The PS9011-2440-0000 buffer module is an add-on module for 24 V DC regulated power supplies and can be used for various purposes:
- supply of direct current for bridging the failure of DC power supply systems
- extension of the hold-up time after failure of the mains voltage
- short-term supply of an additional peak current that lies above the nominal current of the power supply
As buffer voltage, there is a choice between a fixed value of 22.5 V DC or a value that depends on the input voltage. The buffer current, which is supplied with the aid of electrolytic capacitors, is around 40 A at 22.5 V for typically 250 ms. The transition between normal and buffer operation is gapless. The status of the buffer module can be read via additional signal contacts, e.g. whether the buffer capacitors are fully charged or the device is in buffer mode. Regular maintenance or replacement of the capacitors is not necessary. All modules are electronically protected against overload and short-circuit and can be operated in a wide temperature range.
Product status:
regular delivery
Product information
Technical data | PS9011-2440-0000 |
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Input voltage | DC 24 V |
Output voltage | 22.5 V/Vin - 1 V |
Output current | 40 A |
Buffer time | min. 160 ms (22.5 V; 40 A) |
Loading time | typ. 34 s |
Efficiency | > 99 % |
Operating temperature | -25…+70 °C |
Shock resistance | conforms to EN 60068-2-27 |
Vibration resistance | conforms to EN 60068-2-6 |
Weight | approx. 1400 g |
Approvals/markings | CE, UL508 |
Protection rating | IP20 |
Housing data | Power supply |
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Dimensions (W x H x D) | 64 mm x 124 mm x 142 mm |
Material | aluminum |
Installation | on 35 mm DIN rail, conforming to EN 60715 with lock |
Wiring | input/output: screw type connection,
signal contact: screw type connection |
Connection cross-section | input/output: e*: max. 16 mm², f*: max. 10 mm², a*: max. 10 mm² signal contact: e*: max. 2.5 mm², f*: max. 2.5 mm², a*: max. 2.5 mm² |
Connection cross-section AWG | Input/Output: AWG 22-8 Signal contact: AWG 22-14 |
Stripping length | input/output: 12 mm, signal contact: 6 mm |
*s: solid wire; st: stranded wire; f: with ferrule
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