4. WIRING
4-21
4.6.1 Recommended Surge Protector
When purchasing the following, directly make a reference to the maker for it.
Item Specification
Model No. R.A.V-781BXZ-2A (Okaya Electric Industries Co., Ltd.)
External dimensions
Maximum allowable circuit
voltage
300 Vrms
Clamp voltage 783 V±10%
Surge-resistant current 2500 A (waveform) 8 × 20 µs
Surge-resistant voltage 20 kV (waveform) 1.2 × 50 µs
Connection diagram
Weight Approx. 100 g
Fig. 4-12 Recommended Surge Protector
321
Yellow/green
BlackBlackBlack
Yellow/green
11