Electric PTC Coolant Heater

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Electric PTC coolant heater

 

 

PTC water heaters take PTC thermistor components as their heating source. PTC thermistors feature variable resistance that shifts according to ambient temperature. Thanks to this property, PTC water heaters deliver notable advantages including energy‑saving performance, constant‑temperature output, high operational safety and long service life.

 

Item	W15-1	W15-2
Rated voltage(VDC)	600	600
Working voltage(VDC)	400-750	400-750
Rated power(KW)	24(1±10%)@40L/min,Tin40℃,600V(2 high voltage circuits,2*12KW)	24(1±10%)@40L/min,Tin40℃,600V
Impulse current(A)	70≤@750V	70≤@750V
Controller low voltage(VDC)	16-32	16-32
Control signal	CAN2.0B	CAN2.0B
Control model	Gear4	Gear4

 

 

 

 

Model W15 High‑Voltage Coolant PTC Heater runs at DC 600V with peak heating power of 24 kW. Controlled via CAN‑BUS communication, it supports flexible power adjustment coordinated with vehicle VCU. Built with robust sealed housing, this HVCH unit connects into the vehicle coolant loop to warm battery packs and cabin compartment for heavy‑duty electric commercial vehicles. It adopts PTC thermistor heating elements with inherent over‑temperature self‑protection, delivering long service life for bus and electric truck applications.

 

 

High‑power performance for heavy‑duty vehicles Rated 24 kW heating power under DC 600V high‑voltage platform. It delivers fast temperature rise to fulfill both battery pre‑heating and cabin heating requirements for electric buses, heavy‑duty trucks and large commercial EVs.

 

CAN‑BUS intelligent control for vehicle‑level coordination Equipped with standard CAN‑BUS interface to realize stepless power regulation via vehicle VCU. It works in synergy with vehicle thermal management logic for pre‑heating and dynamic power tuning to cut unnecessary energy consumption.

 

Inherent PTC safety for enhanced reliability Built‑in PTC thermistor elements feature self‑temperature‑limiting performance. Power drops automatically under over‑temperature conditions with no open‑fire risk. Optimized high‑voltage protection adapts to severe on‑vehicle vibration conditions.

 

Robust sealed housing for harsh operating conditions Fully‑enclosed high‑strength enclosure with bolt‑compression sealing provides good dust‑proof, water‑proof and anti‑vibration performance, suitable for chassis‑mount installation under complicated working environments.

 

Compact all‑in‑one design for simple integration Highly‑integrated unit with internal coolant flow channel. Standard ports for coolant, high‑voltage power and low‑voltage signal are reserved. Direct connection to vehicle antifreeze loop simplifies piping layout and assembly work.

 

 

 

 

Commercial EV Thermal‑Management System Matching 600V high‑voltage platform, this unit acts as the main heat source for vehicles. It pre‑heats traction batteries to improve low‑temperature charging performance and mitigate cold‑weather range loss, meanwhile supplying heat for cabin heating.

 

Electric Buses & Coaches The 24 kW high‑power output enables rapid cabin warming while maintaining battery‑pack temperature stability. Well‑suited for city public transit buses and tourist coaches for long‑time operation under cold climate.

 

Electric Heavy‑Duty Trucks & Tractors Applied for battery‑electric heavy trucks and tractors. It quickly warms battery packs in cold conditions to guarantee stable power output, meeting thermal requirements for long‑haul freight transport.

 

Special‑Purpose Electric Vehicles Suitable for sanitation trucks, construction vehicles, airport shuttles and large‑size electric RVs, providing heating for both battery packs and driver cabins.

 

 

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