SMA SUNNY CENTRAL Maintenance manual - Manual (Page 47)

SMA Solar Technology AG Checking protective devices
Maintenance Manual SCWAR-WEN094020 47
6.3 Checking the DC main switch
Depending on the model and power class, different motor-driven circuit breakers in the Sunny Central
inverters are used on the DC side.
6.3.1 Circuit breaker and switch-disconnector
Motor-driven DC circuit breaker (spring power storage device)
This switch is equipped with a circuit breaker (A), a spring
power storage device (B), an off key, (C) and a position
display (D). It is used in the following Sunny Central
devices:
• Sunny Central 100LV
• Sunny Central 125LV
• Sunny Central 150
• Sunny Central 200 / 200HE
• Sunny Central 250 / 250HE
• Sunny Central 350 / 350HE
• Sunny Central 500HE
• Sunny Central 560HE
This switch is equipped with a circuit breaker (A), a spring
power storage device (B), an off key, (C) and a position
display (D). It is used in the following Sunny Central
devices:
• Sunny Central 400HE-11
• Sunny Central 500HE-11
• Sunny Central 630HE-11