Appendix 3-6-4 Surge Protector - Mitsubishi MELDAS MDS-C1 Instruction Manual

Appendix 3-6-4 Surge protector

Insert a surge protector in the power input section to prevent damage to the control panel or power
supply unit, etc. caused by the surge (lightning or sparks, etc.) applied on the AC power line.
Use a surge protector that satisfies the following electrical specifications.
(1) Surge protector R, A, V Series Okaya Electric Co., Ltd.
Circuit
voltage
Part name
50/60Hz Vrms
RAV-152BYZ-2A 3AC 430V
Outline dimension drawings
28
41
(2) Surge protector RCM Series Okaya Electric Co., Ltd.
Part name Rated voltage
RCM-781BUZ-4 3AC 250/430V
RCM-801BUZ-4 3AC 290/500V
Outline dimension drawings
Resin
Treatment
Leads
Wire
Case
Appendix 3. EMC Installation Guidelines
Maximum
Clamp
tolerable
voltage
circuit
(V) ± 10%
voltage
500V 1476V
Unit: mm
Tolerance: ±1.0
28.5
4.5
AC discharge
withstand level
start voltage
8/20 µS (A)
(V) ± 20%
700VAC
800VAC
Unit: mm
Tolerance: ±1.0
Surge Surge withstand
withstand level voltage
8/20 µS (A) 1.2/50 µS (V)
2500A 20kV
Circuit diagram
(1)
Black
Refer to the manufacturer's catalog for details on the
surge protector's characteristics and specifications,
Surge Surge withstand
voltage
1.2/50 µS (V)
2500A 2kV
2500A 2.32kV
Circuit diagram
A3 - 16
Electrostatic Service
capacity temperature
35pF -20 to 70°C
(2) (3)
Black Black
For neutral point
grounding
Voltage across three phases is
500Vrms or less