DEHN STC 230 Surge Protective Device Type 3, 230 V, Terminal Connection, Red 924350

Electricians and panel builders install the DEHN STC 230 in distribution boards and control cabinets to protect sensitive electronics from transient overvoltages. This compact Type 3 surge protective device connects directly via terminals and is suitable for 230 V AC circuits at 50/60 Hz.

Key specifications

• Nominal voltage: 230 V AC
• Max. continuous operating voltage: 255 V AC
• Nominal discharge current: 1.5 kA (8/20 µs)
• Max. discharge current: 5 kA (8/20 µs)
• Voltage protection level: ≤ 1.2 kV
• Connection type: Terminal
• Housing material: Thermoplastic
• Colour: Red
• Cable length: 0.12 m
• Protection modes: L-N, L-PE, N-PE
• Response time: < 25 ns
• Operating temperature: -40 °C to +80 °C

Why choose it

The DEHN STC 230 offers reliable surge protection in a space-saving design. Its thermoplastic housing is durable, and the terminal connection ensures a secure fit. With a response time under 25 ns, it reacts quickly to voltage spikes, safeguarding connected equipment.

Ideal use cases

• Protecting control circuits in industrial panels
• Safeguarding HVAC and building automation systems
• Retrofitting surge protection in existing installations

Good to know

This device is designed for direct terminal connection and can be mounted in standard enclosures. Its red housing allows for quick identification in crowded panels.