A Premier B2B Part Search
Littelfuse V321DA40 Metal-Oxide Varistor
The Metal-Oxide Varistor series, including DA and DB models, are high-energy, industrial surge protection devices designed for motor controls and power supplies in demanding environments like oil-drilling and mining. These UL-recognized MOVs feature robust construction, screw terminals, wide voltage ranges from 130V to 750V, and high peak pulse current ratings of up to 40,000 A. They operate efficiently from -55°C to +85°C, have a compact 40mm diameter disc, and provide reliable transient suppression with low clamping voltage and excellent environmental resilience.
Littelfuse V321DA40 Metal-Oxide Varistor Specifications:
- Physical: 40mm diameter disc
- Material: Copper with tin-plated terminals (DA Series), Brass with tin-plated terminals (DB Series)
- Operating Temperature Range: -55°C to +85°C
- Storage Temperature Range: -55°C to +125°C
- Peak Pulse Current: Up to 40,000 A (8/20µs waveform)
- Voltage Range: 130V to 750V AC, 175V to 970V DC
- Impulses: Single pulse energy from 270 to 1050 Joules
- Coating Insulation Resistance: 1000 MΩ
- Dielectric withstand voltage: 5000 V
- Dimensions: Diameter 40mm, height approximately 44.45mm with mounting holes
- Certifications: UL Recognized
- Environmental: RoHS compliant, humidity and thermal shock resistant
Buy the Littelfuse Series DA-DB Metal-Oxide Varistors: V321DA40
Secure reliable surge protection with the Littelfuse Metal-Oxide Varistor series designed for high-energy applications in industrial environments. These UL-recognized MOVs are built for demanding conditions like oil-drilling and mining, providing excellent transient suppression. Featuring a robust 40mm diameter disc, wide voltage range from 130V to 750V, and pulse current ratings up to 40,000 A, they ensure your motor controls and power supplies stay protected. Easy to install, RoHS compliant, and capable of withstanding extreme temperatures, these varistors offer dependable thermal and environmental resilience for industrial automation and electrical systems.
Order your Littelfuse Series DA-DB Metal-Oxide Varistor today and ensure your equipment is protected with high-energy surge suppression that lasts in tough industrial environments.
Frequently Asked Questions
Where can I buy Littelfuse V321DA40?
You can click on the BUY or RFQ button to purchase V321DA40 from an authorized Littelfuse distributor.
How do I troubleshoot issues or seek technical support for part V321DA40?
You can download the V321DA40 datasheet or visit the Littelfuse website for support.
Who is the manufacturer of V321DA40?
Littelfuse