MERSEN STP480YN05M External Surface-Mount SPD, 277/480VAC Wye, 75kA, 480V
The MERSEN SPD: Three Phase is an external surface-mount surge protective device designed for 277/480VAC Wye electrical systems. It features a maximum surge current per mode of 75 kA, a voltage protection rating of…
SKU 3G-OTH-21819
Local availability & support — Singapore
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Product Description
The MERSEN SPD: Three Phase is an external surface-mount surge protective device designed for 277/480VAC Wye electrical systems. It features a maximum surge current per mode of 75 kA, a voltage protection rating of 1000V (N-G), and a maximum continuing operating voltage of 480 V. This unit includes a microswitch for monitoring and is identified by manufacturer part number STP480YN05M.
Frequently Asked Questions
What is the MERSEN STP480YN05M SPD used for?
The MERSEN STP480YN05M is an external surface-mount surge protective device (SPD) used to protect three-phase 277/480VAC Wye electrical systems from transient overvoltages. It is commonly applied in commercial and industrial facilities to safeguard sensitive equipment against lightning strikes and switching surges.
What are the specifications of the MERSEN STP480YN05M SPD?
The MERSEN STP480YN05M SPD operates at 277/480VAC Wye with a maximum continuing operating voltage of 480 V. It offers a voltage protection rating of 1000V (N-G) and a maximum surge current per mode of 75 kA. The unit includes a microswitch for remote monitoring and is identified by MPN STP480YN05M.
Where to buy the MERSEN STP480YN05M SPD worldwide?
You can source the MERSEN STP480YN05M SPD worldwide through 3G Electric, a global industrial equipment distributor established in 1990. 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact them for availability and lead time on this MERSEN surge protective device.
How to install the MERSEN STP480YN05M SPD?
Install the MERSEN STP480YN05M SPD externally on a 277/480VAC Wye system following the manufacturer's wiring diagram. Ensure the unit is connected to the appropriate overcurrent protection and that the microswitch is wired for remote indication. Always de-energize the system before installation and consult a qualified electrician.
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3G Electric supplies MERSEN external surface-mount spds. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
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Compatible alternatives & equivalents
- MERSEN Single-phase DIN Rail internal-mount surge protective device for 240/480VAC split systems. Provides L-N protection with a voltage protection rating of 600V (L-N), short-circuit current rating of 200 kA, and maximum continuous operating voltage of 240/480 V. Includes a microswitch for remote monitoring. Suitable for use in industrial control panels and power distribution equipment
- MERSEN Three-phase surge protective device for 480V AC Delta systems. Provides L-L mode protection with a voltage protection rating of 3000V (L-L) and a short circuit current rating of 200kA. Includes a Form C dry contact. Housed in a polyethylene terephthalate enclosure. Suitable for DIN-rail mounting in power distribution panels