Specifications Overview:
The document outlines the specifications for the RQ-50 series, including models RQ-50B, RQ-50C, and RQ-50D. Key specifications include DC voltage, rated current, current range, rated power, and output voltage adjustment range. The models offer different channel outputs with varying voltage and current ratings.

Output Specifications:
- Voltage Adjustment Range: CH1: 4.75 ~ 5.5V
- Ripple & Noise: Varies by model, with maximum values ranging from 80mVp-p to 180mVp-p.
- Voltage Tolerance: ±2.0% to ±7.0% depending on the channel and model.
- Line and Load Regulation: Line regulation ranges from ±0.5% to ±2.0%, while load regulation ranges from ±0.5% to ±3.0%.

Input Specifications:
- Voltage Range: 88 ~ 264VAC, 125 ~ 373VDC
- Frequency Range: 47 ~ 63Hz
- Efficiency: 73% to 77% depending on the model.
- Inrush Current: Cold start 48A/230VAC

Protection Features:
- Overload Protection: 110 ~ 150% rated output power, with hiccup mode recovery.
- Over Voltage Protection: Hiccup mode recovery.

Safety and Standards:
- Safety Standards: UL62368-1, TUV BS EN/EN62368-1, BIS IS13252(Part1): 2010/IEC 60950-1:2005 approved.
- EMC Compliance: BS EN/EN55032 (CISPR32) Class B, BS EN/EN61000-3-2,-3, EAC TP TC 020.

Environmental Conditions:
- Operating Temperature: -25 ~ +70°C
- Storage Temperature: -40 ~ +85°C
- Humidity: 20 ~ 90% RH non-condensing

Mechanical Specifications:
- Dimensions: 99*97*36mm (L*W*H)
- Weight: 0.41Kg

Additional Information:
- MTBF: 2519.1K hrs min. Telcordia SR-332; 450.1K hrs min. MIL-HDBK-217F (25°C)
- Derating Curve: Provided for input voltage and ambient temperature.
- Block Diagram: Includes EMI filter, rectifiers, power switching, and control circuits.

This document provides comprehensive technical details necessary for understanding the capabilities and limitations of the RQ-50 series power supplies.