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Dual switchmode power supply
- 24 / 115 / 230 VAC supply voltage
- 3.75 kVAC isolation
- 2 adjustable 5...24 VDC outputs
- Output: ±5...24 VDC, 10...48 VDC
- Short-circuit protection
- Thermal protection against overload
- The power supply is based on switch mode technology to achieve a high efficiency.
- The outputs are adjustable by 2 front potentiometers in the ranges 5...24 VDC.
- Supply for small measuring systems that demand 2 stabilized voltages.
- Either as a combination of positive and negative voltages, or as 2 separate supplies as required.
- The two supplies are galvanically separated with 500 VAC test voltage and can be connected in series or used as two independent supplies with or without common gnd.
- Separation of circuits in safety installations according to PELV/SELV.
- Galvanic isolation between the primary and the secondary voltage is achieved through the double-isolated safety transformer.
- Two green LEDs, Power ON 1 and Power ON 2, indicate active outputs.
- By connecting the two outputs in series, 10...48 VDC or ±5...24 VDC can be achieved.
- The input circuit is protected with a bimetal thermal fuse.
- DC output short circuit protection with current limiter.
- Mounting for a standard 11-pole socket which can be adapted for DIN rail or plate use with PR’s 7023 adaptor and 7024 mounting keying.
|Operating temperature||-20°C to +60°C|
|Relative humidity||< 95% RH (non-cond.)|
|Dimensions (HxWxD)||80.5 x 35.5 x 84.5 mm (D is without pins)|
|Weight approx.||400 g|
|Internal power dissipation||4 W|
|Isolation voltage, test / working||3.75 kVAC / 250 VAC|
|Isolation output 1 / 2, test / working||500 VAC / 50 VAC (75 VDC)|
|Effect of supply voltage change||< ±30 mV (±10%)|
|Transient stability (10%-max. load)||< 250 mV|
|Temperature coefficient||0.05% / °C|
|EMC immunity influence||< ±0.5%|
|Current limit||Typ. 100 mA (short circuit)|
|Output voltage||4.75...25.2 VDC|
|Output power||Max. 7.5 W (total)|
|Output current, per channel||
0.5 A / 5 VDC (2.5 W)
0.37 A / 12 VDC (4.5 W)
0.30 A / 15 VDC (4.5 W)
0.18 A / 24 VDC (4.3 W)
|Load effect (10%-max. load)||< 1.5% / A|
|Output ripple||< 20 mVRMS|
Observed authority requirements
|EAC LVD||TR-CU 004/2011|