Siemens SIRIUS 3RU2 - Page 112

Technical data
11.3 3RU21 thermal overload relays
SIRIUS Innovations - SIRIUS 3RU2 thermal overload relays / SIRIUS 3RB3 solid-state overload relays
112 Manual, 09/2014, A5E03656507420A/RS-AA/002
Type
3RU2116
3RU2126
Size
S00
S0
Width
45 mm
45 mm
Connection type
Ring cable lug connection
Connection screw
M3, Pozidriv size 2 M4, Pozidriv size 2
Operating tool
mm ∅ 5 ... 6 ∅ 5 ... 6
Specified tightening torque
Nm 0,8 ... 1,2 2 ... 2,5
Ring cable lugs that can be used mm d
2
2)
= min. 3.2,
d
3
2)
= max. 7.5
d
2
2)
= min. 4.3,
d
3
2)
= max. 12.2
• DIN 46234 without insulating sleeve
• DIN 46225 without insulating sleeve
• DIN 46237 with insulating sleeve
• JIS C2805 type R without insulating sleeve
• JIS C2805 type RAV with insulating sleeve
• JIS C2805 type RAP with insulating sleeve
1)
If two different conductor cross-sections are being connected to one clamping point, both cross-sections must be
located in the range indicated. If identical cross-sections are used, this restriction does not apply.
2)
690 V operating voltage for protective separation applies to devices with screw or ring cable lug connection up to the
25 A setting range. 440 V applies in excess of this and in the case of devices with spring-loaded connection.