787-842 | Wago EPSITRON® PRO 24 VDC 20 A Three-Phase DIN-Rail Power Supply

Wago · Power Supplies & Transformers

Description  The Wago 787-842 is a three-phase switched-mode power supply from the EPSITRON® PRO series, delivering a regulated 24 VDC output at up to 20 A. It is designed for industrial control cabinets requiring high power reserves, stable DC supply, and short-term overload capability. The unit supports PowerBoost and TopBoost functions to handle peak loads reliably in demanding automation environments.     Technical Specifications  Condition New/Never Used Surplus Brand Wago Category Industrial Power Supplies Part Number 787-842 Subcategory DIN-Rail Power Supplies Input Voltage (2 / 3) × 400 … 500 VAC Input Frequency 50 … 60 Hz Nominal Output Voltage 24 VDC Nominal Output Current 20 A Nominal Output Power 480 W Efficiency (typ.) 92.9 % PowerBoost 40 A (4 s) / 30 A (16 s) TopBoost 80 A (50 ms) Isolation Voltage (pri.-sec.) 4.242 kVDC Mounting DIN-35 rail Degree of Protection IP20 Operating Temperature -25 to +70 °C Weight 1300 g     Information About 787-842 The 787-842 is part of the WAGO EPSITRON® PRO power supply family, developed for high-performance industrial power distribution. It operates on two- or three-phase AC input and provides a fully isolated SELV/PELV-compliant 24 VDC output for sensitive automation equipment. The power supply supports parallel and series operation, enabling system scalability and redundancy concepts. Encapsulated construction, natural convection cooling, and comprehensive protection features make it suitable for continuous operation in control cabinets under harsh conditions. Key Features: Three-Phase Power Supply: Designed for 2- or 3-phase industrial AC input networks. High Output Capacity: Delivers 24 VDC at a nominal current of 20 A with stable regulation. PowerBoost Function: Provides up to 40 A for 4 seconds or 30 A for 16 seconds during load peaks. TopBoost Capability: Supplies up to 80 A for 50 ms to support high inrush current loads. DC OK Monitoring: Integrated LED and relay contact enable reliable output status monitoring. Standby Control Input: Allows output shutdown to minimize power consumption during idle states. Parallel and Series Operation: Supports system expansion, redundancy, or voltage scaling. High Efficiency Design: Typical efficiency of 92.9% reduces energy losses and heat generation. Robust Electrical Isolation: SELV and PELV compliant with high isolation voltages for system safety. The 787-842 delivers the reliability and precision required for high-power industrial automation and control cabinet power supply applications.

Brand: Wago · Category: Power Supplies & Transformers

Key features

• Three-Phase Power Supply: Designed for 2- or 3-phase industrial AC input networks.
• High Output Capacity: Delivers 24 VDC at a nominal current of 20 A with stable regulation.
• PowerBoost Function: Provides up to 40 A for 4 seconds or 30 A for 16 seconds during load peaks.
• TopBoost Capability: Supplies up to 80 A for 50 ms to support high inrush current loads.
• DC OK Monitoring: Integrated LED and relay contact enable reliable output status monitoring.
• Standby Control Input: Allows output shutdown to minimize power consumption during idle states.
• Parallel and Series Operation: Supports system expansion, redundancy, or voltage scaling.
• High Efficiency Design: Typical efficiency of 92.9% reduces energy losses and heat generation.
• Robust Electrical Isolation: SELV and PELV compliant with high isolation voltages for system safety.

Specifications

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