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Molded construction gives complete environmental protection.
“RH”is housed aluminum Resistor.
Screw mounts on chassis to utilize heat-sink effect.
Designed to utilize heat sink effect of chassis.

Military equipment, motor control circuit, loader, UPS, AVR
Battery charge, precision measurement.
방산방비, 전동지게차, 방전용, 로드용, 모터제동장비, 계측장비
Model Element Type Power Rating(25℃) Resistance Range (Ω) Resistance Tolerance(%)
with Heat Sink Free Air Inductive Non-Inductive
RH 25 Wire wound 20W 8W 0.02 ~ 25KΩ 0.1 - 10KΩ

±0.5(D) ±1(F)
±2(G) ±5(J)
RH 50 Wire wound 30W 10W 0.05 ~ 50KΩ 0.2 - 20KΩ
ㆍ30W on heat sink(178X127X51X1㎜), 50W on heat sink(310X310X2㎜)
Temperature Range -55℃~+250℃
Insulation Resistance 20MΩ minimum
Dielectric Strength
 AC 1500V. Maximum leakage current : 2mA
Short Time Overload
 ±[1%+0.05Ω] 5 x Power rating 5sec
Load Life
 ±[2%+0.05Ω] Power rating 1.5h. on. 30Min, off 1000Hours.
Thermal Shock

±[1%+0.05Ω] Power rating 30Min, -55℃,15~30Minutes
Model Dimensions Weight(g)
L1±0.2

L2±0.15

 L3±0.2
RHT 25 49.4 27.1 18.3

16.5
RHT 50 70.8 49.3 39.7

35
Model Dimensions(mm)
L1±1 L2±0.8 ℓ1±0.8 ℓ2±0.8 D±1 H±0.8 d±0.3
RHA 25 27.1 29.6 18.3 19.8 15.2 15.7 2~3.2 x 4 Slot
RHA 50 49.3 29.6 39.7 19.8 15.2 15.7 2~3.2 x 4 Slot