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Mean Well SDR-75-24 Single Output Industrial Power Supply 75W 24V 3...
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SDR-75-24 is the 24V output model of this series: rated current 3.2A, rated power 76.8W, typical efficiency 89%.
Features
- High efficiency 90% and low power dissipation
- 150% peak load capability
- Protections: Short circuit / Overload / Over voltage / Over temperature
- Cooling by free air convection
- Can be installed on DIN rail TS-35/7.5 or 15
- UL 508 (industrial control equipment) approved
- BS EN/EN61000-6-2(BS EN/EN50082-2) industrial immunity level
- 100% full load burn-in test
- 3 years warranty
Specifications
OUTPUT
- DC VOLTAGE
- 24V
- RATED CURRENT
- 3.2A
- CURRENT RANGE
- 0 ~ 3.2A
- RATED POWER
- 76.8W
- PEAK CURRENT
- 4.69A
- PEAK POWERNote.6
- 112.5W (3 sec.)
- RIPPLE & NOISE (max.)Note.2
- 100mVp-p
- VOLTAGE ADJ. RANGE
- 24 ~ 28V
- VOLTAGE TOLERANCENote.3
- ±1.0%
- LINE REGULATION
- ±0.5%
- LOAD REGULATION
- ±1.0%
- SETUP, RISE TIME
- 1500ms, 60ms/230VAC 3000ms, 60ms/115VAC at full load
- HOLD UP TIME (Typ.)
- 80ms/230VAC 20ms/115VAC at full load
INPUT
- VOLTAGE RANGENote.7
- 88 ~ 264VAC 124 ~ 370VDC [DC input operation possible by connecting AC/L(+),AC/N(-)]
- FREQUENCY RANGE
- 47 ~ 63Hz
- EFFICIENCY (Typ.)
- 89%
- AC CURRENT (Typ.)
- 1.4A/115VAC 0.85A/230VAC
- INRUSH CURRENT (Typ.)
- 30A/115VAC 50A/230VAC
- LEAKAGE CURRENT
- <1mA / 240VAC
PROTECTION
- OVERLOAD
- Normally works within 110 ~ 150% rated output power for more than 3 seconds and then shut down o/p voltage, re-powr on to recover 150 ~ 170% rated power, constant current limiting with auto-recovery within 3 seconds, and then shut down o/p voltage after 3 seconds, re-powr on to recover
- OVER VOLTAGE
- 29 ~ 33V Protection type : Shut down o/p voltage, re-power on to recover
- OVER TEMPERATURE
- 100℃±10℃ (RTH2) detect on main of power transistor Protection type : Shut down o/p voltage, re-powr on to recover after temperature goes down
ENVIRONMENT
- WORKING TEMP.
- -30 ~ +70℃ (Refer to "Derating Curve")
- WORKING HUMIDITY
- 20 ~ 95% RH non-condensing
- STORAGE TEMP., HUMIDITY
- -40 ~ +85℃, 10 ~ 95% RH
- TEMP. COEFFICIENT
- ±0.03%/℃ (0 ~ 60℃)
- VIBRATION
- Component:10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes; Mounting: Compliance to IEC60068-2-6
SAFETY & EMC (Note 4)
- SAFETY STANDARDS
- UL508, TUV BS EN/EN62368-1, AS/NZS 62368.1, EAC TP TC 004 approved, design refer to GL ;(meet BS EN/EN60204-1)
- WITHSTAND VOLTAGE
- I/P-O/P:3KVAC I/P-FG:2KVAC O/P-FG:0.5KVAC
- ISOLATION RESISTANCE
- I/P-O/P, I/P-FG, O/P-FG:>100M Ohms / 500VDC / 25℃/ 70% RH
- EMC EMISSION
- Compliance to BS EN/EN55032 (CISPR32). BS EN/EN61204-3 Class B, BS EN/EN61000-3-2,-3, EAC TP TC 020
- EMC IMMUNITY
- Compliance to BS EN/EN61000-4-2,3,4,5,6,8,11, BS EN/EN55035, BS EN/EN61000-6-2 (BS EN/EN50082-2), BS EN/EN61204-3, heavy industry level, EAC TP TC 020, SEMI F47 approved
OTHERS
- MTBF
- 2670.8K hrs min. Telcordia SR-332 (Bellcore) ; 479.8K hrs min. MIL-HDBK-217F (25℃)
- DIMENSION
- 32*125.2*102mm (W*H*D)
- PACKING
- 0.51Kg; 28pcs/15.3Kg/1.23CUFT
Test conditions and notes8
- 1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25℃ of ambient temperature.
- 2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1μF & 47μF parallel capacitor.
- 3. Tolerance : includes set up tolerance, line regulation and load regulation.
- 4. The power supply is considered a component which will be installed into a final equipment. The final equipment must be re-confirmed that it still meets EMC directives. (as available on https://www.meanwell.com//Upload/PDF/EMI_statement_en.pdf )
- 5. Installation clearances : 40mm on top, 20mm on the bottom, 5mm on the left and right side are recommended when loaded permanently with full power. In case the adjacent device is a heat source, 15mm clearance is recommended.
- 6. 3 seconds max., please refer to peak loading curves.
- 7. Derating may be needed under low input voltage. Please check the derating curve for more details.
- 8. The ambient temperature derating of 3.5℃/1000m with fanless models and of 5℃/1000m with fan models for operating altitude higher than 2000m(6500ft).
Technical drawings
Downloads
FAQ
Can the SDR-75-24 power 24V sensors and small automation loads in a control panel?
Yes. The SDR-75-24 supplies 24V at up to 3.2A with 76.8W total power, which fits smaller 24V sensor groups, relays, and control components in automation panels. Its DIN rail mounting is intended for organized cabinet installation.
Is the SDR-75-24 a good fit for compact PLC and building automation enclosures?
It can be a good fit where the 24V load is within 3.2A and 76.8W. The slim 32.0 mm width helps in compact DIN rail enclosures where panel space is limited.
Can I use the SDR-75-24 in a narrow control cabinet where space is tight?
Yes. This model measures 32 × 125.2 × 102 mm (W × H × D) and weighs 0.51 kg, so its slim 32 mm width suits space-conscious cabinet layouts. It still provides a full 24V output up to 3.2A for smaller control loads.
What are the main SDR series alternatives to the SDR-75-24?
Within the SDR-75 series, the alternatives are the SDR-75-12 at 75.6W, 12V, 6.3A and the SDR-75-48 at 76.8W, 48V, 1.6A. All three share the same 88-264VAC input range, 32 mm wide DIN rail housing, and 112.5W peak power for up to 3 seconds.
Is the SDR-75-24 suitable for enclosed industrial cabinets across a wide temperature range?
Yes. It is rated for -30°C to +70°C operation, with output derating at higher ambient temperatures per the derating curve, which supports enclosed control cabinet use across a broad ambient range. The DIN rail format is consistent with industrial cabinet installation rather than exposed open-area placement.
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Other SDR-75 Models
2 other models| Model | Power | Voltage | Current | IP Rating | |
|---|---|---|---|---|---|
| Mean Well SDR-75-48 Single Output Industrial Power Supply 75W 48V 1.6A - DIN Rail | 76.8W | 48V | 1.6A | IP20 | View |
| Mean Well SDR-75-12 Single Output Industrial Power Supply 75W 12V 6.3A - DIN Rail | 75.6W | 12V | 6.3A | IP20 | View |
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