Description
24V DC Power Supply – Eco 2
Wago 2687-2142
Reliable and Efficient 24V DC Power Supply
The Wago 2687-2142 24V DC Power Supply – Eco 2 series is a compact and efficient 1-phase power supply designed for industrial and automation applications. Delivering a stable 24 VDC output voltage at 1.25 A, it ensures consistent performance and reliability. Featuring a DC-OK LED, this unit provides real-time status indication. Additionally, with push-in termination and tool-free lever operation, installation is quick and straightforward.
Key Features of the Wago 2687-2142 24V DC Power Supply
- Optical Status Indication – The DC-OK LED provides real-time operational feedback.
- Parallel & Series Operation – Supports both configurations for flexible system integration.
- Natural Convection Cooling – Operates efficiently when mounted horizontally, eliminating the need for active cooling.
- Push-in CAGE CLAMP® Technology – Enables secure and tool-free wiring.
- Electrically Isolated Output Voltage – Meets SELV/PELV safety standards per EN 61010/UL 61010.
- Marker Slot – Compatible with WAGO marking cards (WMB) and marking strips (Marker slot 2789-1223, not included).
Technical Data
Input
- Phases: 1
- Nominal Input Voltage: 1 x AC 100–240 V
- Input Voltage Range: 1 x AC 90–264 V
- Nominal Mains Frequency Range: 50–60 Hz
- Input Current:
- ≤ 0.3 A (230 VAC, nominal load)
- ≤ 0.6 A (100 VAC, nominal load)
- Inrush Current: ≤ 10 A (after 1 ms)
- Power Factor Correction (PFC): Passive
- Mains Failure Hold-up Time:
- ≥ 120 ms (230 VAC)
- ≥ 15 ms (110 VAC)
Output
- Nominal Output Voltage: DC 24 V (SELV)
- Output Voltage Range: DC 22–29 V (adjustable)
- Default Setting: DC 24 V
- Nominal Output Current: 1.25 A (24 VDC)
- Nominal Output Power: 30 W
- Deviation: ≤ 1%
- Residual Ripple: ≤ 30 mV (Peak-to-peak, at 230 VAC)
- Overload Behaviour:
- Constant power up to 125%
- Shutdown and automatic restart in the event of a short circuit
Signalling and Communication
- Signalling: 1 x LED DC-OK (green)
Efficiency & Power Losses
- Power Loss:
- ≤ 0.2 W (No load)
- ≤ 4.3 W (Nominal load)
- Efficiency (typical): 88%
Circuit Protection
- Internal Fuse: T 1 A / 250 VAC
- Backup Fusing (Recommended): 16 A (for USA/Canada: 15 A)
Safety & Protection
- Isolation Voltage (Primary-Secondary, AC): 3510 V
- Protection Class: II
- Protection Type: IP20 (per EN 60529)
- Resistance to Reverse Feed: ≤ DC 35 V
- Overvoltage Category:
- III (≤ 2000 m above sea level)
- II (Above 2000 m)
- Pollution Degree: 2
- Short-Circuit Protection: Yes
- Open-Circuit Protection: Yes
- Parallel Operation: Yes
- Series Operation: Yes
Connection Data
- Connection Type: Input/Output
- Connection Technology: Push-in CAGE CLAMP®
- Solid Conductor: 0.2–4 mm² / 24–12 AWG
- Fine-Stranded Conductor: 0.2–4 mm² / 24–12 AWG
Physical Data
- Width: 25 mm / 0.984 inches
- Height: 100 mm / 3.937 inches
- Depth from Upper Edge of DIN-Rail: 100 mm / 3.937 inches
Mechanical Data
- Mounting Type: DIN-35 Rail
Material Data
- Fire Load: 0 MJ
- Weight: 160 g
Environmental Requirements
- Ambient Temperature (Operation at UN): -25°C to 70°C (Device starts at -40°C, type-tested)
- Surrounding Air Temperature (Storage): -40°C to +85°C
- Relative Humidity: 5–96% (No condensation permissible)
- Derating: See type label/manual
- Operating Altitude (Max.): 5000 m
Standards & Specifications
- Conformity Marking: CE
- Standards/Specifications:
- EN 61010-1
- EN 61010-2-201
- EN 61204-3
- UL 61010-1
- UL 61010-2-201
Commercial Data
- ETIM 8.0 Classification: EC002540
- ETIM 7.0 Classification: EC002540
- Pack Unit (PU/SPU): 1 Piece
- Country of Origin: China (CN)
- GTIN: 4066966156492
- Customs Tariff Number: 85044082900
This Wago 2687-2142 24V DC Power Supply – Eco 2 is designed to meet high standards for safety, efficiency, and reliability in automation and industrial applications. With parallel and series operation support, push-in termination, and natural convection cooling, it ensures seamless integration into electrical systems.
