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Delta DRL Series DIN Rail power supplies
🔍 Typical Model Specifications
Here are some example specifications from representative models:
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For the 75 W series (DRL-75W series):
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For the 120 W series (DRL-120W1EN):
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For the 240 W / 480 W variants:
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Example: DRL-24V480W1EN: Output 24 V and 480 W rating. DeltaACDrives.com+1
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For DRL-48V240W1EN: 48 V output, 240 W rating; dimensions ~ 123.7mm × 39.9mm × 116.8mm. DigiKey
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✅ Key Features / Highlights
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Wide input voltage: typical models accept ~ 90-264 VAC or 100-240 VAC (50-60 Hz) for universal AC input. RS Components+4Scribd+4DeltaPSU+4
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Operating temperature: Full power from ~ -30 °C to +50 °C (for many models); then de-rating up to +70 °C. Some models even specify a “-40 °C cold start”. DeltaACDrives.com+2Powerbox Australia+2
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Good load/line regulation: e.g., ±0.5 % line, ±0.5-1 % load in some models. Powerbox Australia+1
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Built-in protections: short-circuit (auto-recovery/hiccup), over-temp, over-voltage, overload/overcurrent. Many models support “constant current mode” for reactive loads (inductive/capacitive). Scribd+2DeltaPSU+2
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DIN-rail mounting (TS35 rail per EN 60715) for industrial cabinet use. Scribd+1
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Slim design / high power density for DIN-rail format. Some models list compliance to SEMI F47 for voltage sag tolerance (industrial robustness). DeltaACDrives.com
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Wide output voltage options: 12 VDC, 24 VDC, 48 VDC. Various power ratings (75W, 120W, 240W, 480W).
- https://www.mathaelectronics.com/

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Text to Speech TTL Module (Serial to Speech)
- Single row 0.1″ header for easy connection to a host system
- Power requirements: +5 VDC
- 30 mA idle
- 46-220 mA active (depending on speech parameters and output load)
- Communication: Asynchronous 9600 bps serial (8N1)
- Dimensions: 1.25″x1.5″x0.37″
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Text support rate is better
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Interface operation is simpler
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5V single power supply.
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Output directly connected to the speaker, can drive 4 ohms 3W / 8 ohm 2W speakers
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Busy status output, can be connected to the microcontroller IO or indicator light, no need to be left floating.
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Voice effect optimization
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Module miniaturization and easy integration
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Dimension: 33*27.5mm
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With mounting holes

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