Purkeys debuts dual shield
Purkeys has developed the Dual Shield, which the company says will simplify adding electrical devices to heavy-duty vehicles and protect the source that powers them.
“The Dual Shield provides a single source with multiple protected ports for electrical devices,” Penray said. “It gives the vehicle two levels of protection to help counteract parasitic loads from these electrical systems: a low voltage disconnect (LVD) and a timed disconnect.”
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Source:: http://fleetowner.com/equipment/purkeys-debuts-dual-shield
