TM
Square DTM brand SurgelogicTM SDSA3650 products are compact
and affordable Surge Protective Devices (SPDs). SDSA3650 SPDs
offer a simple means to bring down initial surges to manageable
levels and can offer addtional value in a cascaded SPD system.
Their compact design allows surge suppression to be installed
adjacent to power panels or directly on sensitive equipment.
SDSA3650 SPDs
Square D Type 1
Surge Protective Devices
2
Document Number 9990-0120B March 2011 bw
Schneider Electric USA, Inc. 1751 S. 4800 W., Salt Lake City, UT 84104, USA Telephone: (801)-977-9009 Fax: (801)-977-0200 www.surgelogic.com
© 2011 Schneider Electric. All rights reserved.
SDSA3650 SPDs
Features
Performance
Surge Current Rating per Phase 40kA
Short Circuit Current Rating 200kA
Modes of Protection 6
Fusing Individually fused MOVs
Thermal Fusing Yes
Overcurrent Fusing Yes
Operating Frequency 50/60 Hz
Mechanical Description
Enclosure Plastic
NEMA Rating NEMA Type 4X
Connection Method #12 AWG
Weight 1.8 lbs
Mounting Method Close Nippled, Back Mounted
Operating Altitude Sea Level-12,000’ (3,658 m)
Storage Temperature -40˚ F to +149˚ F
(-40˚ C to +65˚ C)
Operating Temperature -40˚ F to +149˚ F
(-40˚ C to +65˚ C)
Diagnostics
Green status LED
Listings and Performance
cULus Listed per UL 1449 3rd edition Type 1 SPD,
UL 1283, CSA C22.2 No. 8-M1986, C233.1-87
CE marked (IEC 61643-11)
SDSA3650 SPDs
Superior Performance
Square D brand Surgelogic SDSA3650 SPDs
utilize high-energy suppression circuitry that
can be located at any point in the electrical
system. As a Type 1 rated device, they have
the flexibility to be used with or without an
Overcurrent Protection Device (OCPD).
SDSA3650 SPDs provide surge suppression
for equipment from severe transient
activity. Each metal oxide varistor (MOV)
is individually fused and the products
carry a NEMA Type 4X rating suitable for
installing indoors, outdoors, or in other harsh
environments.
Easy Installation
Surgelogic SDSA3650 SPDs are some of
the most versatile, yet compact devices
available on the market today. This compact
package can be mounted on an electrical
panel, meter socket, or inside electrical
control cabinets.
Warranty
The SDSA3650 and SDSA3650D warranty is
2 years.
0.5 [17.7]
NPT straight
3.00
[76]
3.60
[92]
3.39
[86]
2.64
[67]
in.
[mm]
Voltage
Surge Current
per Phase
Modes of
Protection Configuration Model Number MCOV SCCR In
VPR
L-N L-G L-L N-G
600Y/347V140kA 63 Ø, 4-wire SDSA3650 750V L-N 1500V L-L 200kA 10kA 2500V N/A 4000V N/A
600V Delta240kA 33 Ø, 3-wire SDSA3650D 1500V L-L 200kA 10kA N/A N/A 4000V N/A
1 Applicable voltages: 120/240V, 208Y/120V, 380Y/220V, 400Y/230V, 480Y/277V, 600Y/347V
2 Applicable voltages: 240V Delta, 480V Delta, 600V Delta
The SDSA3650 is a four-wire surge suppressor designed for use on all solidly grounded systems up to 600Y/347 Vac. The SDSA3650D is a
three-wire surge suppressor designed for delta applications up to 600 Vac.
Square D and SurgeLogic are trademarks or registered trademarks of Schneider Electric and/or its affiliates in the United States and/or other countries. Other marks used
herein may be the property of their respective owners.
