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Surge Protective Devices

ABB offers the most comprehensive portfolio of Type 1 and Type 2 surge protective devices that can be externally or internally mounted. They help reduce costly downtime while protecting sensitive electronic equipment against damaging effects of transients caused by lightning, utility load switching, internal load switching, and more.


Current Technology Surge Protection

CG3 and CGP3 feature thermally protected MOVs to eliminate overvoltage, safeguarding your equipment and capital investments.
CGP3 includes dependable thermally protected MOVs and multiple monitoring options to help protect electrical equipment, electronic devices, and appliances against power…
Select® SL3™ was the first hybrid design in the market to offer protection to critical loads and downstream equipment from catastrophic overvoltages.
TransGuard®─TG3™ (TG3) surge protection devices protect and prevent costly downtime and equipment damage caused by routine or catastrophic electrical disturbances.
Choose our PX3™ suppression system when you need an externally mounted surge solution that can be physically attached to the top or bottom of any panelboard.
Current Technology MasterMind™ Monitoring system offers multiple levels of advanced, multifunction, power quality monitoring for SL3™, TG3™, and PX3™ suppression filter…
ISM™ Surge protective device offers breakthrough technology focused on current sharing, by eliminating reliance on PCB trace for conducting full surge current.
Dual shielded, triple insulated multi-core power conductor specially constructed to minimize interconnection impedance for SPD installations.
DTS-2 and MasterTest products provide active testing of on-site product performance.


An advance and cost-effective solution featuring thermally protected MOVs, various performance indicators, and multiple enclosure options to help you protect your equipment…
Dependable and effective, OVRHT3D SPDs protect critical power applications from the damaging effects of power surge events.  
OVRHR Type 1 Surge Protective Devices protect critical loads from damaging electrical transients and high-energy disturbances.
Compact and powerful, OVRHMSU SPD protects critical loads from damaging electrical transients, high-frequency noise, and high-energy disturbances.
Service entrance and mid-level distribution. The TPHE is available in 125 to 300 kA per mode.
Mid-level distribution and equipment level protection. The TPHE is available in 65 to 100 kA per mode.


OVR type 2 and Type 2+3 are designed to protect electric installations and sensitive equipment against indirect surges with ensuring a low protection level (Up). 
ABB’s OVR PV Type 2 DIN rail SPDs protect solar applications, up to 1500VDC, against sudden over-voltage from indirect and direct lightning events.

Data Line SPDs

Powerful and dependable, ABB’s OVR Data Line Surge Protective Devices help protect critical loads from damaging electrical surges and high-energy disturbances.
ABB’s space-saving, OVR RS485Q & SL RS485 Series SPDs protect critical loads from damaging electrical surges and high-energy disturbances.
ABB’s OVR SL Slim Series of Data Line SPDS protect critical loads from damaging electrical transients and high-energy disturbances.

Joslyn Surge Protection

Joslyn Surgitron I - service entrance surge protection - modular design

Residential Surge Protective Devices

THOMESURGE is a Type 1 SPD designed for service entrance or subpanel locations and provides surge protection for the entire home.
THQLSURGE is a Type 1 SPD with 25kVA per phase protection for 120/240 applications
THQLSURGE2 is a Type 1 plug-on SPD for 120/240 applications. The current rating is 25kA per phase protection.