MEAN WELL LAD Series & SCP Series Single Output MEAN WELL LAD-120 / LAD-240 / LAD-360 / LAD-600 & SCP-35 / SCP-50 / SCP-75
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- Express Delivery
- 12 Months Warranty
- 7 Days Easy Replace
Discover the MEAN WELL LAD and SCP series—specialized AC/DC single output power supplies designed for security, fire alarm, and access control systems. The LAD series (120W-600W) features economical low-profile design with built-in battery charger and UPS function, TTL signals for status detection (AC OK, battery low, battery full), and forced UPS mode for battery maintenance . The SCP series (35W-75W) offers compact enclosed power supplies with battery voltage detection, temperature compensation (via external NTC), and protections including battery reverse polarity . Both series support lead-acid and lithium-ion batteries with universal AC input 85-264VAC. Available in output voltages including 13.8V, 27.6V, 41.5V, and 55.2V. Ideal for security systems, emergency lighting, alarm systems, and central monitoring stations. 3-year warranty.
LAD Series (120W-600W):
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Power range: 120W, 240W, 360W, 600W
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Output voltages: 27.6V (24V systems), 41.5V (36V systems), 55.2V (48V systems)
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Built-in battery charger with UPS function
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TTL signals: AC OK, battery disconnect, battery reverse polarity, battery low, battery full, discharge
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Forced UPS mode for battery maintenance
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Operating temperature: -20°C to +60°C
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Low profile design (30mm for 240W model)
Key LAD Series Features Summary (120W-600W):
| Feature | LAD-120 Series | LAD-240 Series | LAD-360 Series | LAD-600 Series |
|---|---|---|---|---|
| Power Rating | 120W | 240W | 360W | 600W |
| Input Voltage | 90-264VAC (selectable) | 90-264VAC (selectable) | 90-264VAC (selectable) | 90-264VAC (selectable) |
| Output Voltage Options | 27.6V / 55.2V | 27.6V / 55.2V | 27.6V / 41.5V / 55.2V | 27.6V / 41.5V / 55.2V |
| Battery Charger | Yes, with UPS function | Yes, with UPS function | Yes, with UPS function | Yes, with UPS function |
| Status Signals | TTL signals | TTL signals | TTL signals | TTL or UART options |
| Forced UPS Mode | Yes | Yes | Yes | Yes |
| Protections | SCP/OLP/OVP/OTP/Battery low/Battery reverse polarity | SCP/OLP/OVP/OTP/Battery low/Battery reverse polarity | SCP/OLP/OVP/OTP/Battery low/Battery reverse polarity | SCP/OLP/OVP/OTP/Battery low/Battery reverse polarity |
| Operating Temp | -20°C to +60°C | -20°C to +60°C | -20°C to +60°C | -20°C to +60°C |
| Profile Height | Low profile | 30mm (1U) | Low profile | Low profile |
| Battery Compatibility | Lead-acid & Lithium-ion | Lead-acid & Lithium-ion | Lead-acid & Lithium-ion | Lead-acid & Lithium-ion |
SCP Series (35W-75W):
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SCP-35: 13.8V/2.6A (36W), 27.6V/1.4A (38.6W)
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SCP-50: 13.8V/3.6A (49.7W), 27.6V/1.8A (49.7W)
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SCP-75: 27.6V/2.7A (74.5W)
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Battery voltage detection signal
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Temperature compensation via external NTC
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Protections: short circuit/overload/over voltage/battery reverse polarity
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Operating temperature: -20°C to +60°C
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Dimensions: 99×97×36mm (SCP-35) to 159×97×38mm (SCP-75)
Key SCP Series Features Summary (35W-75W):
| Feature | SCP-35 Series | SCP-50 Series | SCP-75 Series |
|---|---|---|---|
| Power Rating | 35.9W-38.6W | 49.7W | 74.5W |
| Input Voltage | 85-264VAC | 85-264VAC | 85-264VAC |
| 12V Model | SCP-35-12: 13.8V / 2.6A | SCP-50-12: 13.8V / 3.6A | — |
| 24V Model | SCP-35-24: 27.6V / 1.4A | SCP-50-24: 27.6V / 1.8A | SCP-75-24: 27.6V / 2.7A |
| Battery Detection | Battery voltage level detection signal | Battery voltage level detection signal | Battery voltage level detection signal |
| Temperature Compensation | Via external NTC thermistor | Via external NTC thermistor | Via external NTC thermistor |
| Battery Protection | Reverse polarity (by fuse) | Reverse polarity (by fuse) | Reverse polarity (by fuse) |
| Protections | SCP/OLP/OVP | SCP/OLP/OVP | SCP/OLP/OVP |
| No-Load Consumption | <0.75W | — | — |
| Operating Temp | -20°C to +60°C | -20°C to +60°C | -20°C to +60°C |
| Dimensions (W×H×D) | 99 × 97 × 36 mm | 129 × 98 × 38 mm | 159 × 97 × 38 mm |
| Safety Approvals | UL/CUL/CB/CE | UL/CB/CE | UL/CB/CE |
Both series suitable for lead-acid and lithium batteries with 3-year warranty. Safety approvals: UL, CUL, CB, CE, EAC.
Please allow 2-3 days for regular shipping.
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