AUMA SA Series Operation Instructions

5.3.4. External earth connection
Figure 30: Earth connection for multi-turn actuator
Application
External earth connection (U-bracket) for connection to equipotential compensation.
Table 21:
Terminal cross sections and earth connection tightening torques
Tightening torquesTerminal cross sectionsConductor type
3 – 4 Nm2.5 mm² to 6 mm²Solid wire and stranded
3 – 4 Nm1.5 mm² to 4 mm²Fine stranded
For fine stranded (flexible) wires, connection is made via cable lugs/ring terminals. When connecting
two individual wires with a U-bracket, cross sections have to be identical.
36
SA 07.2 – SA 16.2/SAR 07.2 – SAR 16.2 Control unit: electronic (MWG)
Electrical connection AC 01.2 Non-Intrusive HART

AUMA SA Series Specifications

General

Torque range	10 Nm to 32, 000 Nm
Protection class	IP68
Ambient temperature	+70°C
Voltage	24V DC
Communication	PROFIBUS DP, MODBUS RTU, Foundation Fieldbus
Certifications	ATEX, IECEx, CSA, GOST, SIL
Control	Local, Remote, Bus (PROFIBUS, MODBUS)