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Resistor Danotherm WHBSA 150.670

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SKU: WHBSA 150.670Categories: Liquid cooled power resistors

Specifications

Brand

Danotherm

Product type

WHBSA

Material housing

AISI304, AISI316L

Mounting

Horizontal

Cooling

Liquid cooled

Nominal power (kW) @ 40°C

60

Resistance tolerance (%)

5

Temperature coefficient (ppm/K)

100

Working voltage (UL)

N/A

Working voltage (IEC)

1000VAC/1400VDC

Dielectric strength in kV @ 1 minute

3.5

Protection class

IP65

Features and benefits

Danotherm WHBSA resistors are specially engineered for braking applications in hybrid/electric buses and trucks and can maintain their performance for up to 20 years.

These resistors employ a liquid-cooling system, reside in compact housings with a high power density, and come in 16 different mechanical sizes to meet diverse requirements. OEM variants of WHBSA resistors are also offered.

The WHBSA series of resistors incorporate a fully-welded steel tank and feature an IP65-rated connection box for protection. They use either freshwater or a water/glycol mixture as the cooling fluid. The tank and connection box are constructed from AISI 304 stainless steel, while AISI 321 stainless steel is employed for the resistor elements.

The power ratings for WHBSA resistors are categorized into braking power and heating power.

Braking power signifies the load that the resistor can withstand during a 12-minute downhill test, assuming one such load cycle occurs daily at most. The braking power ratings for WHBSA resistors span from 19 to 253 kW.

These resistors can also be used to condition the vehicle, such as pre-heating the driver and passenger compartments while the vehicles are parked at the bus garage, without drawing energy from the battery. The heating power ratings for WHBSA resistors range from 9 to 119 kW.

WHBSA resistors operate at a peak working voltage of 1000 VAC and come with a standard PT1000 temperature sensor. Additionally, they offer options like a drain plug, air vent, cable glands, and holes for customization.

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Download file: WHBSA

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