Smart electricity meters give building managers insight into and control over energy use. Littelfuse makes the solid state relays,


The 514 Series Fuse is a 6x32mm 500Vac ceramic body fuse with current ratings from 1.6A to 12.5A. It is ideally suited for AC power over-current protection in HVAC, Smart meters, Uninterruptible Power Supplies (UPS), and Three-Phase Power Supplies, and so on. This series fuse is RoHS compliant and 100% Pb free.
- Ceramic body with a compact footprint of 6.3x32mm
- High AC voltage rating of 500V with interrupting rating of 5,000A @ 500Vac
- 1.6 – 12.5A current rating Complementary to the existing high voltage Cartridge fuses
- Operating temperature range from -55°C to 125°C
514 Parts
Filters
Showing 1 to 12 of 15 Total Results
Part Number | Actions | Maximum AC Voltage (V) | Nominal Melting I2T (A2sec) | Body | Opening | Minimum Operating Temperature (°C) | Max Operating Temperature (°C) | Agency Approvals |
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Part Number | Actions | Maximum AC Voltage (V) | Nominal Melting I2T (A2sec) | Body | Opening | Minimum Operating Temperature (°C) | Max Operating Temperature (°C) | Agency Approvals | |
---|---|---|---|---|---|---|---|---|---|
350 | 0.171 | Glass Body Borosilicate | Fast-Acting (F) | -60 | 125 | cURus | |||
350 | 0.365 | Glass Body Borosilicate | Fast-Acting (F) | -60 | 125 | cURus | |||
350 | 1.05 | Glass Body Borosilicate | Fast-Acting (F) | -60 | 125 | cURus | |||
350 | 0.8 | Glass Body Borosilicate | Fast-Acting (F) | -60 | 125 | cURus / METI | |||
350 | 2.68 | Glass Body Borosilicate | Fast-Acting (F) | -60 | 125 | cURus / METI | |||
350 | 6.7 | Glass Body Borosilicate | Fast-Acting (F) | -60 | 125 | cURus / METI | |||
350 | 2.22 | Glass Body Borosilicate | Fast-Acting (F) | -60 | 125 | cURus / METI | |||
350 | 2.169 | Glass Body Borosilicate | Fast-Acting (F) | -60 | 125 | cURus / METI | |||
350 | 4.62 | Glass Body Borosilicate | Fast-Acting (F) | -60 | 125 | cURus / METI | |||
350 | 9.4 | Glass Body Borosilicate | Fast-Acting (F) | -60 | 125 | cURus / METI | |||
350 | 17 | Glass Body Borosilicate | Fast-Acting (F) | -60 | 125 | cURus / METI | |||
350 | 22.1 | Glass Body Borosilicate | Fast-Acting (F) | -60 | 125 | cURus / METI |
514 Applications

Electricity Meters
Highlights Section
- Commercial HVAC
- Smart Meters
- Industrial Inverter
- Industrial Automation
- Power Inverters
- Three-phase UPS
Series: 514 Resources

Circuit Protection Selection Guide
Consult this guide to learn about circuit protection considerations and the solutions Littelfuse offers. Tables help match products with applications.