MERSEN STP277P07 Surge Protection Device, 1-Pole, 277V AC, L-N, 200kA
The MERSEN STP277P07 is a single-phase, DIN-rail internal-mount surge protection device (SPD) rated for 277V AC with a 200kA short-circuit current rating. It provides L-N mode protection with a voltage protection…
SKU 3G-OTH-22747
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Product Description
The MERSEN STP277P07 is a single-phase, DIN-rail internal-mount surge protection device (SPD) rated for 277V AC with a 200kA short-circuit current rating. It provides L-N mode protection with a voltage protection rating of 600V (L-N) and a maximum continuous operating voltage of 320 V AC. This 2-wire, 1-pole unit features a polyethylene terephthalate enclosure and no filtering.
Frequently Asked Questions
What is the MERSEN STP277P07 surge protection device used for?
The MERSEN STP277P07 is a single-phase DIN-rail surge protection device (SPD) used to protect electrical equipment from voltage transients and surges in L-N mode. It is commonly installed in commercial and industrial power distribution panels where 277V AC circuits require reliable surge suppression.
What are the specifications of the MERSEN STP277P07?
The MERSEN STP277P07 is a 1-pole, 2-wire SPD rated for 277V AC with a maximum continuous operating voltage of 320 V AC. It offers L-N mode protection with a voltage protection rating of 600V (L-N) and a short-circuit current rating of 200kA. The enclosure is made of polyethylene terephthalate, and it has no filtering.
Where to buy the MERSEN STP277P07 worldwide?
You can source the MERSEN STP277P07 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine MERSEN surge protection devices for your projects.
How to install the MERSEN STP277P07 on a DIN rail?
To install the MERSEN STP277P07, mount it onto a standard DIN rail in your panel, ensuring the L-N connections match the 277V AC circuit. Follow the manufacturer's wiring diagram for proper L-N mode protection. Always disconnect power before installation and verify the SPD's voltage rating matches your system.
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3G Electric supplies MERSEN din rail internal-mount spds. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
