Fuji Electric ALPHA7, User Manual

Page: 482 / 662

CHAPTER 10 PERIPHERAL EQUIPMENT
Surge Absorber
10-11
10
Control relay, etc.
Model: S1-B-0 (made by OKAYA ELECTRIC INDUSTRIES)
Electromagnetic contactor, etc.
Model: S2-A-0 (made by OKAYA ELECTRIC INDUSTRIES)
Applicable to 250 [V] AC or less voltages
A non-inductive capacitor and a non-inductive resistor are connected in series and filled in epoxy
resin.
S1-B-0: 200Ω (1/2 [W])+0.1 [μF]
S2-A-0: 500Ω (1/2 [W])+0.2 [μF]

Protection in AC circuit

Protection in DC circuit
C-R circuit Diode
(Protection of the DC circuit is also provided.) (Be aware of the orientation of the diode.)
300 40±1 20±1
27.5
300 40±1 30±1
37.5
Load
The purpose of the surge
absorber is suppression of the
surge voltage.
［
mm
］
［ mm ］
Load
Ｓ１－Ｂ－０
０．１μＦ－２００Ω
ＡＣ２５０Ｖ Ｂ
Mounting
leg Preliminary
solder
treatment
２００ Ω ＋０．１ μ
Series connection
(flame retardant construction)