Motor Armature Circuit; Motor Field Circuit; Electronics Power Supply, Main Contactor, Fans (If Used) 15 To 850 Amp; Current Requirement For Terminals 87, 89 If Supplied From A Separate Source - Siemens 6RA70 Series Instructions Manual

Motor Armature circuit

Function
Armature supply AC input
Ground PE conductor
Armature circuit motor
connection

Motor Field circuit

Function
AC Supply connection
Motor Field connection

Electronics power supply, main contactor, fans (if used) 15 to 850 amp

Function
Incoming AC supply 230V
(supplied by internal
control transformer)

Current Requirement for Terminals 87, 89 if supplied from a separate source

15 amp to 100 amp base drive panels: 0.55 amps
140 and 210 amp base drive panels:
255 to 510 amp base drive panels:
850 amp base drive panel:
7-22
Terminal Connection values/Remarks
L1
L2
L3
See technical data, section 5 for
actual maximum current values.
A1
A2
Terminal Connection values/Remarks
CTB 83 Single Phase 460 VAC
CTB 84 See section 5 for current rating
CTB 80 + Rated DC voltage 300V
CTB
-
81
Terminal Connection values/Remarks
CTB 87 Single Phase, 230 VAC, (hot)
CTB 89 (ground side)
1.2 amps
1.6 amps
4.6 amps
SIMOREG DC Master Base Drive Panel Operating Instructions
Possible
settings
P078
P100
P101
Possible
settings
P076
P078
P102
Possible
settings
Siemens Energy & Automation