
SAMLEX AMERICA INC. | 43
10.4 HIGH DC INPUT VOLTAGE SHUTDOWN
*GUIFWPMUBHFBUUIF%$JOQVUUFSNJOBMTSJTFTUP7PSIJHIFSGPS145145
PSUP7PSIJHIFSGPS145145UIF"$PVUQVUWPMUBHFXJMMCF
TIVUEPXOUFNQPSBSJMZ#V[[FSBMBSNXJMMCFTPVOEFE5IF(SFFO-&%NBSLFE108&3
'JHXJMMSFNBJOMJHIUFE5IF(SFFOJOEJDBUPSMJHIUPOUIF('$*XJMMCF0''5IF
VOJUXJMMCFSFTFUBVUPNBUJDBMMZXIFOUIFWPMUBHFESPQTEPXOUP7GPS145
145PSUP7GPS145145
10.5 OVER-TEMPERATURE SHUT DOWN
In case of failure of the cooling fans or in the case of inadequate heat removal due to
IJHIFSBNCJFOUUFNQFSBUVSFTJOTVGåDJFOUBJSFYDIBOHFUIFUFNQFSBUVSFJOTJEFUIFVOJU
will increase. The temperature of a critical hot spot inside the inverter is monitored, and
BU¡$¡$UIF"$PVUQVUPGUIFJOWFSUFSJTTIVUEPXOUFNQPSBSJMZ#V[[FSBMBSNXJMM
CFTPVOEFE5IF(SFFO-&%NBSLFE108&3 'JHXJMMSFNBJOMJHIUFE5IF(SFFO
JOEJDBUJPOMJHIUPOUIF('$*XJMMCF0''
5IFVOJUXJMMBVUPNBUJDBMMZSFTFUBGUFSUIFIPUTQPUIBTDPPMFEEPXOUP¡$¡$
10.6 GROUND FAULT / LEAKAGE PROTECTION
"$0VUQVUJTTVQQMJFEUISPVHI/&."3('$*%VQMFY3FDFQUBDMF 'JHBOEBMTP
UISPVHIIBSEXJSJOH 'JH5IF('$*XJMMUSJQJGUIFSFJTUPN"MFBLBHF(SPVOE
GBVMUPOUIFMPBETJEFPSJG/FVUSBMBOE(SPVOEBSFCPOEFEPOUIFMPBETJEF8IFO
USJQQFEUIF(SFFO-&%JOEJDBUJPOXJMMCFTXJUDIFE0''3FNPWFUIFDBVTFPGUSJQQJOH
4XJUDI0/UIFJOWFSUFSJG0''BOEUIFOQSFTTUIF3FTFU#VUUPOPOUIF('$*UPSFTFU
('$*XJMMOPUSFTFUJGUIFJOWFSUFSJT0''BOEUIFSFJTOP"$WPMBUHFPOUIFJOUFSOBM-JOF
4JEFPGUIF('$*
10.7 INTERNAL DC SIDE FUSES
5IFGPMMPXJOH%$TJEFGVTFTIBWFCFFOQSPWJEFEGPSJOUFSOBMQSPUFDUJPOPGUIF%$JOQVU
TJEF5IFGVTFTBSF7"VUPNPUJWF5ZQF#MBEF'VTFT5ZQF"50CZ-JUUFM'VTFPS
equivalent:
PST-1500-12: 5 pieces of 40A in parallel = 200A total
PST-1500-24: 5 pieces of 20A in parallel = 100A total
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145QJFDFTPG"JOQBSBMMFM"UPUBM
NOTE:
The fuses are soldered to the PCB. Hence, these can be removed and replaced by
de-soldering and then re-soldering.
SECTION 10 |
Protections