Page last updated Jul 16, 2011 @ 12:18am

QSA1515SPD, QSA2020SPD
MSA1515SPD, MAS2020SPD
(supersedes QSA2020TVSS)

Qsa2020.gif (19986 bytes)    ArresterComparison.gif (27742 bytes)       
click on thumbnail image above to enlarge

Surge Arrester with
15A or 20A Circuit Breakers

 

The Siemens circuit breaker and Surge Protective Device (SPD) is comprised of a highly effective TVSS integrated with (2) 1-pole circuit breakers. This device incorporates the robust features of a secondary circuit breaker surge arrester with a lower clamping voltage ratings.

Two green LED indicator lights are provided to show that surge protection is provided for all circuits connected to the panelboard. As a Siemens exclusive feature, the device notifies the owner of loss of surge protection by tripping one or both of the circuit breakers. These breakers should be used for circuit protection of frequently used household or facility circuits because the lights and devices connected to these circuits provide an effective indication that surge protection is being provided.

If one or both of the circuit breakers have tripped, turn both circuit breakers to the "OFF" then "ON" position. If either light is not illuminated, the device may still be used for circuit protection, but surge protection is no longer provided and the device should be replaced by a qualified electrician.

The circuit breaker and transient voltage surge suppressors utilize Siemens-built 150V AC, 40mm, metal oxide varistors (MOVs). The maximum impulse rating for the SPD module is 40kA. The standard interrupting rating for the circuit breakers is 10k AIC. The circuit breakers are SWD and HACR rated.

All Type QP circuit breakers and transient voltage surge suppressors are plug-on style, with load terminals provided. The devices are rated for 120/240V AC and are calibrated for 40 degrees C maximum ambient applications.  

This item is UL Listed for use with Siemens/I-T-E load center panels.  It may also fit some other manufacturers' load center panels that accept standard interchangeable 1 inch breakers but this is not guaranteed.  Note, this item may not fit GE load centers even though they use interchangeable 1 inch breakers.  This item does not fit Square D HOM panels.  Warranty 2-years, $20,000.

This device protects against most internally generated surges and lightning strikes that are not direct.  It will not protect electrical equipment from a direct lightning strike.

 

Detailed Specifications

Parameter Value
Clamping Voltage @ 1 ma leakage current 240V
Discharge Voltage @ 3,000 amps   500V peak line-to-neutral
1000V peak line-to-line
Discharge Voltage Characteristic @ 1,500A, 600 volts
@ 5,000A, 800 volts
(both line-to-neutral)
Discharge Current Rating 10,000 amps, line to neutral
Peak Current Rating (impulse) 40,000 amps
Transient Energy Rating 360 Joules line-to-neutral
720 Joules line-to-line

 

Available models:

15A for Siemens


Item Number: QSA1515SPD
Price: $99
Price last updated 8/12/2016
Shipping Weight: 1.2 lbs.
This item normally ships in approximately 3 days or less.
15A for Murray


Item Number: MSA1515SPD
Price: $99
Price last updated 8/13/2016
Shipping Weight: 1.2 lbs.
This item normally ships in approximately 1-2 weeks or less.
20A for Siemens


Item Number: QSA2020SPD
Price: $99
Price last updated 8/12/2016
Shipping Weight: 1.2 lbs.
This item normally ships in approximately 3 days or less.
20A for Murray


Item Number: MSA2020SPD
Price: $151
Price last updated 9/20/2011
Shipping Weight: 1.2 lbs.
This item normally ships in approximately 1-2 weeks or less.

 

 

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