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This is the Phoenix Contact QUINT series diode redundancy module (QUINT-DIODE/12-24DC/2X20/1X40).
It is designed for 12–24VDC dual power parallel redundancy or power superposition, supporting 2×20A redundancy mode or 1×40A capacity expansion mode. It adopts DIN rail mounting with IP20 protection degree, suitable for high-availability power supply scenarios such as industrial automation and process control.
- Model Segment Definition
| Segment | Meaning |
| QUINT | Phoenix Contact high-performance power supply series, representing high quality and high reliability |
| DIODE | Diode-type redundancy module; realizes electrical isolation between power supplies via diodes |
| 12-24DC | Applicable DC input voltage range: 12–24V DC (wide range: 10–30V DC) |
| 2X20 | Redundancy mode: 2-channel input, rated current per channel 20A (-25°C ~ 60°C) |
| 1X40 | Capacity expansion mode: 1-channel output, total rated current 40A (-25°C ~ 60°C) |
| 2320157 | Phoenix Contact global unique part number for ordering and identification |
- Core Specification Parameters
| Parameter Category | Detailed Specifications |
| Basic Features | Redundancy module / diode decoupling / 2-input 1-output / IP20 / Class III protection / UL 508 certified |
| Electrical Parameters | • Input Voltage: 10–30V DC (rated 12–24V DC) |
| • Rated Current: 2×20A (redundancy) / 1×40A (capacity expansion) | |
| • Max Current: 2×30A (-25°C~40°C) / 1×60A (-25°C~40°C) | |
| • Power Loss: ≤10W @ 20A output | |
| • Efficiency: >97% | |
| Mechanical Parameters | • Dimensions: 50(W)×130(H)×125(D) mm |
| • Mounting: NS 35 DIN rail (EN 60715) | |
| • Weight: 0.75kg | |
| Environmental Parameters | • Operating Temperature: -40°C ~ 70°C (2.5% derating per K above 60°C) |
| • Storage Temperature: -40°C ~ 85°C | |
| • Humidity: ≤95% RH @ 25°C, non-condensing | |
| • Protection Class: IP20 | |
| • MTBF: 40,000,000 hours (IEC 61709) | |
| Connection Parameters | • Input Terminals: M3 screw / 0.2–6mm² (solid) / 0.2–4mm² (stranded) / stripping length 7mm |
| • Output Terminals: M4 screw / 0.5–16mm² (solid/stranded) / stripping length 10mm | |
| • Wire Gauge: Input AWG 12–10 / Output AWG 10–6 | |
| Safety Certifications | UL/C-UL Listed UL 508, UL 60950-1, ANSI/ISA-12.12.01 (Class I Div.2), ATEX, IECEx |
- Accessory List & Package Contents
Standard Package: 1 pcs QUINT-DIODE/12-24DC/2X20/1X40 Module (2320157)
Supplied Documents: Installation manual, product certificate, PDF download link for technical datasheet
Optional Accessories:
DIN rail mounting adapter (e.g. UTA 107/30)
Terminal protective cover
Marker strip / marking system
- Competitor & Cross-Brand Replacement List
| Brand | Model | Main Parameters | Replace Compatibility |
| Phoenix Contact Upgrade Version | 2907719 (QUINT4-DIODE/12-24DC/2X20/1X40) | Same specifications, new generation QUINT4 series with optimized performance | Fully compatible, direct replacement |
| Schneider Electric | ABL8RPS24040 | 24VDC / 2×20A / 1×40A / Diode redundancy | Functionally equivalent, slight difference in mounting dimensions |
| Siemens | SITOP Redundancy Module 6EP1961-3BA21 | 24VDC / 2×20A / Diode redundancy | Functionally equivalent, confirm installation space |
| Weidmüller | DRM 20-24DC/2×20/1×40 | 24VDC / 2×20A / 1×40A / Diode redundancy | Direct competitor with similar performance |
| ABB | CM-MRD 24DC 40 | 24VDC / 40A / Diode redundancy module | Similar function, different input channel quantity possible |
- Selection Key Points & Alternative Solutions
5.1 Core Selection Criteria
✅ Voltage Matching: Confirm system voltage 12–24VDC, fluctuation range within 10–30VDC
✅ Current Matching:
Redundancy Mode: Single power supply rated current ≤20A, dual power parallel connection
Capacity Expansion Mode: Total load current ≤40A, dual power parallel for power upgrade
✅ Installation Space: Reserve 50mm width, 5mm gap on both sides, 15mm top clearance and 20mm bottom clearance for heat dissipation
✅ Environmental Conditions: Operating temperature ≤60°C (2.5% derating per K over temperature), humidity ≤95% non-condensing
5.2 Alternative Solution Decision Tree
| Application Scenario | Recommended Model | Reason |
| Standard Redundancy Requirement | 2320157 (Original Version) | Mature, stable and cost-effective |
| Latest Technology Requirement | 2907719 (QUINT4 Series) | New generation, optimized performance and longer service life |
| Higher Current Requirement | QUINT-DIODE/48DC/2X20/1X40 (2320160) | 48VDC system with same current rating |
| Lower Current Requirement | TRIO-DIODE/12-24DC/2X10/1X20 | 10A/20A rating with lower cost |
| Active Redundancy Requirement | QUINT S-ORING (2907752) | Active switching, lower voltage drop and higher efficiency |
- Selection Mnemonic (Selection & Application)
QUINT Diode Redundancy Module Selection Mnemonic
12–24 DC for use, two inputs one output keep in view
20A stable for redundancy, 40A flexible for capacity boost
Derate above sixty centigrade, 2.5% per Kelvin degrade
Reserve mounting gap well, ensure heat dissipation as well
Old version 2320157, new version 2907719
Choose S-ORING for active redundancy, higher efficiency and more steady
- Key Application Scenarios
- Industrial Automation: Dual power redundancy for PLC control cabinets to ensure uninterrupted control system operation
- Process Control: Power supply for critical process instruments in chemical, pharmaceutical and other industries to avoid production shutdown caused by power failure
- Data Center: Redundant power backup for servers and network equipment to guarantee data security
- Rail Transit: Dual power guarantee for on-board equipment and signal systems, adapting to harsh environments
- Renewable Energy: Redundant power supply for photovoltaic and wind power control systems to improve system availability
Complete Model List of Phoenix Contact Diode Redundancy Modules
Overview: Classified into 6 major series: QUINT4 / QUINT / TRIO2 / TRIO / UNO / STEP3, covering 5–48VDC voltage and 5–40A current specifications, including standard type / monitored type / coated type versions to meet different power and reliability requirements.
- QUINT4 Series (New Generation High Performance)
| Part No. | Model | Voltage Range | Current Rating | Core Features |
| 2907719 | QUINT4-DIODE/12-24DC/2X20/1X40 | 12–24VDC (10–30VDC) | 2×20A Redundancy / 1×40A Capacity Expansion | Latest QUINT4 platform, high reliability, MTBF＞40 million hours |
| 2907720 | QUINT4-DIODE/48DC/2X20/1X40 | 48VDC (30–56VDC) | 2×20A Redundancy / 1×40A Capacity Expansion | Compatible with 48V system, fully interchangeable with classic QUINT |
| 2907721 | QUINT4-DIODE/12-24DC/2X10/1X20 | 12–24VDC (10–30VDC) | 2×10A Redundancy / 1×20A Capacity Expansion | Low current version, space-saving and cost-effective |
| 2907722 | QUINT4-DIODE/48DC/2X10/1X20 | 48VDC (30–56VDC) | 2×10A Redundancy / 1×20A Capacity Expansion | 48V low current application, matches TRIO power supply |
- QUINT Series (Classic High Performance)
| Part No. | Model | Voltage Range | Current Rating | Core Features |
| 2320157 | QUINT-DIODE/12-24DC/2X20/1X40 | 12–24VDC (10–30VDC) | 2×20A Redundancy / 1×40A Capacity Expansion | Most commonly used model, matched with QUINT 24V power supply |
| 2320160 | QUINT-DIODE/48DC/2X20/1X40 | 48VDC (30–56VDC) | 2×20A Redundancy / 1×40A Capacity Expansion | Matched with QUINT 48V power supply, industrial standard |
| 2866585 | QUINT-DIODE/48DC/40 | 48VDC (30–56VDC) | 1×40A | With protective coating, suitable for harsh environments |
| 2938963 | QUINT-DIODE/40 | 12–24VDC (10–30VDC) | 1×40A | Simplified version, single-channel 40A output |
| 2866584 | QUINT-DIODE/12-24DC/40 | 12–24VDC (10–30VDC) | 1×40A | With protective coating, single-channel output |
- TRIO2 Series (Cost-Efficient High-Efficiency)
| Part No. | Model | Voltage Range | Current Rating | Core Features |
| 2907379 | TRIO2-DIODE/12-24DC/2X20/1X40 | 12–24VDC (10–30VDC) | 2×20A Redundancy / 1×40A Capacity Expansion | High cost performance, matched with TRIO2 power supply |
| 2907380 | TRIO2-DIODE/12-24DC/2X10/1X20 | 12–24VDC (10–30VDC) | 2×10A Redundancy / 1×20A Capacity Expansion | Low current version for light load |
| 2907381 | TRIO2-DIODE/48DC/2X10/1X20 | 48VDC (30–56VDC) | 2×10A Redundancy / 1×20A Capacity Expansion | 48V system, matched with TRIO2 48V power supply |
| 2907382 | TRIO2-DIODE/48DC/2X20/1X40 | 48VDC (30–56VDC) | 2×20A Redundancy / 1×40A Capacity Expansion | 48V high current, economic alternative solution |
- TRIO Series (Basic Economy Type)
| Part No. | Model | Voltage Range | Current Rating | Core Features |
| 2866514 | TRIO-DIODE/12-24DC/2X10/1X20 | 12–24VDC (10–30VDC) | 2×10A Redundancy / 1×20A Capacity Expansion | With function monitoring, first choice for basic applications |
| 2866527 | TRIO-DIODE/48DC/2X10/1X20 | 48VDC (30–56VDC) | 2×10A Redundancy / 1×20A Capacity Expansion | 48V with monitoring, matched with TRIO 48V power supply |
| 2866515 | TRIO-DIODE/12-24DC/2X20/1X40 | 12–24VDC (10–30VDC) | 2×20A Redundancy / 1×40A Capacity Expansion | High current with monitoring, cost-effective |
| 2866528 | TRIO-DIODE/48DC/2X20/1X40 | 48VDC (30–56VDC) | 2×20A Redundancy / 1×40A Capacity Expansion | 48V high current with monitoring, general industrial use |
- UNO Series (Ultra-Compact Miniature)
| Part No. | Model | Voltage Range | Current Rating | Core Features |
| 2905489 | UNO-DIODE/5-24DC/2X10/1X20 | 5–24VDC (4.5–28VDC) | 2×10A Redundancy / 1×20A Capacity Expansion | Ultra-compact design, matched with UNO miniature power supply |
| 2905490 | UNO-DIODE/5-24DC/2X5/1X10 | 5–24VDC (4.5–28VDC) | 2×5A Redundancy / 1×10A Capacity Expansion | Minimum current rating, suitable for embedded systems |
- STEP3 Series (Entry-Level for Control Cabinet)
| Part No. | Model | Voltage Range | Current Rating | Core Features |
| 1283937 | STEP3-DIODE/5-24DC/2X5/1X10/PT | 5–24VDC (4.5–28VDC) | 2×5A Redundancy / 1×10A Capacity Expansion | Entry-level price, matched with STEP3 basic power supply |
| 1283938 | STEP3-DIODE/12-24DC/2X10/1X20 | 12–24VDC (10–30VDC) | 2×10A Redundancy / 1×20A Capacity Expansion | Basic high current type for simple redundancy demand |
- Selection Mnemonic & Key Differentiation
7.1 Series Positioning Mnemonic
QUINT4: New flagship, high reliability, long service life
QUINT: Classic model, stable performance, wide application
TRIO2: New economy, cost-effective, matches new power supplies
TRIO: Basic model, with monitoring, low cost
UNO: Ultra-compact, miniaturized, embedded use
STEP3: Entry-level, low price, basic application
7.2 Key Parameter Differentiation
| Parameter | Selection Points |
| Voltage | 12–24VDC(10–30VDC): Most common in industry |
| 48VDC(30–56VDC): High power / remote power supply | |
| 5–24VDC(4.5–28VDC): Low voltage / hybrid system | |
| Current | 2×5A/1×10A: Light load |
| 2×10A/1×20A: Medium load | |
| 2×20A/1×40A: Heavy load / power superposition | |
| Function | With monitoring: Fault alarm for easy maintenance |
| With coating: Adapt to humid / dusty environment | |
| Standard type: General scenarios with high cost performance |
- Application Scenario Matching Guide
| Application Scenario | Recommended Series | Typical Model |
| Industrial Automation PLC Cabinet | QUINT / QUINT4 | 2320157(2907719), 2320160(2907720) |
| Process Control Critical Equipment | QUINT4 (Coated Version) | 2907719, 2866585 |
| Small Control Cabinet / Embedded System | UNO / STEP3 | 2905489, 1283937 |
| Cost-Effective Projects | TRIO2 / TRIO | 2907379, 2866514 |
| 48V System (Telecom / Data Center) | QUINT4 / QUINT | 2907720, 2320160 |
