Riken Keiki GD-3EC, Technical Manual

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2. Important Safety Information 2-4 Safety information
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<Components that can be connected (SD-3/SD-3SC)>
The following components can be connected to the main unit (SD-3/SD-3SC):
Connector
1
Connector
2
Connector
3
Connector
4
Connector
5
Connector
6
Sensor assembly
× × × × × 〇
EC barrier
× × × × × 〇
Approved cable gland
〇 〇 × 〇 × 〇
M25 plug
〇 〇 × 〇 〇 ×
Adapter
(M25
⇔ 1/2NPT)
〇 〇 × 〇 × 〇
Adapter
(M25
⇔
3/4NPT)
〇 〇 × 〇 × 〇
Adapter
(M25
⇔ M20)
〇 〇 × 〇 × 〇
Lightning arrester × 〇 × 〇 × ×
〇
: Can be connected
×
: Cannot be connected
NOTE
 Connect only components that are compatible with the individual connectors on the main unit (SD-3/SD-
3SC).
 Tighten M25 plugs and adapters to a torque of at least 30 Nm.
 Secure a minimum thread engagement of five threads.
<Lightning arrester details>
Part
Manufacturer Eaton Electric Limited
Name/No. TP48 or TP32 series surge protector
Explosion-proof
performance II 2G Ex db IIC T6 Gb
Certification
Nos.
No. and issue IECEx BAS 15.0056X Issue 1, Baseefa 04 ATEX 0053X
Applicable standards
EN 60079-0:2012+A11:2013
EN 60079-1:2014
IEC 60079-0:2011 Edition 6.0
IEC 60079-1:2014 Edition 7.0
Rating
Voltage/current 48 V DC
Temperature* -40 - +70 °C
Installation Attachment screw 1/2NPT
*The minimum ambient temperature for the SD-3/GD-3 when using a surge protector is -40 °C.