Overview
PS9011-2440-0000 | Buffer module 24 V, 40 A, 160 ms
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• Buffering with electrolytic capacitors • Buffering of 24 V loads • Minimum hold-up time 0.16 s at 40 A, longer hold-up time with smaller loads • Clear status display by Status LED and signaling terminals • Extra-large screw terminals |
The PS9011-2440-0000 Buffer Module is an additional device for regulated 24 V DC power supply units that can be used for various purposes:
- Bridging of failures of the DC supply network with additional power
- Extension of the hold-up time after failure of the AC voltage.
- Short-term provision of an additional peak current that is higher than the nominal current of the power supply unit.
The buffer module uses maintenance-free electrolytic capacitors to store energy. This enables use even at ambient temperatures up to +70 °C.
The device requires no control wiring. It can be connected anywhere in parallel with the load circuit.
Buffer modules can be connected in parallel in order to increase the output current capacity or the hold-up time
Overview of technical data *)
Overview of technical data | PS9011-2440-0000 |
|---|---|
Supply voltage | DC24 V, -20 %/+25 % (19.2-30 Vdc) |
Required voltage for charging the capacitors | 23 Vdc |
Threshold voltage for buffer operation | 22.5 V / VIN - 1 V (adjustable) |
Buffer voltage | 22.5 V / VIN - 1 V (adjustable) |
Buffer current | 40 A |
Charging duration | Typ. 34 s |
Current consumption | Typically 80 mA (standby mode) |
Max. 600 mA (when charging) | |
Power loss | 1.9 W (standby mode) |
Buffer time | Min. 160 ms (at 22.5 V, 40 A) |
Min. 320 ms (at 22.5 V, 20 A) | |
Typically 250 ms (at 22.5 V, 40 A) | |
Typically 500 ms (at 22.5 V, 20 A) | |
Typically 62 s (at 22.5 V, 0.1 A) | |
Temperature range | -25 °C to +70 °C (in operation) |
Dimensions (W x H x D) | 64 x 124 x 142 mm |
Weight | 1040 g |
Markings/approvals | CE, cULus |
*) All values typical for 24 V, 40 A, +25 °C ambient temperature and after a warm-up time of five minutes, unless specified otherwise |