Moulded Case Circuit Breakers
Moulded Case Circuit Breakers
Moulded Case Circuit Breakers
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Tmax<br />
UL489B Photovoltaic circuit breakers<br />
Introduction<br />
Thanks to its experience with Tmax UL,<br />
ABB is proposing a complete range of<br />
products in accordance to UL489B, a<br />
new standard, whose requirements cover<br />
molded case circuit breakers and molded<br />
case switches rated up to 1000V DC, intended<br />
for use with photovoltaic systems.<br />
A complete range of MCCB and MCS is<br />
available up to 1000A for use at 1000V<br />
DC, complete with jumpers for connection<br />
of poles in series.<br />
Standards<br />
UL489B<br />
Dimensions<br />
All PV breakers are the same size as their<br />
standard UL/IEC counterparts.<br />
Tmax<br />
UL489B Photovoltaic circuit breakers<br />
Tmax<br />
MCCBs<br />
Weights<br />
T1 - 3.2 lbs.<br />
T4 - 6.18 lbs.<br />
T5 - 8.55 lbs.<br />
T6 - 20.9 lbs.<br />
T7 - 24.25 lbs.<br />
Accessories<br />
Standard Tmax accessories are able to work<br />
with all UL 489B units.<br />
Jumpers come standard with all breakers in<br />
either all poles in series or 2+1 or 2+2.<br />
<strong>Breakers</strong> without lug kits come with terminals<br />
to connect to Busbar poles in series for<br />
installation options.<br />
17<br />
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com
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