Devices included in the Product belong to the measurement categories of No.1, which are
shown in the following table. The rated transient overvoltage of the measurement categories
of No.1 is 1500 V.
Devices included in the Product belong to the measurement categories of No.1, which are
shown in the following table. Do not use the devices for measurements that belong to the
measurement categories of No.2, No.3, and No.4.
The following table describes the standard numbers and measurement categories.
Table Info-3 Standard Numbers and Measurement Categories
No.
Standard number
Description
IEC/EN/CSA
61010-1:2001
EN 61010-2-030
No.1 Measurement category I O (Other) Measurements performed on circuits not di-
rectly connected to MAINS.
No.2 Measurement category II Measurement category II Measurements performed on circuits direct-
ly connected to the low-voltage installation.
No.3 Measurement category III Measurement category III Measurements performed in a building in-
stallation.
No.4 Measurement category IV Measurement category IV Measurements performed at the source of
the low-voltage installation.
l
T
ightening Torque of Screws
The recommended tightening torque for the Product is shown in the following table. However,
if the tightening torque of the screw is specified in the User's Manuals, follow the instructions
described in the User's Manuals.
Table Info-4 Recommended Tightening Torque
Nominal diameter of a screw M2.6 M3 M3.5 M4 M5 M6 M8 M10
Recommended tightening tor-
que (N·m)
0.35 0.6 0.8 1.2 2.8 3.0 12.0 24.0
SEE
ALSO
For more information about each nominal diameter of a screw, refer to:
ProSafe-RS Installation Guidance (TI 32S01J10-01E)
viii
IM 32Q06C10-31E 4th Edition : Jan.30,2015-00
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