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MERSEN Surge Protection Device: Three Phase, 480V AC Wye, 4 Poles, 5 Wires, L-G/L-L/L-N/N-G - DIN Rail Internal-Mount SPDs
MERSENDIN Rail Internal-Mount SPDs

MERSEN Surge Protection Device: Three Phase, 480V AC Wye, 4 Poles, 5 Wires, L-G/L-L/L-N/N-G

The MERSEN STP480YN07M is a three-phase DIN Rail internal-mount surge protective device (SPD) rated for 480V AC Wye systems with 5 wires and 4 poles. It provides L-L mode protection, a voltage protection rating of…

SKU 3G-OTH-22839

Brand
MERSEN
Item
Surge Protection Device: Three Phase, 480V AC Wye, 4 Poles, 5 Wires, L-G/L-L/L-N/N-G
Category
DIN Rail Internal-Mount SPDs
Available to Order
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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

Technical Specifications

MERSEN
Manufacturer Part Number
STP480YN07M
Type
L-G/L-L/L-N/N-G, 200kA
Poles
4
Wires
5
AC Wye
480V
Voltage
480V AC Wye
Includes
Form C Dry Contact
Filtering
No
Mounting Style
DIN-Rail
Number of Wires
5 Wires
Enclosure Material
Polyethylene Terephthalate
Modes of Protection
L-L
Voltage Protection Rating
1000V (L-N)
Short Circuit Current Rating
200kA
Max. Continuing Operating Voltage
175/320/495/640 V AC

Technical Documents

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MERSEN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The MERSEN STP480YN07M is a three-phase DIN Rail internal-mount surge protective device (SPD) rated for 480V AC Wye systems with 5 wires and 4 poles. It provides L-L mode protection, a voltage protection rating of 1000V (L-N), and a short circuit current rating of 200kA. The SPD includes a Form C dry contact and has a maximum continuous operating voltage of 175/320/495/640 V AC, housed in a polyethylene terephthalate enclosure.

Frequently Asked Questions

What is the MERSEN STP480YN07M surge protection device used for?

The MERSEN STP480YN07M is a three-phase DIN Rail internal-mount SPD used to protect industrial electrical equipment from transient overvoltages and surges on 480V AC Wye systems. It is commonly applied in manufacturing plants, data centers, and commercial facilities to safeguard sensitive electronics and machinery.

What are the specifications of the MERSEN STP480YN07M?

The MERSEN STP480YN07M is rated for 480V AC Wye, 4 poles, 5 wires, with L-L mode protection. It has a voltage protection rating of 1000V (L-N), a short circuit current rating of 200kA, and a maximum continuous operating voltage of 175/320/495/640 V AC. It includes a Form C dry contact and has a polyethylene terephthalate enclosure.

Where to buy the MERSEN STP480YN07M worldwide?

You can source the MERSEN STP480YN07M 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 STP480YN07M surge protection device?

Install the MERSEN STP480YN07M on a DIN rail inside an electrical panel. Ensure the system is de-energized, then connect the SPD according to the wiring diagram for 480V AC Wye with 5 wires. Use appropriate overcurrent protection and verify the Form C dry contact connections. Follow all local electrical codes and manufacturer guidelines for safe installation.

Used in

Common applications for MERSEN
Power electronics protection — MERSEN A70Q series semiconductor fuses in variable frequency drives for motor control.
Surge protection for industrial panels — MERSEN STP480D07 SPDs in three-phase 480V AC distribution boards.
Control circuit overcurrent protection — MERSEN ATM series midget fuses in PLC and instrumentation cabinets.
Power distribution in manufacturing — MERSEN FSPDB4A finger-safe blocks in motor control centers for wire management.
DC bus protection in renewable energy — MERSEN A30QS series fuses in solar inverter DC inputs.
High-voltage semiconductor protection — MERSEN A70Q series fuses in welding equipment power supplies.

MERSEN Products

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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
MERSEN Surge Protection Device: Three Phase, 480V AC Wye, 4 Poles, 5 Wires, L-G/L-L/L-N/N-G, 200kA (MPN STP480YN07)
MERSEN
MERSEN Surge Protection Device: Three Phase, 480V AC Wye, 4 Poles, 5 Wires, L-G/L-L/L-N/N-G, 200kA (MPN STP480YN07)
MERSEN Surge Protection Device: Three Phase, 480V AC Wye, 3 Poles, 4 Wires, L-L/L-N, 320/640 V AC (MPN STP480Y07M)
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MERSEN Surge Protection Device: Three Phase, 480V AC Wye, 3 Poles, 4 Wires, L-L/L-N, 320/640 V AC (MPN STP480Y07M)
MERSEN Surge Protection Device: Single Phase, 240/480V AC, 2 Poles, 3 Wires, L-L/L-N, 275/550 V AC (MPN STP480S07)
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MERSEN Surge Protection Device: Single Phase, 240/480V AC, 2 Poles, 3 Wires, L-L/L-N, 275/550 V AC (MPN STP480S07)
MERSEN Surge Protection Device: Three Phase, 480V AC Delta, 3 Poles, 4 Wires, L-G/L-L, 550/1100 V AC (MPN STP480D07M)
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MERSEN Surge Protection Device: Three Phase, 480V AC Delta, 3 Poles, 4 Wires, L-G/L-L, 550/1100 V AC (MPN STP480D07M)
MERSEN Surge Protection Device: Three Phase, 480V AC Delta, 3 Poles, 4 Wires, L-G/L-L, 550/1100 V AC (MPN STP480D07)
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MERSEN Surge Protection Device: Three Phase, 480V AC Delta, 3 Poles, 4 Wires, L-G/L-L, 550/1100 V AC (MPN STP480D07)
MERSEN Surge Protection Device: Three Phase, 347/600V AC Wye, 3 Poles, 4 Wires, L-L/L-N, 200kA (MPN STP600Y07M)
MERSEN
MERSEN Surge Protection Device: Three Phase, 347/600V AC Wye, 3 Poles, 4 Wires, L-L/L-N, 200kA (MPN STP600Y07M)

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MERSEN Surge Protection Device: Three Phase, 480V AC Wye, 3 Poles, 4 Wires, L-L/L-N, 320/640 V AC (MPN STP480Y07)
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MERSEN Surge Protection Device: Single Phase, 230V AC, 1 Poles, 2 Wires, L-N, 275 V AC, 600V (L-N) (MPN STP230P07)
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MERSEN Surge Protection Device: Single Phase, 230V AC, 1 Poles, 2 Wires, L-N, 275 V AC, 600V (L-N) (MPN STP230P07)
MERSEN Surge Protection Device: Three Phase, 347/600V AC Wye, 4 Poles, 5 Wires, L-G/L-L/L-N/N-G (MPN STP600YN07)
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MERSEN Surge Protection Device: Three Phase, 347/600V AC Wye, 3 Poles, 4 Wires, L-L/L-N, 200kA (MPN STP600Y07)
MERSEN Surge Protection Device: Three Phase, 240V AC Delta, 3 Poles, 4 Wires, L-G/L-L, 275/550 V AC (MPN STP240D07)
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MERSEN Surge Protection Device: Three Phase, 240V AC Delta, 3 Poles, 4 Wires, L-G/L-L, 275/550 V AC (MPN STP240D07)
MERSEN Surge Protection Device: Single Phase, 277V AC, 1 Poles, 2 Wires, L-N, 320 V AC, 600V (L-N) (MPN STP277P07M)
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MERSEN Surge Protection Device: Single Phase, 277V AC, 1 Poles, 2 Wires, L-N, 320 V AC, 600V (L-N) (MPN STP277P07M)
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MERSEN Surge Protection Device: single Phase, 240/480VAC Split, 2 Poles, 2 Wires, L-L/L-N, 240/480 V (MPN STP480S07M)