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STV25K Series Instruction Manual • 4

1.0 Installation & Operation

The SolaHD STV25K Series Surge Protective Device is a high-quality transient 

diversion system designed to protect sensitive equipment from damaging transient 

voltage surges resulting from load switching, lightning strikes, and other sources.
The installer should perform the following steps to ensure a quality installation. 

Please read all instructions before starting the installation of this product. These 

instructions do not replace national or local electrical codes. Check applicable 

codes to ensure compliance.

!

 

DANGER!

 Only qualified personnel should install or service this system. Elec-

trical safety precautions must be followed when installing or servicing this equipment. 

To prevent risk of electrical shock, turn off and lock out all power sources to the unit 

before making electrical connections or servicing.

1.1 Environment

The unit is designed for indoor operation in an ambient temperature range of 

-40°C to +60°C (-40°F to +140°F), with a relative humidity of 0% to 95% non-

condensing. 
Do not install in areas with excessive dust, corrosive vapors, flammable materials, 

or explosive atmospheres.

1.2 Mechanical Dimensions

Summary of Contents for STV25K Series

Page 1: ...Surge Protective Devices STV25K Series Instruction Manual ...

Page 2: ......

Page 3: ...oup LLC All rights reserved Specifications are subject to change without notice Contents 1 0 Installation Operation 4 1 1 Environment 4 1 2 Mechanical Dimensions 4 1 3 DIN Rail Mounting 5 1 4 Supplemental Enclosures 5 1 5 Maximum Current Capability 5 1 6 Recommended Fuse 5 1 7 Nominal Voltage 5 1 8 Summary Alarm Contacts 6 1 9 Conductor Size 6 1 10 Grounding 6 1 11 Voltage Protection Ratings 6 1 1...

Page 4: ...replace national or local electrical codes Check applicable codes to ensure compliance DANGER Only qualified personnel should install or service this system Elec trical safety precautions must be followed when installing or servicing this equipment To prevent risk of electrical shock turn off and lock out all power sources to the unit before making electrical connections or servicing 1 1 Environme...

Page 5: ... enclosure and located to prevent acci dental contact with terminals during maintenance and service 1 5 Maximum Current Capability The total current draw in which the STV25K may continuously handle is 20 A NOTE Overloading the unit can cause permanently damage 1 6 Recommended Fuse Bussman type SC 25 Class G rated 250 V ac minimum 25 A maximum or equivalent 1 7 Nominal Voltage The maximum continuou...

Page 6: ...oratories Inc in accordance with ANSI UL 1449 3rd edition the Standard for Safety Surge Protective Devices SPDs 12 AWG wire must be utilized to connect the STV25K to your protected load Connections made with conductors other that 12 AWG may result in different VPRs 1 12 Wiring Connections Before making connections to the unit verify that the unit model number and nameplate voltage rating are appro...

Page 7: ...tings Power Source Configurations Model STV25K 10S Nominal Voltage 50 60 Hz 120 V ac System Configuration Single phase 2W G Source Configuration Model STV25K 24S Nominal Voltage 50 60 Hz 240 V ac System Configuration Single phase 2W G Source Configuration ...

Page 8: ...es of Protection All Modes L N L L L G N G EMI RFI Noise Rejection Normal mode 50 dB minimum Common mode 40 dB minimum Operating Temperature 40 C to 60 C 40 F to 140 F Operating Humidity 0 to 95 non condensing Dimensions D x W x H 4 35 in x 2 56 in x 4 84 in 110 5 mm x 65 0 mm x 122 9 mm Net Weight 3 0 lb 1 36 kg Enclosure Metal IP20 Mounting Type DIN rail mounting NOTE Optional chassis mounting b...

Page 9: ...ation Warranty 3 1 Product Registration To register your product for updates and information on service and support visit our Web site at http www solahd com support registration htm 3 2 Warranty Information Please see the Terms Conditions of Sale ...

Page 10: ...NOTES ...

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Page 12: ...P N 82166 Rev 1 May 2011 www solahd com 800 377 4384 847 268 6651 solahd technicalservices emerson com ...

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