RX20 100W Porcelain Tube Variable Power Resistor 10-300Ω Adjustable Load Resistor for Industrial Braking Applications

Price Negotiable

Price: $2.1-$2.8

MOQ: 50

Delivery Time: 5-7 work days

Brand: JIANHONG

Product Description

Product Overview

The RX20 100W porcelain tube variable power resistor offers reliable performance for industrial loading and braking applications. With adjustable resistance from 10Ω to 300Ω and excellent heat dissipation capabilities, this resistor ensures stable operation in demanding environments.

Key Features

Strong overload capacity for demanding applications
Excellent heat dissipation with porcelain tube construction
Long service life with high precision resistance
Green epoxy resin coating for environmental protection
Customizable power and resistance values available

Technical Specifications

Parameter	Specification
Model Number	HR200W
Power Rating	100W
Resistance Range	10Ω - 300Ω
Resistance Tolerance	±5%
Dimensions	28mm × 215mm
Material	Porcelain tube with epoxy resin coating
Color	Green
Application	Loading, braking, dumping circuits

Performance Characteristics

High stability and reliability with strong impact resistance
Non-combustible construction for safety
Excellent thermal performance with temperature coefficient of ±300ppm/℃
Customizable terminal block designs for easy circuit connection

Performance Test Results

Test Project	Test Conditions	Performance
Temperature Coefficient	Resistance measured at room temperature and +100℃	±300ppm/℃
Short Time Overload	10× rated power or maximum load voltage	△R≤±(2%+0.05Ω)
Resistance to Welding Heat	350±10%℃ tin furnace for 2-3 seconds	△R≤±(1%+0.05Ω)
Weld Ability	260±5%℃ tin furnace for 2-3 seconds	Solder area covers over 95%
Temperature Cycle	-55℃ to +275℃ over 5 cycles	△R≤±(1%+0.05Ω)
Load Life in Humidity	40±2℃, 90-95% RH for 1000 hours	△R≤±(5%+0.05Ω)
Load Life in Heat	70±2℃ for 1000 hours	△R≤±(5%+0.05Ω)
Noncombustibility	5, 10, 16× rated power for 5 minutes	No obvious flames