Page 21 - OTDC Switch

OTDC XS-SERIES 21

—
Technical data
OTDC XS-Series IEC and UL

— 03
Technical data according to IEC 60947 for switch-disconnectors OTDC16…32U_
Switch size OTDC16U OTDC25U OTDC32U
Rated insulation voltage Ui Pollution degree 2 1) V 1250 1250 1250
Pollution degree 3 1) V 1000 1000 1000
Rated impulse withstand voltage kV 8 8 8
— Rated thermal current Ith In open air, normal A 40 50 63
OTDC16...32U_ conditions ²)
In enclosure 40°C A 32 40 50
In enclosure 60°C A 25 32 40
...with cable or bar cross section Cu mm² 4 6 10
Rated operational current DC-21B / 660V One circuit V 16/2P 25/2P 32/2P
Poles in series
Two circuits V 16/2Px2 25/2Px2 32/2Px2
Three circuits V 16/2Px3 25/2Px3 32/2Px3
1000V 3) One circuit V 10/2P 16/2P 20/2P
Two circuits V 10/2Px2 16/2Px2 20/2Px2
Three circuits V 10/2Px3 16/2Px3 20/2Px3
Rated short-time withstand current, R.M.S. kA 1,0 1,0 1,0
1000V, 1s -value Icw
Rated conditional short-circuit Ip (r.m.s.), 1000V kA 10 10 10
current Ip (r.m.s.) Max fuse size, gPV A 80 80 80
Power loss / pole At rated W 0,1 0,2 0,35
current
Terminal cable size Cu mm² 2.5…16 2.5…16 2.5…16
Terminal tightening torque Counter torque required Nm 1.2...1.4 1.2...1.4 1.2...1.4
Operating torque 2P/4P Nm 0,4…0,8 0,4…0,8 0,4…0,8
6P 0,8…1,9 0,8…1,9 0,8…1,9
1) When used with external handle. For use with direct mounted handle, see installation instruction.
2) Normal conditions defined in IEC 60947-1, section 6.1.
3) U and UT types only (Not applicable for US nor UST).

—
Technical data in accordance to UL508I for photovoltaic disconnect switches OTDC16…32U_
Suitable for use in photovoltaic systems in accordance with article 690 of the NEC.
Switch size OTDC16U OTDC25U OTDC32U
UL Listed Standard UL508i UL508i UL508i
Rated ambient temperature °C -20…+60 -20…+60 -20…+60
Rated current / 600V One circuit A 16/2P 25/2P
Poles in series Two circuits A 16/2Px2 25/2Px2 32/2Px2
Three circuits A 16/2Px3
Short circuit rating 600V kA 5 5 5
Protection type Max fuse size, RK5 fuse A 80 80 80
Wire range AWG 12-6 AWG 12-6 AWG 12-6
Technical data according to IEC See IEC table for type OTDC16U OTDC25U OTDC32U
60947