The EW5-350V DC delivers reliable PTC heat in a lightweight package, with a wide voltage range (250–450V DC), smart CAN control, and high environmental protection.
Compact, efficient 5kW auxiliary heating for mid-voltage electric and hybrid systems.
The EW5-350V DC is engineered for OEMs needing reliable auxiliary heating where space and weight are at a premium. Delivering 5kW of PTC-based thermal output, the EW5 is ideal for cabin heating, windscreen defrosting, or preconditioning battery and powertrain coolant circuits in cold ambient conditions.
With a 350V nominal rating and 250–450V operating range, it’s compatible with mid-voltage battery-electric, hybrid, and fuel cell platforms. Intelligent CAN 2.0B (SAE J1939) communication enables full integration, diagnostics, and precise heat control, while its self-regulating PTC technology maintains efficiency and safety without risk of overheating.
Weighing just 1.7kg and fully sealed to IP6K9K, the EW5 is tested to withstand dust, water ingress, high-pressure washdowns, and the vibration of off-highway and industrial environments, making it a dependable, plug-and-play solution for demanding applications.
Explore the features that enhance efficiency, reliability, and ease of use across our auxiliary heater range.
Each technical component plays a role in helping the heater deliver dependable output and steady performance.
Discover why OEMs choose Grayson’s EW5 to deliver reliable PTC heating for their applications across the globe.
Reliable water heating performance in all operating conditions.
Easy to install in tight spaces and weight-sensitive designs.
Plug-and-play connectivity with CAN for precise control and monitoring.
IP6K9K-rated enclosure withstands harsh, high-vibration environments.
