Products › Power Resistors › Aluminum Housed Wirewound Resistors

Aluminum Housed Wirewound Resistors

Compact, high power, easy to install
Low TCR & inductance
Suitable for circuit current sensing
Good heat dissipation
Custom designs available

Applications: Frequency converters, charging stations, load banks, large ovens, welding machines, power equipment, burn-in equipment, and elevator braking

Dimensions & Specifications

Aluminum Housed Wirewound Resistors — Dimensions — Unit: mm; F: °

Rated power	A	B	C	D	E	F	G	Resistance range (Ω)
60W	115±2	100±2	20±1	40±1	5.2±1	45±2°	75±2	0.1~10K
80W	140±2	125±2	20±1	40±1	5.2±1	45±2°	100±2	0.1~10K
100W	165±2	150±2	20±1	40±1	5.2±1	45±2°	125±2	0.1~10K
120W	190±2	175±2	20±1	40±1	5.2±1	45±2°	150±2	0.15~15K
150W	215±2	200±2	20±1	40±1	5.2±1	45±2°	175±2	0.15~15K
200W	165±2	150±2	30±1	60±1	5.2±1	60±2°	125±2	0.3~20K
300W	215±2	200±2	30±1	60±1	5.2±1	60±2°	175±2	0.5~30K
400W	265±2	250±2	30±1	60±1	5.2±1	60±2°	225±2	0.5~30K
500W	240±2	225±2	40±1	80±1	5.2±1	60±2°	200±2	0.5~30K
600W	335±2	320±2	30±1	60±1	5.2±1	60±2°	295±2	1~50K
800W	400±2	385±2	40±1	80±1	5.2±1	60±2°	360±2	1~50K

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Unit: mm

If the rated voltage exceeds the maximum working voltage, use the maximum working voltage.

Electrical Characteristics

Test item	Technical requirement
Temperature coefficient	±350ppm/°C max.
Rated load	\|ΔR\| ≤ (1% × R) + 0.05Ω; surface temperature rise: 350°C max.
Short-time overload	\|ΔR\| ≤ (2% × R) + 0.05Ω
Insulation resistance	DC500V; 100MΩ min.
Dielectric withstand voltage	\|ΔR\| ≤ (1% × R) + 0.05Ω; AC2000V, 1 minute

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