Controllers & Components
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Showing 1–12 of 19 results
Fairbanks Morse Defense and Ward Leonard Automatic Bus Transfers (ABTs) ensure uninterrupted power supply to critical systems by automatically or manually transferring three-phase AC loads during low- or no-voltage events. Trusted for their reliability, ABTs provide seamless switching to keep emergency power sources online when needed most.
Features:
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Configurable in A1, A2, or A3 architectures
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Modular design for flexible integration
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Built and tested to MIL-PRF-17773 specification
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Trusted reliability in mission-critical applications
Recommended Uses:
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Emergency power systems on maritime vessels
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Defence and naval power distribution
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Mission-critical industrial applications
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Facilities requiring uninterrupted AC load transfer
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Fairbanks Morse Defense and Ward Leonard are the only manufacturers offering all three Navy QPL contactor designs, providing solutions that meet the most demanding military specifications. Built for reliability and performance, our contactors are designed to withstand mission-critical environments and comply with MIL-DTL-2212 standards.
Features:
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Magnetic solenoid operation for dependable switching
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Multiple configuration types to suit diverse applications
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Flexible form factors designed to fit customer space requirements
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Available in proprietary designs, GE designs, and Navy-standard models
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Compliant with MIL-DTL-2212 specification (AC Control)
Recommended Uses:
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Naval and defence power systems
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Shipboard electrical distribution
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Industrial and mission-critical applications requiring AC control
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Environments requiring MIL-qualified electrical components
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Control power transformers are designed to reduce supply voltage to 115V AC for use in control circuits of motor starters, controllers, and other electrical equipment. Built for continuous duty, they ensure safe and reliable operation in demanding environments.
Features:
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Reliable voltage regulation for control circuits
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Compact, durable construction
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Designed for long service life under continuous operation
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Fuse blocks are designed to securely hold cartridge-type fuses up to 30 amps, providing reliable overcurrent protection in demanding environments. Built to meet multiple MIL specifications, they ensure durability and shock resistance for mission-critical applications.
Features:
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Compatible with style F61 fuses (MIL-F-15160)
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Fuse clips compliant with MIL-F-21346 specification
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Meets MIL-E-917 standards
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Shock qualified to MIL-S-901
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Indicating lamps for integration into panels, controllers, and other systems where space efficiency and reliability are critical. Available in multiple configurations, they provide dependable performance in demanding environments.
Features:
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Dual amp indicator lights for versatile applications
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Configurations include 90° and straight-line designs
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Tested for shock, vibration, and moisture resistance
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Dielectric withstand and insulation tested for durability
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Indicating light kits are pre-configured solutions that include the lamp, gaskets, lenses, name plates, and light holder. Designed for versatility and durability, these kits simplify installation while maximising available panel space.
Features:
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Dual amp indicator lights
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Suitable for DC and AC systems at 50, 60, or 400 Hz
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Configurations include 90° and straight-line designs
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LED or incandescent bulb options
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Variety of mounting configurations for panel efficiency
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Tested for shock, vibration, and moisture resistance
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Dielectric withstand and insulation tested for reliability
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Indicator light holders are for alternating current applications where space behind the panel is limited. Featuring built-in transformers that can be mounted elsewhere on the panel, they connect to the LH 97 to obtain the required voltages. With grounded lamp screw shells, the design eliminates shock hazards when lamps are removed, ensuring safe operation.
Features:
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Dual amp indicator lights
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Configurations include 90° and straight-line designs
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Shock, vibration, and moisture resistant
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Dielectric withstand and insulation tested for safety
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Space-saving design for panel integration
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Light lenses are panel-mounted components manufactured in accordance with MIL-L-3661/55 thru 59 standards. Available in multiple shapes, colours, and materials, these lenses can be custom engraved to order for clear identification and functionality.
Features:
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Bubble cap and flat flush styles
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Dimmable lens options
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Custom engraving available on flat lenses
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Compliant with MIL-L-3661/55 thru 59 specification
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Series N130 Magnetic Relays are designed for reliable performance in applications where pilot or control circuits must be repeatedly established and interrupted. Available in multiple pole configurations for both AC and DC operation, these auxiliary control relays provide dependable switching and long service life in demanding environments.
Features:
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Arc blowout option for improved arc suppression
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Manufactured across all 3 QPL designs: Ward Leonard, GE, and Cutler Hammer
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Built for durability and consistent operation in critical applications
Recommended Uses:
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Pilot and control circuits
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Defence and naval electrical systems
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Industrial automation requiring repeated circuit switching
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Applications needing AC or DC auxiliary relay control
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Manual starters are built for reliability and continuous duty, providing decades of service in demanding environments. Designed for flush panel mounting or surface mounting with drip-proof enclosures, these starters feature integrated overload protection and low-voltage release functionality, ensuring dependable motor control in high-shock and high-vibration conditions.
Features:
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Thermostatic bimetal overload protection
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Low-voltage release (contacts remain closed under low voltage, restart on power return)
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Cable entry from top or bottom for flexible installation
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Compact package for basic motor starter and protection
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Compliant with MIL-DTL-2212 specification
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Master switches provide remote control of magnetic starter applications and are designed for long-lasting reliability in demanding environments. Available in multiple configurations, they support up to 20 circuits and comply with MIL-DTL-2212 standards for military-grade performance.
Features:
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Available in master, limit, pushbutton, and rotary selector variants
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Spring-returning or maintaining contact options
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Watertight and non-watertight designs available
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Compliant with MIL-DTL-2212 specification
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With more than 2,000 designs available, Fairbanks Morse Defense and Ward Leonard deliver controllers engineered for durability, reliability, and long service life. Built for dedicated high-shock, high-vibration, and high-abuse environments, these controllers are trusted by maritime vessels and defence applications worldwide. Every unit is manufactured and tested in-house to meet the U.S. Department of Defense’s most stringent specifications.
Features:
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Performance ratings from size 0 to size 7
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Extensive catalogue of 2,000+ proven designs
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3D modelling for customised solutions
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Built and tested to MIL-DTL-2212 specification
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Engineered for decades of dependable performance
Recommended Uses:
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Maritime vessels and shipboard systems
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Defence and naval applications
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High-shock and high-vibration environments
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Industrial and mission-critical systems requiring long-life controllers
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