PHOENIX 2866323 Single-Phase DIN Rail Power Supply

(Full Model Designation: TRIO-PS/1AC/24DC/10)

Basic Information
Order No.: 2866323
Product Series: Phoenix TRIO POWER Gen1 Standard Single-Phase DIN Rail Power Supply (GEN1, Discontinued by Manufacturer)
Mounting Type: Standard DIN35 Rail Mounting
Protection Class: IP20 (For Cabinet Indoor Use Only)
Housing Material: Galvanized Aluminum Alloy Metal Casing
Place of Origin: China
Net Weight per Unit: 1400g; Gross Weight with Packaging: 1554g
Dimensions: W60mm × H130mm × D152.5mm
Core Electrical Specifications

Input Side (Single-Phase AC)

Wide Input Voltage Range: 85～264V AC (Nominal 100/240V AC)

Frequency Range: 45～65Hz

Inrush Surge Current: ＜15A

Mains Hold-Up Time: ＞24ms @120V AC

Recommended Input Circuit Breaker: B10 / B16

Low-Voltage Derating: Power derates at 2.5% per Volt below 90V AC

Output Side (24V DC)

Rated Output: 24VDC / 10A, Total Power 240W

Adjustable Output Voltage Range: 22.5～29.5VDC (Front Panel Potentiometer for Line Drop Compensation)

Full-Load Efficiency: 89% (230VAC Input)

Ripple & Noise: ＜10mVpp

Static Voltage Regulation Accuracy: ＜1%; Dynamic Load Fluctuation: ＜2%

Overvoltage Protection (OVP): Latching protection at ≤35VDC

Short-Circuit Protection: Constant current limiting approx. 14A, auto-recovery

Capacitive Load: Unlimited compatibility

Environmental & Reliability Parameters

Operating Temperature: -25℃ ～ +70℃

High-Temperature Derating: Power derates at 2.5% per Kelvin above 55℃

MTBF (Mean Time Between Failures): ＞500,000 Hours

Dielectric Withstand Voltage: 300V AC

PE Leakage Current: ＜3.5mA

Key Functional Features
Three sets of negative terminals with independent grounding capability to reduce cost of separate grounding terminals
Front-panel DC OK status LED for rapid fault diagnosis
Wide temperature and wide voltage range, suitable for global industrial machinery and machine tool export applications
Vibration-resistant metal casing, ideal for assembly lines and automated production lines
Compliant with EN 55011 Class B industrial EMC standards
Complete protection functions: Overcurrent, short-circuit, overvoltage, overtemperature
Application Scenarios

Machine tools, packaging machinery, control cabinets for production lines

24V DC power supply for PLCs, servo drives, sensors and relays

Small & medium automated production lines, building automation, test equipment

Discontinued Replacement Solution (Manufacturer Upgraded 2nd-Gen TRIO Series)

Original Gen1 model 2866323 has been discontinued. Direct compatible replacement model:

TRIO-PS-2G/1AC/24DC/10, Order No.: 2903123

Fully identical dimensions, terminal definitions and mounting structure; no cabinet modification required

Comprehensive improvements in efficiency, dynamic response and EMC performance

Wider temperature margin and lower standby power consumption

Quick Troubleshooting Table

Fault Symptom	Root Cause	Resolution
DC OK LED off, no output power	Missing input phase / tripped circuit breaker / blown internal fuse	Check L/N incoming lines, replace circuit breaker; replace power supply if internal damage occurs
Low output voltage	Overloaded load, excessive line voltage drop	Reduce load capacity, adjust front-panel Adj potentiometer to boost output voltage
Frequent overcurrent protection activation	Downstream short circuit / excessive capacitive load	Troubleshoot short-circuit faults in wiring, add snubber modules
Overheat shutdown	Poor ventilation, ambient temp >55℃, long-term full-power operation	Enhance cabinet heat dissipation, operate under derated power

Full Range Replacement Solutions for PHOENIX 2866323

The original model is officially discontinued by the manufacturer. Output specifications: single-phase 85~264VAC input, 24VDC/10A/240W, DIN rail metal housing, wide-temperature industrial grade. Replacements are divided into three categories: Original Manufacturer Direct Replacements, Equivalent European & American Brand Compatible Replacements, and Cost-Effective Mainland China / Taiwanese Brand Replacements, with applicable scenarios and replacement precautions attached.

Original PHOENIX Direct Replacements (No Cabinet Cutout Modification, Matching Terminal Definition – Top Recommendation)
2nd-Gen TRIO Upgraded Model (Standard Replacement, First Choice for Projects)

Model: TRIO-PS-2G/1AC/24DC/10, Order No. 2903149

Compatibility: 100% fully compatible. Mounting dimensions, terminal layout and DC OK LED position are identical; plug-and-play replacement without wiring or cabinet modification

Upgrade Advantages: Efficiency increased to 91%; supports 150% peak power (15A) for 5 seconds for stable startup of impulse loads such as servos and solenoid valves; lower standby power consumption, optimized high-temperature derating curve; supports parallel redundancy

Applications: OEM equipment maintenance, export machinery, projects requiring unified PHOENIX brand components

High-End QUINT Series (Upgrade for Heavy-Duty / High-Reliability Redundant Applications)

Model: QUINT-PS/1AC/24DC/10, Order No. 2866748

Compatibility: Identical power ratings, slightly wider housing; verify rail space before installation. Equipped with SFB Selective Fuse Breaking, surge protection and parallel redundancy functions

Advantages: Shock-resistant, wide operating temperature, long MTBF; suitable for chemical industry, heavy machinery, outdoor control cabinets and uninterrupted control circuits

Equivalent European & American Industrial Brand Compatible Replacements (Original Imported, Matching Performance, Cross-Brand Substitution)
Weidmüller PRO MAX 240W 10A

Order No.: 1478130000

Specifications: 24V/10A/240W, single-phase wide input voltage, metal housing, potentiometer voltage adjustment, DC OK signal output

Applicable Fields: Machine tools, automated production lines, cross-brand replacement projects with slightly lower price than PHOENIX

Differences: Similar housing width, minor difference in terminal pitch; terminals compatible with standard crimp lugs

Schneider ABL2REM24100K

Specifications: 24V 10A 240W single-phase DIN rail power supply, metal casing, wide input 85~264VAC

Advantages: Excellent matching with Schneider PLCs, abundant domestic stock and convenient maintenance

Applications: Complete Schneider electrical control cabinet projects

ABB CP-E 24/10.0

24V 10A single-phase industrial DIN rail power supply, full CE/UL certifications, Class B industrial EMC compliance

Applicable Fields: Power industry, building automation, complete ABB low-voltage cabinet projects

Cost-Effective Mainland China / Taiwanese Brand Replacements (For Mass Domestic Equipment Projects with Limited Budget)
MEAN WELL NDR-240-24

Specifications: 24V 10A 240W, DIN rail mount, metal housing, 88% efficiency, wide input voltage

Advantages: Ample stock, competitive pricing, 5-year warranty; top choice for economical automation and small machinery

Note: Narrower housing, no extra space occupation for direct installation

MEAN WELL SDR-240-24 (High-Performance Version)

Equipped with active PFC, stronger peak load capacity, suitable for systems with numerous impulse loads including servos and solenoid valves

Weidmüller Economical Domestic Model PRO QL 240W 10A

Order No. 3076370000, domestically assembled with optimized three-proof performance, lower cost for mass replacement of non-standard domestic equipment

Replacement Selection Comparison Table

Replacement Type	Model	Core Compatibility	Cabinet / Wiring Modification	Applicable Scenarios	Cost Level
Original Direct Replacement	2903149 2nd-Gen TRIO	100% Fully Compatible	No Modifications Required	Export Equipment, OEM Maintenance, Unified Brand Standard	Medium-High
Original Upgrade Model	2866748 QUINT 10A	95%, Wider Housing	Verify Rail Installation Space	Heavy Industry, Redundant Systems, High-Reliability Working Conditions	High
Equivalent European & American Brand	Weidmüller 1478130000	90%	Minor Terminal Adjustment	Imported Equipment Replacement, Machine Tool Production Lines	Medium
Equivalent European & American Brand	Schneider ABL2REM24100K	88%	Slight Adjustment	Complete Schneider Cabinet Assemblies	Medium
Economical Taiwanese Brand	MEAN WELL NDR-240-24	85%	No Cabinet Modification	Domestic Non-Standard Equipment, Low-Cost Mass Production	Low

Key Replacement Precautions
Unified Electrical Parameter Requirements: Must feature single-phase AC input, rated 24VDC 10A output, adjustable output voltage 22.5~29.5V to power PLCs, sensors and relays
Impulse Load Consideration: Prioritize models with 150% short-term peak power (2903149, SDR-240-24) for systems with abundant servos and solenoid valves
Installation Space: 2nd-Gen TRIO shares identical dimensions with 2866323; QUINT and Weidmüller models have wider housings – check internal cabinet rail clearance before purchasing
Certification Requirements: Models with UL, CE and GL marine certifications are mandatory for export machinery (Full PHOENIX range, Weidmüller PRO MAX series)
Parallel Redundancy: For capacity expansion via multi-unit parallel connection, PHOENIX 2nd-Gen TRIO and QUINT series are preferred for superior current sharing performance