Sensata Technologies
Sensata STHFMM-700A 690 VAC 500VDC
Product Code:STHFMM Series BS88-4
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Product Description
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Sensata STHFMM-700A 690 VAC 500VDC
Sensata STHFMM-700A High-Speed Semiconductor Fuse
The **Sensata STHFMM-700A** is a high-performance semiconductor fuse engineered for the protection of power electronics and industrial circuitry. Part of the **STHFMM Series (BS88-4 standard)**, these fuses provide exceptional electrical protection for high-current applications. Unlike standard metal-link fuses with wide blow-point variations, Sensata’s high-speed design ensures precision interruption for sensitive components. Rated for **690 VAC and 500 VDC**, it is optimized for modern electrified environments, offering a cleaner and more efficient solution for circuit safety in high-demand industrial power systems.
Product Highlights
- High-Speed Protection: Optimized for semiconductor and power electronic safety
- Dual Voltage Rating: Reliable performance across 690 VAC and 500 VDC systems
- BS88-4 Standard: Complies with British Standard requirements for high-speed fuses
- Precision Clearing: Engineered for narrow blow-point tolerances to protect sensitive loads
- Robust Interrupting Capacity: Designed to handle high fault currents in industrial settings
- Thermal Stability: Minimized aging effects for long-term operational reliability
Primary Applications
- Power Converters: Protection for rectifiers, inverters, and thyristors
- Variable Speed Drives: AC/DC motor drive circuit protection
- UPS Systems: Safeguarding critical Uninterruptible Power Supply components
- EV Infrastructure: High-current protection for DC fast-charging stations
- Battery Management: Protection for large-scale energy storage systems
- Industrial Electrification: Main circuit protection for connected factory power grids
Technical Specifications
| Manufacturer | Sensata Technologies |
|---|---|
| Series | STHFMM |
| Model Number | STHFMM-700A |
| Standard Compliance | BS88-4 |
| Rated Current (In) | 700A (Series range: 400A - 700A) |
| Rated Voltage (AC) | 690 VAC |
| Rated Voltage (DC) | 500 VDC |
| Fuse Type | High-Speed / Semiconductor Protection |
| Body Material | High-Temperature Industrial Ceramic / Alloy |
| Mounting Style | Bolted Tag (BS88 Style) |