OVERVIEW

Official designation: S-100-27 (S-100 Series, Switching Power Supply)

Role/Application: This 100W single-output switching power supply provides a stable 27 V DC output at 3.7 A for industrial control, security, and automation systems, featuring user-selectable AC input.

KEY SPECS SUMMARY

Power: 85-264 V AC switch selectable

Interfaces / Ports: Screw terminal block

Indicators: Single LED for power on

Operating Temp: Minus 10 degrees C to plus 60 degrees C

Platform / Compatibility: Enclosed; 100W rated power

Limit: Overload protection at 105 to 150 percent

Lifecycle: Active, widely available

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the rated output power and voltage adjustment range of the S-100-27 unit?

A: The unit provides 100 W rated power with an output voltage adjustable from 26 V to 32 V.

Wiring & Installation:

Q: What are the physical dimensions and recommended cooling method for the power supply?

A: Dimensions are 199 mm by 98 mm by 38 mm, cooled by free air convection.

Troubleshooting & Compatibility:

Q: What mechanism is used for overvoltage protection in the S-100-27 power supply?

A: Overvoltage protection uses hiccup mode, which recovers automatically when the fault condition is cleared.

Replacement & Upgrades:

Q: Are there any direct replacements for the S-100 series with active power factor correction (PFC)?

A: The Mean Well SP-100-27 and RSP-100-27 are potential replacements with built-in PFC functionality.