Siemens PSU300B Manual page 36

Installation
5.1 Line-side connection
Protection
SITOP PSU300M/300B
6EP1436-3BA10
(24 V / 20 A)
6EP1456-3BA00
(48 V / 10 A)
6EP1424-3BA00
(12 V / 20 A)
6EP1436-3BA20
(24 V / 17 A)
6EP1437-3BA20
(24 V / 30 A)
The protective conductor of the line supply must be connected at the PE terminal.
Other country-specific regulations may have to be observed when installing the device.
36
Recommended line-side protection
3-pole coupled miniature circuit breaker (IEC 898), characteristic C, 6-16 A or
3RV2011-1EA10 circuit breaker, setting of the thermal overcurrent trip: 3 A
or 3RV2711-1DD10 circuit breaker (branch circuit protection according to UL 489)
3-pole coupled miniature circuit breaker (IEC 898), characteristic C, 6-16 A or
3RV2011-1EA10 circuit breaker, setting of the thermal overcurrent trip: 3 A
or 3RV2711-1DD10 circuit breaker (branch circuit protection according to UL 489)
3-pole coupled miniature circuit breaker (IEC 898), characteristic C, 6-10 A or
3RV2011-1EA10 circuit breaker, setting of the thermal overcurrent trip: 3 A
or 3RV2711-1DD10 circuit breaker (branch circuit protection according to UL 489)
3-pole coupled miniature circuit breaker (IEC 898), characteristic C, 6-16 A or
3RV2011-1EA10 circuit breaker, setting of the thermal overcurrent trip: 3 A
or 3RV2711-1DD10 circuit breaker (branch circuit protection according to UL 489)
3-pole coupled miniature circuit breaker (IEC 898), characteristic C, 10-16 A or
3RV2011-1EA10 circuit breaker, setting of the thermal overcurrent trip: 3 A
or 3RV2711-1DD10 circuit breaker (branch circuit protection according to UL 489)
SITOP PSU300M/300B
Manual, 11.2014, C98130-A7574-A2-2-7629