CSFi - Din Rail Compact Surge Filter The CSFi is designed for mounting in distribution boards to provide secondary protection against power surges caused by external sources such as lightning strikes and substation switching as well as providing a measure of protection from surge events generated on the secondary side of the filter.
The CSFi is a 3-stage protection unit utilising primary and secondary MOV protection in conjunction with a Low-Q LC filter. In addition, the unit also provides filtering of the line harmonics, noise and RF transmitters with a cut-off frequency of <10kHz and a nominal attenuation of 45dB
All CSFi units are provided with indicators showing power and protection status. Alarms are indicated on the front panel of the unit. The alarm function provides a summary alarm output for protection degradation as well as power failure. The protection alarm is configured to partial protection failure. The summary alarm relay contacts provide remote signaling to other equipment.
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Product Highlights |
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Surge suppression and filtering in a single package |
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3 mode protection |
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High surge suppression rating |
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Remote alarm contacts standard |
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3 stage protection |
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12 month warranty |
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Model |
CSFi |
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Input voltage |
200-250VAC 1phase |
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Service type |
TT, TN, TN C-S or any single-phase system with a grounded neutral. This unit must not be connected to an ungrounded system |
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Energy Absorption |
Primary protection L-N =370J
Primary common mode protection L-E &N-E =480J
Secondary protection L-N =225J
Secondary common mode protection L-E &N-E =480J
Aggregate rating = 1555J |
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Current rating – continuous |
3 - 25A |
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Recommended max. over current protection |
25A (C curve MCB 25A) |
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Protection modes |
Line-Neutral, Line-Earth, Neutral-Earth |
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In 8/20us (Line-Neutral)
Nominal surge life |
10kA x 20 hits |
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In 8/20us (Line-Earth)
Nominal surge life |
3kA x 20 hits |
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In 8/20us (Neutral-Earth)
Nominal surge life |
3kA x 20 hits |
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Ismax 8/20us (Line-Neutral)
Max. surge life |
25kA |
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Ismax 8/20us (Line-Earth)
Max. surge life |
10kA |
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Ismax 8/20us (Neutral-Earth)
Max. surge life |
10kA |
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Filter attenuation |
45dB nominal above 1MHz |
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Internal protection (fusing) |
All surge diverter connections are fused via HRC fuses to IEC269-2-1 |
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Terminations |
6mm2 PCB Mounted Terminals |
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Alarms/indicators |
2 LED display,Power OK &Protection OK LEDs,Dry contact alarm relay output – 250Vac//32Vdc,5A, 5kV isolation, Alarm under-voltage cutoff 180Vac |
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Location Category |
Indoor |
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Enclosure rating |
IP24 |
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Design Standards: |
IEC61643-1, IEC610006-1,2,3,4 ANSI/IEEE C62.41 Cat B,C,D,E AS1768-1991 Cat B,C,D,E AS3000,AS3100, CE mark |
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Dimensions & Weight |
270mm (H) x 145mm (W) x 47 (D), 1.5kg |
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Environment |
C, 10 to 90%RH (non-condensing)°-10 to 65 |
price $308.00 inc gst , plus delivery
Does not include installation
WARNING: It is illegal for persons other than licensed electrical mechanics, or persons authorised by legislation, to work on fixed wiring of any electrical installation.
