power resistors, high current, oval edge-wound The choice when conditions demand top-notch performance, these resistors are commonly used for dynamic braking on Transit applications. Choose from five sizes with up to thirty-one current ratings. Built to perform in rugged environments, they feature corrosion resistant stainless steel insulator supports, solid nickel terminals, and special electroless nickel-plated solid copper terminal supports. The resistance element is made of a stainless steel resistance alloy. Terminals are welded or silver brazed to the oval, spiral edgewound resistance element. Toothed ceramic insulators isolate the resistance element from the center support. Ceramic end bushings insulate the center support from the mountings. Order individual replacement units or entire grids with various mounting configurations. Contact us with your specific needs.

DOE Type 550W - 3250W Standard Electrical Specification
Power Variable Slide Resistors
Power Rating A (mm) B (mm) Resistance Value Range
550W 244.5 295 0R2~2R
900W 335 385.5
1200W 419 470
1500W 505 556
1800W 588 638
3250W 410 465

Performance Specification
TEST ITEM TEST METHODS CHARACTERISTICS
Resistance tolerance JIS-C-5202 5-1 Resistance Nominal Tolerance ±10%(K)
Temperature coefficient JIS-C-5202 5-2 ±300ppm/°C max.
Power rating load JIS-C-5202 5-4 R/R ≤ ±(1%+0.1Ω)
Surface temperature up 350°C max.
Dielectric withstanding voltage JIS-C-5202 5-7
2000VDC 1 minute Between terminal and anchor stand
Free of appearance or structural irregularity
ΔR/R ≤ ±(1%+0.1Ω)
Terminal strength JIS-C-5202 6-1 500N 30 seconds Free of appearance or structural irregularity
Insulation resistance JIS-C-5202 5-6 500VDC 100MΩ min
Short-term overload JIS-C-5202 5-5
1000% rated power 5 seconds
Free of appearance or structural irregularity
ΔR/R ≤ ±(2%+0.1Ω)
Vibration JIS-C-5202 6-3
490m/s2 11ms
Free of appearance or structural irregularity Surface coating crack ΔR/R ≤ ±(2%+0.1Ω)
Remarks Resistance and resistance tolerance were tested in-house with micro resistance meter.

How to Order
DOE 1500W 1R3 K F
Part Number
DOE
Rated Power
(W)
550W~3250W
Resistance Value
(Ω)
1R3 1.3Ω
13R 13Ω
Resistance Tolerance
(%)
K ±10%
Lead Free


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