Honeywell TC-SMPD01 | 24V 5A SIM Power Adapter

Product Overview

This power adapter supplies regulated DC voltage to SIM card modules within Honeywell control systems. Field installations often require reliable power distribution for remote I/O and communication interfaces. The TC-SMPD01 converts incoming bulk power into clean, stable outputs for sensitive electronics. Its compact housing mounts directly onto standard DIN rails inside control cabinets. System integrators will value the adapter’s pluggable terminal connections for rapid deployment. The unit provides short-circuit and overvoltage protection for downstream devices.

Technical Specifications

Parameter	Specification
Input Voltage Range	18–36 VDC
Output Voltage	24 VDC ±2%
Maximum Output Current	5 A continuous
Output Ripple	≤50 mV peak-to-peak
Efficiency	≥88% at full load
Number of Output Ports	2 isolated outputs
Isolation Voltage	1000 VDC (input-to-output)
Overcurrent Protection	6 A (auto-reset)
Overvoltage Protection	28 V clamping
Operating Temperature	–25°C to +70°C
Storage Temperature	–40°C to +85°C
Dimensions (W x H x D)	52 mm x 95 mm x 120 mm
Weight	0.35 kg
Mounting Type	DIN-rail (35 mm) with clip
Terminal Type	Spring-clamp connectors

Power Conversion and Regulation

The TC-SMPD01 employs synchronous buck conversion to achieve high operating efficiency. This topology minimizes heat generation and reduces cooling demands within enclosures. The adapter maintains ±2% output regulation across all load conditions. Internal filtering capacitors total 680 µF to suppress input voltage transients. The unit’s switching frequency operates at 250 kHz, which avoids interference with process signals.

Energy Storage and Ride-Through Capability

Built-in bulk capacitance stores 940 µF of energy for short-term hold-up. This storage supports uninterrupted output during momentary supply dips of up to 20 milliseconds. The adapter automatically restarts after an input overvoltage condition clears. Its soft-start circuit limits inrush current during initial power application. Output discharge resistors safely de-energize the adapter within 5 seconds of power removal.

Diagnostic and Status Indication

A green power LED confirms the presence of valid output voltage at all times. A yellow overload LED illuminates when the adapter approaches its current limit threshold. The unit provides a dedicated alarm output for external monitoring systems. Diagnostic data includes input voltage, output current, and internal temperature readings. Users can access this information through the system’s maintenance interface.

Mechanical Construction and Installation

The 52-millimeter-wide housing occupies minimal rail space in crowded panels. Spring-clamp terminals accept solid or stranded wires from 0.2 mm² to 2.5 mm². The adapter weighs 350 grams and requires no additional mounting hardware. Its vertical orientation promotes natural convection cooling. All connections face forward for easy access during troubleshooting.