Yaskawa Varispeed 626M5 - Manual (Page 272)

Specifications
14.3.8 Surge Absorbers
14 -68
14.3.8 Surge Absorbers
Always use a surge absorber (recommneded manufacturer: Marcon Electronics) with inductive loads,
such as magnetic contactors, magnetic relays, magnetic valves, solenoids, and magnetic brakes, that are
connected near the Inverter.
The surge absorber absorbs energy accumulated in the coils of the magnetic contactor, and so requires a
capacity equal to that of the coils. Never connect the surge absorber to the Inverter output terminals (U,
V, and W).
Failure to connect a surge absorber means that there is a risk of signal failure because the surge voltage gener-
ated by the coils when the magnetic contactor is turned ON and OFF can affect the Inverter control signal
wires.
J
Specifications and Model Numbers
The surge absorber specifications and model numbers are shown in the following table.
Device Surge Absorbers
Model Specifications Code Number
200 to 230 V Large-capacity coil other than a
relay
DCR2-50A22E 220 VAC
0.5 µF + 200 Ω
C002417
Control relay LY-2, LY-3,
HH-22, HH-23,
MM2, MM4
DCR2-10A25C 250 VAC
0.1 µF + 100 Ω
C002482
380 to 460 V device DCR2-50D100B 1000 VDC
0.5 µF + 220 Ω
C002630
J
Dimensions
The surge absorber dimensions are shown in the following diagram.
9
(0.35) φ4.8
24
(0.94)
30
(1.18)
36
(1.42)
φ18
30
(1.18) 16
(0.63)
16
(0.63)
22.5
(0.89)
φ0.8
26
68 (2.68)
33
(1.3)
34
(1.34)
76 (2.99) 692−241 7
(0.28)
Two 4-dia
mounting holes
Details of
mounting holes
2-3 tap
Lead 910
Weight: 22 g Weight: 5 g Weight: 150 g
DCR2-50A22E DCR2-10A25C DCR2-50D100B
Unit: mm (inches)
Lead 250
(1.02)
14
IMPORTANT