications and industrial applications. (Select models not yet listed ready to be submitted to UL upon customer request.)
    • Silver-plated busbars on 600-amp and higher models prevent oxidation and eliminate the need to prepare connectors for installation.
  • Options let you tailor a product to your applicatoin.
    • Auxiliary contacts. A set of auxiliary contacts (one normally open, one normally closed) mechanically linked to the main contacts.
    • Magnetic blowouts.Protects against sustained arcs; recommended at 48 volts DC and higher.
    • Coils for continuous operation. Allow continuous energization of the coil, compared with standard coils rated for intermittent operation (ON time under 70 percent and less than 15 minutes).
    • Mounting brackets. A wide selection of standard brackets for easy installation anywhere; customized brackets and hardware for special applications are available.
    • Coil suppression. Diode suppresses voltage spikes when coil is de-energized. Because this slows the contacts drop-out time, resistor/diode combinations are available to minimize this effect.
    • Enclosed top cover. Protects contacts from dust and other contaminants (not recommended with use of magnetic blowouts).
    • AC operated coil. DC coil fitted with bridge rectifier for use with AC power.
    • Large diameter contact tips. Increased surface area minimizes contact corrosion from high switching frequencies.
    • Lockable mechanism. A manual disconnect switch that – once engaged to the OFF position – can only be rearmed with the supervisor’s key.
    • Metal enclosed contactors. Available for industrial vehicle applications requiring UL-EE rating.

How to choose a contactor / disconnect switch for your application (Here we take the CURTIS/Albright contactors as sample. For technical support, please contact us):

• Specify your continuous current rating. CURTIS/Albright contactors for Power Systems and Telecommunications applications are available at ratings of 125, 200, 250, 400, 600, 800 and 1200 Amperes. CURTIS/Albright contactors for Vehicle and Industrial applications are available at ratings of 100, 125, 150 and 250 Amperes. Click to download the Albright DC Contactor Model List (PDF format).
• Select the general product type and specific configuration that fits your needs.
  • Contactors
    • On/off: single pole, single throw; double pole single throw
    • Changeover: single pole double throw
    • Forward/reverse: single or double pole
  • Manual Disconnect Switches
    • Single Pole
    • Double Pole
• Find the CURTIS/Albright model number in our Model Selection chart.

• Choose options to add functionality or to customize the contactor or switch to your specific requirements. From special mounting brackets, to protective covers, to coils for AC applications, CURTIS/Albright options give you the flexibility to custom-design a product to your needs.
  • Built to deliver renowned CURTIS/Albright performance and reliability.
    • High continuous current ratings in compact, rugged packages. Coils available to your specification anywhere in the range of 6 to 240 volts DC. An additional bridge rectifier enables using coils with AC power.
    • Weld-resistant, hard-wearing silver alloy contact tips for excellent conductivity and long life. Double breaking design protects against arcing.
    • Easy to install, and fully field serviceable with genuine CURTIS/Albright parts.
    • UL recognized for use in power systems/telecommunications and industrial applications. (Select models not yet listed ready to be submitted to UL upon customer request.)
    • Silver-plated busbars on 600-amp and higher models prevent oxidation and eliminate the need to prepare connectors for installation.
  • Options let you tailor a product to your applicatoin.
    • Auxiliary contacts. A set of auxiliary contacts (one normally open, one normally closed) mechanically linked to the main contacts.
    • Magnetic blowouts.Protects against sustained arcs; recommended at 48 volts DC and higher.
    • Coils for continuous operation. Allow continuous energization of the coil, compared with standard coils rated for intermittent operation (ON time under 70 percent and less than 15 minutes).
    • Mounting brackets. A wide selection of standard brackets for easy installation anywhere; customized brackets and hardware for special applications are available.
    • Coil suppression. Diode suppresses voltage spikes when coil is de-energized. Because this slows the contacts drop-out time, resistor/diode combinations are available to minimize this effect.
    • Enclosed top cover. Protects contacts from dust and other contaminants (not recommended with use of magnetic blowouts).
    • AC operated coil. DC coil fitted with bridge rectifier for use with AC power.
    • Large diameter contact tips. Increased surface area minimizes contact corrosion from high switching frequencies.
    • Lockable mechanism. A manual disconnect switch that – once engaged to the OFF position – can only be rearmed with the supervisor’s key.
    • Metal enclosed contactors. Available for industrial vehicle applications requiring UL-EE rating.