Technical Summary
| Product family | SIMATIC S7-400 |
|---|---|
| Product type | power supply PS405 |
| Rated value (DC) | 24 V DC |
| Rated value (DC) 2 | 48 V DC |
| Rated value (DC) 3 | 60 V DC |
| Output voltage | DC |
| Output current for backplane bus (5 V DC), max. | 20 A; no base load required |
| Output current for backplane bus (24 V DC), max. | 1 A; idling-proof |
| Input current at 24 V DC | 7 A |
| Input current at 48 V DC | 3.2 A |
| Input current at 60 V DC | 2.5 A |
| Mains/voltage failure stored energy time | 20 ms |
Key Features
SIMATIC S7-400 PS405 power supply
Power supply for the SIMATIC S7-400 range.
Power supply for the SIMATIC S7-400 range.
Wide-range DC input
Supports 24/48/60 V DC input.
Supports 24/48/60 V DC input.
Backplane bus output
Provides 5 V DC/20 A for the backplane bus.
Provides 5 V DC/20 A for the backplane bus.
Short-circuit protection
Includes short-circuit protection.
Includes short-circuit protection.
Primary/secondary potential separation
Primary/secondary potential separation is Yes.
Primary/secondary potential separation is Yes.
Optional backup battery
Backup battery is optional; 2x lithium AA; 3.6 V / 2.2 Ah.
Backup battery is optional; 2x lithium AA; 3.6 V / 2.2 Ah.
Applications
Backplane bus power supply
Supplies the backplane bus with 5 V DC/20 A.
Supplies the backplane bus with 5 V DC/20 A.
DC input power conversion for the S7-400 supply section
Operates from 24/48/60 V DC input to provide the listed DC outputs.
Operates from 24/48/60 V DC input to provide the listed DC outputs.
Frequently Asked Questions
What is Siemens 6ES7405-0RA02-0AA0 in the S7-400 range?
It is a SIMATIC S7-400 power supply PS405.
What input voltages does 6ES7405-0RA02-0AA0 support?
It supports 24/48/60 V DC.
What is the output rating of the backplane bus supply?
The backplane bus output is 5 V DC/20 A.
What protection and separation features are listed for this power supply?
Short-circuit protection is Yes, and primary/secondary potential separation is Yes.
What installation or configuration detail is listed for this power supply?
The required slots value is 2.
