Product Overview
Technical Summary
| Order number | 6ES7407-0RA02-0AA0 |
|---|---|
| Product type | SIMATIC S7-400, Power supply PS407, 20 A, wide range |
| Rated input | 120 V DC, 230 V DC, 120 V AC, 230 V AC |
| Output voltage | 5 V DC and 24 V DC |
| Maximum output current | 20 A for 5 V DC backplane bus; 1 A for 24 V DC backplane bus |
| Line frequency | 50 Hz or 60 Hz; permissible range 47 Hz to 63 Hz |
| Mains buffering | 20 ms stored energy time; according to NAMUR recommendation |
| Required slots | 2 |
| Optional backup battery | 1x lithium AA; 3.6 V / 2.2 Ah |
Key Features
Rated input: 120 V DC, 230 V DC, 120 V AC, or 230 V AC.
Maximum output current: 20 A for the 5 V DC backplane bus and 1 A for the 24 V DC backplane bus.
Rated line frequency: 50 Hz or 60 Hz; permissible range: 47 Hz to 63 Hz.
Stored energy time during mains or voltage failure: 20 ms; mains buffering according to NAMUR recommendation.
Short-circuit protection is present; primary/secondary potential separation is present; equipment protection class is I, with protective conductor.
Requires 2 slots. Optional backup battery: 1x lithium AA, 3.6 V / 2.2 Ah.
Frequently Asked Questions
What is the exact product type and order number?
It is the Siemens SIMATIC S7-400 Power supply PS407, 20 A, wide range, order number 6ES7407-0RA02-0AA0.
What input voltages does this power supply support?
Rated input is 120 V DC, 230 V DC, 120 V AC, or 230 V AC.
What output current is available for the backplane buses?
The maximum output current is 20 A for the 5 V DC backplane bus and 1 A for the 24 V DC backplane bus.
How many slots does the hardware configuration require?
The hardware configuration requires 2 slots.
