Parallel Constant Wattage Heating Cable, RDP-J3 Manufacturer

Parallel Constant Wattage Heating Cable, RDP-J3

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Shenzhuan RDP-J3 series parallel constant wattage heating cable is long line resistance, constant wattage, heating cable which can be used where circuit lengths exceed the limitations of parallel resistance heating cables. The constant watt arrangement is typically designed to put out a certain amount of wattage per linear foot of cable. These are generally constructed of two polymer insulated parallel bus wires with a nickel alloy heating element wire wrapped alternatively along the insulated bus wires. Due to the unique parallel arrangement, it preserves systems integrity. This means that if any section of cable should fail, the rest of the heater will continue to operate. Therefore, the heat tracing cable is ideally suited for applications where a particular watt density is required at all times such as freeze protection and many other low temperature process control applications. Moreover, this heating cable is particularly applicable for providing safe, reliable heat tracing for freeze protection, insulation and heat maintenance of pipes, valves, tanks, etc.

RDP₂-J₃

Parallel constant wattage heating cable (with one brown wire, also called line lead)

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RDP₂(Q) -J₃

Parallel constant wattage heating cable (with one line lead)

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RDP₃-J₃

Parallel constant wattage heating cable (with three line leads)

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RDP₃ (Q) -J₃

Parallel constant wattage heating cable (with three line leads)

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Features

Constant watts output;
Silicone insulation;
Simple terminations;
Can be monitored and checked;
Power ratings: Varies form 10 to 40 w/m (220V and 380V);
Maximum temperature withstand: 180°C;

Construction/ Components of the Parallel Constant Wattage Heating Cable,
RDP-J3

RDP₂(Q)
Parallel constant wattage heating cable (without a ground wire)

RDP₃(Q)
Parallel constant wattage heating cable (with a ground wire, line and neutral)

RDP₂
Parallel constant wattage heating cable (without a ground wire)

RDP₃
Parallel constant wattage heating cable (with a ground wire, line and neutral)

Technical Data

Adjustable voltage: 110V(120V), 220V(230V), 380V

Model		Nominal voltage (V)	Nominal output (W/m)	Insulation resistance (MΩ/km)	Insulation material	Max. accepted temperature (℃)	Explosion-proof symbol	Max maintenance temperature (℃)
Explosion-proof	Explosion-proof (plus version)
RDP2-J3-10	RDP2(Q)-J3-10	220	10	≥50	F46	180	Ex ebⅡC T3 Gb	30
RDP2-J3-20	RDP2(Q)-J3-20		20					60
RDP2-J3-30	RDP2(Q)-J3-30		30					90
RDP2-J3-40	RDP2(Q)-J3-40		40					120
RDP3-J3-30	RDP3(Q)-J3-30	380	10	≥50	F46	180	Ex ebⅡC T3 Gb	30
RDP3-J3-40	RDP3(Q)-J3-40		20					60
RDP3-J3-50	RDP3(Q)-J3-50		30					90
RDP3-J3-60	RDP3(Q)-J3-60		40					120

Applications