SolaHD STV25K-24S STV25K DIN Rail Surge Protective Device 240V Single Phase
The SolaHD STV25K-24S is a compact industrial DIN rail surge protective device designed to provide point-of-use protection against damaging voltage transients. Intended for 240 VAC single-phase systems, it provides 25,000 Amps of surge protection per phase and helps protect control cabinets, automation equipment, instrumentation and sensitive electronic loads.
| Part Number | STV25K-24S |
| Current SolaHD Ordering Number | STV25K24S |
| Input Voltage | 240 VAC Single Phase, 0–260 Vrms |
| Maximum Continuous Operating Voltage | 300 Vrms |
| Input Current Rating | 20 Amps Maximum |
| Phase Configuration | Single Phase, 2 Wire + Ground |
| Line Configuration | Line to Line (L1–L2) |
| Line Frequency | 47–63 Hz |
| Mounting Type | DIN Rail Mount |
| Peak Surge Current | 25,000 Amps Per Phase |
| Nominal Discharge Current | 3 kA |
| Short Circuit Current Rating | 5 kA |
| Voltage Protection Rating | 900 Vpeak (L–L and L–G) |
| Response Time | Less Than 0.5 Nanoseconds |
The SolaHD STV25K Series provides dedicated point-of-use protection against damaging electrical transients. Its compact DIN rail design is ideal for installation inside industrial control cabinets, automation panels and other equipment enclosures where panel space is limited.
The STV25K-24S combines high-energy surge suppression with sine wave tracking and all-mode protection. It protects the applicable line, ground and neutral electrical paths while providing visual and remote status indication through a green LED and form C dry contacts.
Applications- Industrial automation control cabinets
- Point-of-use industrial and service equipment
- Remote commercial or industrial equipment
- Instrumentation and large test equipment
- Commercial building automation systems
- PLC and HMI control panels
- Machine control systems
- OEM industrial equipment
Features- Compact DIN rail design maximizes control-panel space
- 25,000 Amps of surge protection per phase
- 240 VAC single-phase input
- 20 Amp maximum input current rating
- Sine wave tracking for enhanced transient suppression
- All-mode protection on applicable electrical paths
- Low clamping levels for effective equipment protection
- Thermal fusing helps prevent MOV overheating
- Green LED operating-status indication
- Form C dry contacts for remote status monitoring
- DIN rail mounting with screw terminals
- Metal IP20 enclosure
- Response time of less than 0.5 nanoseconds
- Normal-mode noise attenuation of at least 50 dB
- Common-mode noise attenuation of at least 40 dB
- Operating temperature from -40°C to +60°C
- UL Recognized Component
- UL 1449 Type 2CA and UL 1283
- ABS Type Approval
- Ten-year limited warranty
Related Products- STFE Elite DIN Rail Tracking Filters with Surge Protection
- STFV Plus Tracking Filters with Surge Protection
- SolaHD DIN Rail Power Supplies
- SolaHD DIN Rail AC UPS Systems
- SolaHD Industrial Control Transformers
SpecificationsSee the Manufacturer's Data Sheet tab below for complete electrical specifications, dimensional drawings, connection information, certifications and installation requirements.
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