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Aluminium Housed Resistor

As a expert manufacturer of these High Power Slim-Type Aluminium Housed Resistors, we cater to a wide cross section of industries. Our resistors are certified by for their quality and functional excellence & RoHS Complaint.


High Power Slim-Type Aluminium Housed Resistors
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FEATURES
  • Low cost & Light Weight
  • Non-Inductive Type Available
  • Good Heat Conduction
  • Excellent Space Factor For Installation
  • Higher or Lower Ohmic Values available
  • Modules with Thermal Switch available


APPLICATIONS
  • Charging Resistor
  • Dynamic Braking Resistor
  • Snubber Resistors
  • Drives, Elevators, Cranes, Hoists, CNC Machines
  • Electric Cars and Power Source of Industrial Instruments


CHARACTERISTICS
Standard Tolerance ±10%, closer tolerance available
Temperature Range -55°C to + 275°C max.@ 20°C ambient
Insulation Resistance >20MW
Dielectric Strength Available Options: 2000 VAC, 3000 VAC
Temp. Coefficient ±50PPM/°C to 260PPM/°C
Short Term Overload 5 x Wattage rating for 10 seconds
Derating Derate linearly at 275°C
Teflon wire terminals 500mm. Longer lengths upto 1.25 mtrs. Available.


High Power Slim-type Aluminium Housed Resistor


SLR Series
Cat. No. Watt
@20°C
w/o heatsink
1 Sec. Watt 10 Sec. Watt 40 Sec. Watt Resistance Range W L (mm) L1 (mm) Weight (gm)
SLR100 100 2500 700 250 10W-500W 110 98 240
SLR150 125 4700 1200 425 10W-500W 166 154 375
SLR200 150 6500 1600 550 10W-500W 216 204 525
SLR250 200 8000 2200 750 10W-500W 270 258 650
SLR300 250 10000 2500 900 10W-500W 320 308 810
SLR400 300 14000 4300 1100 10W-500W 420 408 1070
SLR500 400 17000 5000 1400 10W-500W 520 508 1250
The Above details have been calculated for a duty cycle of 120 sec. without using heatsink at surface temp. of 275°C

DERATING CURVE
High Power Slim-type Aluminium Housed Resistor
Temperature rise at 20°C ambient for 100W-400W is 275°C plus ambient Wattage can be increased by using heatsink. Above 275°C derating is required

Ordering Infrastructure
Ex. SLRN500 100R K 1005 where N indicates non-inductive, R indicates ohms, K indicates 10% tolerance which may change, 1005 indicates month & year of manufacture.

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