RS PRO, 2.2Ω 300W Wire Wound Chassis Mount Resistor ±5%

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Subtotal (1 unit)*

£44.38

(exc. VAT)

£53.26

(inc. VAT)

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  • Plus 16 unit(s) shipping from 27 October 2025
  • Plus 999,999,983 unit(s) shipping from 04 May 2026
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1 - 4£44.38
5 - 9£41.27
10 - 24£38.17
25 - 49£35.06
50 +£31.51

*price indicative

RS Stock No.:
185-2320
Brand:
RS PRO
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Brand

RS PRO

Resistance

2.2Ω

Power Rating

300W

Series

R300

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

215 x 60 x 30mm

Overall Width

60mm

Overall Length

215mm

Overall Height

30mm

COO (Country of Origin):
IN

RS PRO Braking Resistor


The RS PRO R300 series aluminium housed metal-clad braking resistor has a resistance of 2.2ohm and power rating value of 300W. Its dimensions are 215mm 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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