Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
MERSEN STP480D07M DIN Rail Internal-Mount SPD - DIN Rail Internal-Mount SPDs
MERSENDIN Rail Internal-Mount SPDs

MERSEN STP480D07M DIN Rail Internal-Mount SPD

<p>The MERSEN STP480D07M is a DIN Rail internal-mount surge protective device (SPD) designed for 480V AC Delta systems. It features 3 poles, 4 wires, and provides line-to-line (L-L) protection with a voltage…

SKU 3G-OTH-22810

Brand
MERSEN
Item
STP480D07M DIN Rail Internal-Mount SPD
Part Number
STP480D07M
Category
DIN Rail Internal-Mount SPDs
Available to Order
Also known as:STP480D07MMERSEN
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
STP480D07M
Type
L-G/L-L
AC
550/1100 V
Poles
3
Wires
4
Voltage
480V AC Delta
AC Delta
480V
Includes
Form C Dry Contact
Filtering
No
Mounting Style
DIN-Rail
Number of Wires
4 Wires
Enclosure Material
Polyethylene Terephthalate
Modes of Protection
L-L
Voltage Protection Rating
3000V (L-L)
Short Circuit Current Rating
200kA
Max. Continuing Operating Voltage
550/1100 V AC

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

<p>The MERSEN STP480D07M is a DIN Rail internal-mount surge protective device (SPD) designed for 480V AC Delta systems. It features 3 poles, 4 wires, and provides line-to-line (L-L) protection with a voltage protection rating of 3000V (L-L). With a short circuit current rating of 200kA and a maximum continuous operating voltage of 550/1100V AC, it is built for robust industrial applications. The unit includes a Form C dry contact for remote monitoring and is housed in a durable polyethylene terephthalate enclosure.</p><p>This SPD is ideal for facilities managers and electrical contractors in Singapore and Southeast Asia seeking reliable surge protection for delta-configured equipment. As a Singapore-based supplier, 3G Electric offers SGD quotes on request, handles GST for local buyers, and provides fast delivery across Singapore and the SEA region.</p>

Frequently Asked Questions

What are the key specifications of the MERSEN STP480D07M?

The MERSEN STP480D07M is a 3-pole, 4-wire DIN Rail SPD for 480V AC Delta systems. It provides L-L protection with a voltage protection rating of 3000V (L-L), a short circuit current rating of 200kA, and a maximum continuous operating voltage of 550/1100V AC. It includes a Form C dry contact and has a polyethylene terephthalate enclosure.

Can I get a quote in SGD and what about GST and delivery?

Yes, 3G Electric provides quotes in SGD on request. For Singapore buyers, GST is handled. We offer fast delivery across Singapore and the SEA region.

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.
Not sure this is the right part? Photo-identify it

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

More from MERSEN

View all MERSEN parts
MERSEN
MERSEN
Three-phase DIN Rail internal-mount surge protective device for 120/208VAC Wye systems. Provides L-N mode protection with a voltage protection rating of 600V (L-N) and a short-circuit current rating of 200 kA. Includes a microswitch for remote monitoring. Suitable for protecting electrical equipment in commercial and industrial facilities from transient overvoltages
MERSEN
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
MERSEN
Single-phase surge protective device for DIN rail mounting, rated 240VAC with 200 kA short circuit current rating. Provides L-N mode protection with 600V (L-N) voltage protection rating and 240 V max. continuing operating voltage. Includes a microswitch for remote monitoring. Suitable for protecting electrical equipment in control panels and power distribution systems

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first