RS PRO, 47Ω 400W Wire Wound Chassis Mount Resistor ±5%

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Subtotal (1 unit)*

£63.08

(exc. VAT)

£75.70

(inc. VAT)

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  • 35 unit(s) ready to ship
  • Plus 20 unit(s) shipping from 12 November 2025
  • Plus 999,999,944 unit(s) shipping from 10 April 2026
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Units
Per unit
1 - 4£63.08
5 - 9£58.65
10 - 19£54.24
20 - 39£49.83
40 +£44.78

*price indicative

RS Stock No.:
185-2330
Brand:
RS PRO
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Brand

RS PRO

Resistance

47Ω

Power Rating

400W

Series

R400

Package/Case

Aluminium Housed

Tolerance

±5%

Technology

Wire Wound

Termination Style

Wire Lead

Minimum Operating Temperature

-25°C

Maximum Operating Temperature

+250°C

Minimum Temperature Coefficient

-200ppm/°C

Maximum Temperature Coefficient

+200ppm/°C

Dimensions

265 x 60 x 30mm

Overall Length

265mm

Overall Height

30mm

Overall Width

60mm

COO (Country of Origin):
IN

RS PRO Braking Resistor


The RS PRO R400 series aluminium housed metal-clad braking resistor has a resistance of 47ohm and power rating value of 400W. Its dimensions are 265mm x 60mm x 30mm (L x W x H). This high-quality wire lead resistor is designed for direct heat sink attachment.

Features and Benefits


• High power density
• Heat sink mountable for increased power dissipation
• Operating temperature ranging between -25°C and 250°C
• Temperature coefficient ranging between -200ppm/°C and 200ppm/°C
• Tolerance: ±5%
• Dielectric strength: 1500VAC-rms for 1 minute
• Humidity: 40°C, 90% Rh, 240 hours
• Minimum insulation resistance: 20Mohm

Certifications


• UL approved (cables)

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