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SQUARE D Surge Protection Device: Three Phase, 347/600V AC Wye, 1800V (L-N)/3000V (L-L) - Chase-Nipple External-Mount SPDs
SQUARE DChase-Nipple External-Mount SPDs

SQUARE D Surge Protection Device: Three Phase, 347/600V AC Wye, 1800V (L-N)/3000V (L-L)

The SQUARE D Surge Protection Device (SKU 3G-OTH-23091) is a three-phase, Chase-Nipple External-Mount SPD with a plastic enclosure. It operates at 347/600V AC Wye, with a Max. Continuing Operating Voltage of 510 V AC…

SKU 3G-OTH-23091

Also listed as: SDSA 3650 · SDSA-3650

Brand
SQUARE D
Item
Surge Protection Device: Three Phase, 347/600V AC Wye, 1800V
Category
Chase-Nipple External-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

SQUARE D
Manufacturer Part Number
SDSA3650
Type
1800V (L-N)/3000V (L-L)
AC
510 V
AC Wye
347/600V
Voltage
347/600V AC Wye
Enclosure Material
Plastic
Voltage Protection Rating
3000V (L-L)
Max. Surge Current per Mode
40kA
Max. Continuing Operating Voltage
510 V AC

Technical Documents

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

Product Description

The SQUARE D Surge Protection Device (SKU 3G-OTH-23091) is a three-phase, Chase-Nipple External-Mount SPD with a plastic enclosure. It operates at 347/600V AC Wye, with a Max. Continuing Operating Voltage of 510 V AC and a Voltage Protection Rating of 3000V (L-L). The device provides a Max. Surge Current per Mode of 40kA, as specified by the manufacturer part number SDSA3650.

Frequently Asked Questions

What is the SQUARE D SDSA3650 surge protection device used for?

The SQUARE D SDSA3650 is a three-phase surge protection device (SPD) used to protect industrial electrical equipment from voltage transients and surges. It is designed for 347/600V AC Wye systems and is commonly installed in panelboards, switchgear, and motor control centers to safeguard sensitive electronics.

What are the specifications of the SQUARE D SDSA3650?

The SQUARE D SDSA3650 is a three-phase SPD with a voltage rating of 347/600V AC Wye, a max. continuing operating voltage of 510 V AC, and a voltage protection rating of 3000V (L-L). It provides a max. surge current per mode of 40kA and features a plastic enclosure with a chase-nipple external-mount design.

Where to buy the SQUARE D SDSA3650 worldwide?

You can source the SQUARE D SDSA3650 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 SQUARE D surge protection devices to industrial buyers globally.

How to install the SQUARE D SDSA3650 surge protection device?

Install the SQUARE D SDSA3650 by mounting it externally via the chase nipple to a panel or enclosure. Connect the three-phase wires (L1, L2, L3) and neutral to the corresponding terminals, and ground the device per local codes. Ensure the system voltage matches the 347/600V AC Wye rating before energizing.

Used in

Common applications for SQUARE D
Commercial building electrical panels — Square D QO series plug-in circuit breakers for branch circuit protection
Industrial motor control centers — Square D QOB series bolt-on breakers in NQOD panelboards
Heating equipment installations — Square D QOU series unit-mount breakers for overcurrent protection
Outdoor electrical distribution — Square D L-Frame enclosures housing LAL/LHL breakers for 400 A service
Indoor facility power distribution — Square D Q-Frame enclosures with QBL/QDL breakers for 225 A circuits
Retrofit and replacement in existing Square D load centers — QO series breakers for 120/240V AC systems

SQUARE D Products

3G Electric supplies SQUARE D chase-nipple external-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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