MERSEN Surge Protection Device: Single Phase, 120V AC, 1 Poles, 2 Wires, L-N, 175 V AC
The MERSEN STP120P07 is a single-phase, DIN-rail internal-mount surge protection device (SPD) rated for 120V AC with a 2-wire L-N protection mode. It offers a voltage protection rating of 600V (L-N), a short-circuit…
SKU 3G-OTH-22655
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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Product Description
The MERSEN STP120P07 is a single-phase, DIN-rail internal-mount surge protection device (SPD) rated for 120V AC with a 2-wire L-N protection mode. It offers a voltage protection rating of 600V (L-N), a short-circuit current rating of 200kA, and a maximum continuous operating voltage of 175 V AC. The unit features a polyethylene terephthalate enclosure and does not include filtering.
Frequently Asked Questions
What is the MERSEN STP120P07 surge protection device used for?
The MERSEN STP120P07 is a single-phase DIN-rail SPD that protects 120V AC equipment from transient overvoltages. It is commonly installed in industrial control panels, HVAC systems, and building automation to safeguard sensitive electronics against lightning-induced surges and switching transients.
What are the specifications of the MERSEN STP120P07?
The MERSEN STP120P07 is rated for 120V AC, 1 pole, 2 wires, with L-N protection mode. It has a maximum continuous operating voltage of 175 V AC, a voltage protection rating of 600V (L-N), and a short-circuit current rating of 200kA. The enclosure is polyethylene terephthalate, and it does not include filtering.
Where to buy the MERSEN STP120P07 worldwide?
3G Electric supplies the MERSEN STP120P07 to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this single-phase DIN-rail SPD.
How to install the MERSEN STP120P07 on a DIN rail?
To install the MERSEN STP120P07, snap the SPD onto a standard 35mm DIN rail. Connect the line (L) and neutral (N) conductors per the wiring diagram, ensuring the supply is de-energized. Verify the system voltage does not exceed 175 V AC continuous. Follow local electrical codes and the manufacturer's instructions.
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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.
