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PS9421-4840-0000 | MOSFET redundancy module PS9400; input: 24…56 V DC, 2 x 20 A; output: 24…56 V DC, 1 x 40 A

PS9421-4840-0000 | MOSFET redundancy module PS9400; input: 24…56 V DC, 2 x 20 A; output: 24…56 V DC, 1 x 40 A

PS9421-4840-0000 | MOSFET redundancy module PS9400; input: 24…56 V DC, 2 x 20 A; output: 24…56 V DC, 1 x 40 A

PS9421-4840-0000 | MOSFET redundancy module PS9400; input: 24…56 V DC, 2 x 20 A; output: 24…56 V DC, 1 x 40 A

PS9421-4840-0000 | MOSFET redundancy module PS9400; input: 24…56 V DC, 2 x 20 A; output: 24…56 V DC, 1 x 40 A

Power supplies for 24 V and 48 V DC

Power supplies for 24 V and 48 V DC

The PS9421-4840-0000 redundancy module is suitable for the setup of a redundant, fail-safe supply network. It is equipped with two inputs, to which two 2 x 20 A power supplies with 24 V DC or 48 V DC can be connected. The output can continuously conduct rated currents of up to 40 A. The redundancy module uses MOSFETs to decouple the two inputs; this reduces heat generation and the voltage drop between input and output. The redundancy module requires no additional auxiliary voltage and is autonomous even in case of a short-circuit at the output. Due to the low losses, the module is very compact and requires an installation width of just 32 mm on the DIN rail.

Product status:

regular delivery

Product information

Technical dataPS9421-4840-0000
Input voltageDC 24…56 V
Input current2 x 20 A
Input current for 5 s2 x 20…32.5 A
Output current0…40 A
Output current 5 s40…65 A
Voltage drop input/outputtyp. 60 mV; input 2 x 10 A,
typ. 120 mV; input 2 x 20 A
Power losstyp. 1.8 W; 48 V input: 2 x 10 A,
typ. 2.3 W; 48 V input: 1 x 20 A
Operating temperature-40…+70 °C
Shock resistanceconforms to EN 60068-2-27
Vibration resistanceconforms to EN 60068-2-6
Weightapprox. 360 g
Approvals/markingsCE, UL508, ATEX, IECEx, Class I Div2
Protection ratingIP20
Housing dataPower supply
Dimensions (W x H x D)46 mm x 124 mm x 127 m
Materialaluminum
Installationon 35 mm DIN rail, conforming to EN 60715 with lock
Wiringinput/output: screw type connection
Connection cross-sectioninput/output:
e*: 0.5…16 mm²,
f*: 0.5…10 mm²,
a*: 0.5…10 mm²
Connection cross-section AWGInput/Output: AWG 22-8
Stripping length12 mm

*s: solid wire; st: stranded wire; f: with ferrule

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