MERSEN Surge Protection Device: Three Phase, 347/600V AC Wye, 3 Poles, 4 Wires
The MERSEN STP600Y07M is a three-phase DIN Rail internal-mount surge protective device (SPD) for 347/600V AC Wye systems with 4 wires and 3 poles. It provides L-L mode protection, a voltage protection rating of 1500V…
SKU 3G-OTH-22974
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Product Description
The MERSEN STP600Y07M is a three-phase DIN Rail internal-mount surge protective device (SPD) for 347/600V AC Wye systems with 4 wires and 3 poles. It provides L-L mode protection, a voltage protection rating of 1500V (L-N), a short circuit current rating of 200kA, and a max. continuing operating voltage of 420/840 V AC. This SPD includes a Form C dry contact and is housed in a polyethylene terephthalate enclosure.
Frequently Asked Questions
What is the MERSEN STP600Y07M surge protection device used for?
The MERSEN STP600Y07M is a three-phase DIN Rail internal-mount SPD designed to protect electrical equipment in 347/600V AC Wye systems from transient overvoltages. It is commonly used in industrial and commercial facilities where reliable surge suppression is critical for sensitive machinery and control systems.
What are the specifications of the MERSEN STP600Y07M?
The MERSEN STP600Y07M operates at 347/600V AC Wye with 4 wires and 3 poles. It provides L-L mode protection, a voltage protection rating of 1500V (L-N), a short circuit current rating of 200kA, and a max. continuing operating voltage of 420/840 V AC. It includes a Form C dry contact and has a polyethylene terephthalate enclosure.
Where to buy the MERSEN STP600Y07M worldwide?
You can source the MERSEN STP600Y07M 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 provide competitive pricing and reliable sourcing for this MERSEN surge protection device.
How to install the MERSEN STP600Y07M surge protection device?
Install the MERSEN STP600Y07M on a DIN rail inside a suitable electrical panel. Ensure the system is de-energized before mounting. Connect the SPD according to the L-L mode wiring diagram for 347/600V AC Wye systems, using appropriate overcurrent protection. The Form C dry contact can be wired to a monitoring system for remote status indication.
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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.














