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1. long life, easy install, 2. high quality and good service, 3. CE, UL certificate - details see: https://www.machineto.com/rdb-type-silicone-rubber-cabinet-heater-10245393

It is used for heating and heat preservation of all kinds of cabinets and boxes, such as cubicle switchboards, communication cabinets, lighting boxes and anti-flocculation boxes and computers.

Structure:
1) Adopts nichrome wire with quick radiation, high efficiency and long working life
2) Double insulation of moisture-proof silicone rubber and alkali-free glass fiber
3) The auxiliary radiation of aluminum sheet improves the thermal efficiency of
the heater and prolongs its working life
4) Easy to install

Specifications:
1) Rated voltage: 220V
2) Dielectrical strength: 2,000V/min
3) Insulation resistance: >50mΩ
4) Insulation material (silicone rubber): -60°C ~ +250°C

Model	RDB-50	RDB-100	RDB-150	RDB-70
Size	90×150	120×185	150×200	100×210
Rated power	50	100	150	70