Ohmite's 280 Series Corrib[®] fixed and adjustable vitreous enamel power resistors are engineered for demanding applications involving high currents at very low resistance values. These resistors are designed to withstand frequent start-stop cycles and are suitable for motor starting, dynamic braking, and other similar applications. Manufactured with corrugated resistive wire and a protective vitreous enamel coating, Corrib resistors offer durability and efficient cooling. They are hollow-core units that can be securely fastened to chassis surfaces. RoHS compliant options are available, adding versatility to their use in modern electronic designs.
Adjustable Lug: Supplied with adjustable 300W models (Part No. 1974-A or 1974-B)
Resistance: Max. 63Ω for 300W version
Tolerance: ±10% (K)
Power Rating: Based on 25°C free air rating
Derating: Linearly from 100% @ +25°C to 0% @ +400°C
Overload: 10 times rated wattage for 5 seconds
Temperature Coefficient: ±400 ppm/°C
Dielectric Withstanding Voltage: 1000 VAC (terminal to mounting bracket)
Max Amps Calculation: √P/R
Mounting Brackets: Includes two each bracket, bolt, washers (centering, mica, lock) and nut. Single unit mounting contains one each bolt and nut; two each all washers.
Buy the C300KR31 Ohmite Vitreous Enamel Power Resistor | myMectronic
Purchase the Ohmite C300KR31 securely and reliably through our online store.
Buy Now
Frequently Asked Questions
Where can I buy Ohmite C300KR31?
You can click on the BUY or RFQ button to purchase C300KR31 from an authorized Ohmite distributor.
How do I troubleshoot issues or seek technical support for part C300KR31?
You can download the C300KR31 datasheet or visit the Ohmite website for support.
Who is the manufacturer of C300KR31?
Ohmite
Ohmite Part List
Browse and search other Ohmite parts, locate datasheets and stock