Key Features
- PS405 power supply: SIMATIC S7-400, power supply PS405: 20 A, wide range, 24/48/60 V DC, 5 V DC/20 A
- Backplane bus supply: 5 V DC/20 A for the backplane bus; no base load required
- Protection and separation: Short-circuit protection, primary/secondary potential separation, and equipment protection class I, with protective conductor
- Installation and buffering: 2 required slots, mains/voltage failure stored energy time 20 ms, and mains buffering according to NAMUR recommendation
- Optional backup battery: Backup battery (optional): 2x lithium AA; 3.6 V / 2.2 Ah
Applications
- S7-400 backplane bus power supply: Supplies 5 V DC/20 A to the backplane bus.
- DC input power conversion for the S7-400 supply: Uses 24/48/60 V DC input to provide DC output power for the module.
- Control cabinet installation in the PS 405/407 power supply range: Fits the PS 405/407 power supply category with 2 required slots and protective conductor grounding.
Technical Summary
| Product family | SIMATIC S7-400 |
|---|---|
| Module type | power supply PS405 |
| Output current | 20 A |
| Input voltage | 24/48/60 V DC |
| Backplane bus output | 5 V DC/20 A |
| Backplane bus current, max. | 20 A; no base load required |
| Backplane bus 24 V DC current, max. | 1 A; idling-proof |
| Mains/voltage failure stored energy time | 20 ms |
| 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 |
| Power loss, typ. | 44 W |
Frequently Asked Questions
What is the Siemens 6ES7405-0RA02-0AA0?
It is a SIMATIC S7-400 power supply PS405 with 20 A output.
What input voltage does this PS405 support?
It supports 24/48/60 V DC input.
What output does it provide for the backplane bus?
It provides 5 V DC/20 A for the backplane bus.
How many slots are required for installation?
2 slots are required.
What protection and buffering data are given?
It has short-circuit protection, primary/secondary potential separation, equipment protection class I, with protective conductor, and 20 ms mains/voltage failure stored energy time.
