Overview
The Ohmite 1357 is a 225-watt fixed resistor with a 10-ohm resistance value, engineered for demanding industrial and power control applications. This model features vitreous enamel coating that provides excellent thermal stability and durability in harsh environments. The DIVIDOHM designation indicates this unit is part of Ohmite’s adjustable and fixed power resistor lineup, widely used in motor starting, dynamic braking, and load banks.
Key Features
- 225-watt power rating provides robust performance in high-current circuits
- 10-ohm resistance value with fixed configuration
- Vitreous enamel coating ensures flame resistance and environmental protection
- Tubular ceramic core construction for thermal management
- Radial lug terminals compatible with solder or bolt mounting for flexible installation
- All-welded construction for long-term reliability in industrial settings
Technical Specifications
Key operating parameters for system design and selection:
- Resistance: 10 ohms
- Power Rating: 225 watts
- Element Type: Wirewound
- Coating: Vitreous enamel (lead-free, conformal)
- Core Material: Tubular ceramic
- Terminal Type: Radial solder lug
- Mounting: Bolt-down or solder connection
- Temperature Coefficient: ±400 ppm/°C (typical for wirewound construction)
- Voltage Rating: 150 volts (standard for 225W class)
Typical Applications
The Ohmite 1357 excels in scenarios requiring:
- Motor starting and acceleration circuits – limiting inrush current during startup
- Dynamic braking – dissipating motor energy during deceleration or emergency stops
- Load banks and test equipment – simulating electrical loads for system verification
- Power supply circuits – current limiting and surge protection
- Industrial automation – relay and contactor control circuits
Compatibility & Replacements
Compatible With
- Industrial motor control systems and VFDs
- Power distribution equipment and switchgear
- DC and AC power supply applications
- Heavy industrial automation controllers
- Dynamic braking resistor banks
- RLC test and measurement circuits
Replaces / Drop-In Replacement For
Verify with your system integrator before ordering. The internal model designation 210-225P-46 identifies this specific DIVIDOHM variant. Cross-reference your schematic or bill of materials to confirm compatibility.
Works With
- DC bus braking circuits on variable frequency drives (VFDs)
- AC and DC motor starter control circuits
- Industrial relay and contactor assemblies
- Power supply current-limiting networks
- Heavy-duty circuit protection systems
