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Ohmite E300KR20E Vitreous Enamel Power Resistor
OHMITE's 280 Series Corrib[®] fixed and adjustable vitreous enamel power resistors are engineered for applications requiring high currents at very low resistance values. These heavy-duty resistors are designed to withstand frequent start-stop cycles and are suitable for motor starting, dynamic braking, and similar applications. The corrugated resistive wire and vitreous enamel coating enhance durability and cooling. Available with various coatings and terminal options, the E300KR20E offers a reliable solution for demanding power management needs.
Ohmite E300KR20E Vitreous Enamel Power Resistor Specifications:
- Coating: Lead-free vitreous enamel (except for low resistance and large models, which are silicone ceramic)
- Core: Tubular Ceramic
- Terminals: Tinned lug with hole (RoHS solder composition: 96% Sn, 3.5% Ag, 0.5% Cu)
- 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 brackets, bolts, washers, and nut (single unit contains one bolt and nut, two washers)
- Resistance Range: 0.1Ω to 63Ω
- Wattage Range: 300W to 1500W
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Frequently Asked Questions
Where can I buy Ohmite E300KR20E?
You can click on the BUY or RFQ button to purchase E300KR20E from an authorized Ohmite distributor.
How do I troubleshoot issues or seek technical support for part E300KR20E?
You can download the E300KR20E datasheet or visit the Ohmite website for support.
Who is the manufacturer of E300KR20E?
Ohmite