Woodward 9907-838 Load Sharing Module
The Woodward 9907-838 is an industrial load sharing module designed for precise load balance and speed regulation across generator sets and prime movers. Powered by an auxiliary AC supply input of 100-240 VAC at 50-400 Hz, this module draws 2.7-10.5 A depending on operational loading. Encased in a rugged industrial housing weighing 3.04 lbs, it ensures stable parallel operation across dynamic electrical systems.
Operating Modes and Control Capabilities
The module supports both isochronous and droop load-sharing configurations, enabling balanced real power distribution among parallel-connected generators equipped with Woodward or non-Woodward controls. It provides direct compatibility with diverse engine interfaces, offering PWM and Caterpillar-compatible control output signals to regulate actuator drive circuits effectively.
Environmental and Physical Specifications
Built for high-reliability environments, the unit features an IP67-rated stainless steel enclosure that protects internal components against dust and water immersion. It operates within a wide temperature range of -40 deg C to +90 deg C and resists extreme mechanical stress, rated for up to 10G vibration and 50G shock tolerance.
Technical Parameters
| Parameter | Specification |
|---|---|
| Model Number | 9907-838 |
| Brand | Woodward |
| Product Type | Load Sharing Modules |
| Operating Voltage | 100-240 VAC |
| Operating Frequency | 50-400 Hz |
| Current Consumption | 2.7-10.5 A |
| Weight | 3.04 lbs |
| Enclosure Rating | Stainless steel, IP67 |
| Operating Temperature Range | -40 deg C to +90 deg C |
| Vibration Resistance | 10G |
| Shock Resistance | 50G |
| Operating Modes | Isochronous, droop load sharing |
| Output Signal Compatibility | PWM, Caterpillar-compatible |
Frequently Asked Questions
Q: What are the input power supply requirements for the 9907-838 module? A: The module operates on a wide AC voltage input range of 100-240 VAC across 50-400 Hz, with a rated current draw of 2.7-10.5 A.
Q: What output signals does the 9907-838 load sharing module support for governor control? A: It provides PWM and Caterpillar-compatible signal outputs for direct integration with compatible engine speed actuators.
Q: Can the 9907-838 operate in harsh mechanical and marine environments? A: Yes, it features an IP67 stainless steel enclosure with a wide operating temperature range (-40 deg C to +90 deg C) and high mechanical tolerance rated at 10G vibration and 50G shock.
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| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
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