SMC Networks HRZD020-WS-WS Operation Manual page 32

HRX-OM-M005
Chapter 3 Transporting and Installation
Selection of the breaker for the customer's equipment (primary side)
This product is equipped with a breaker which has different operating
characteristics depending on each model. For the customer's
equipment (primary side), use the breaker whose operating time is
equal to or longer than the breaker of this product. If the breaker with
shorter operating time is connected, the customer's equipment could
be cut off due to the inrush current of the motor of this product.
4h
2h
1h
30min
20min
14min
10min
6min
4min
2min
1min
30s
20s
10s
5s
2s
1s
0.5s
0.2s
0.1s
0.05s
0.02s
0.01s
3.3 Procedure for Installation
3-8
MIN
100 130 200 300
Current (% to the capacity of the main breaker of this product)
Figure 3-5 Breaker operating characteristics curve
MAX
400 500 600700 1000 1500 2000 3000 4000
HRZD Series