Why Choose the Finder 78.Z3.1.440.2414 Industrial Three-Phase Switch Mode Power Supply?
The Finder 78.Z3.1.440.2414 is a high-performance 960 W industrial three-phase switch mode power supply (SMPS) designed to deliver stable, efficient and reliable 24 V DC power for demanding industrial automation, machinery and electrical control applications. As part of the advanced Finder 78 Series industrial power supply range, it combines high output capacity, wide-range input compatibility and sophisticated power management technology for industrial installations requiring dependable DC power distribution.
This industrial power supply features double-stage conversion with active Power Factor Correction (PFC), helping improve electrical efficiency and power quality. Its regulated output, integrated DC OK auxiliary feedback contact and comprehensive electrical protection functions support reliable operation of PLCs, industrial controllers, sensors, relays and other automation equipment. The power supply also incorporates an internal clock for direct parallel operation, enabling multiple compatible units to share load current.
With a rated output power of 960 W, a nominal output current of 40 A and a 24 V DC regulated output, the Finder 78.Z3.1.440.2414 is ideal for industrial control systems with substantial DC power requirements. Its three-phase AC input, adjustable 24–28 V DC output and standard 35 mm DIN rail mounting make it suitable for integration into industrial electrical cabinets, machine control panels and automated production equipment.
Key Advantages
- High-capacity 960 W industrial switch mode power supply designed for demanding automation applications.
- 24 V DC regulated output provides dependable power for industrial control systems.
- 40 A rated output current supports high-demand electrical loads and multiple automation devices.
- Three-phase wide-range AC input provides flexibility for industrial electrical installations.
- Adjustable 24–28 V DC output accommodates compatible industrial equipment requirements.
- Double-stage conversion with active Power Factor Correction (PFC) supports efficient electrical power conversion.
- High-efficiency switching technology helps minimise energy losses and heat generation.
- Integrated DC OK volt-free auxiliary contact enables output status monitoring.
- Direct parallel operation using an internal clock supports increased power capacity and load sharing.
- Boost current capability supports temporary increases in load demand.
- Integrated constant-current output limiting helps manage overload conditions.
- Short-circuit protection with automatic recovery improves operational reliability.
- Thermal shutdown and overvoltage protection help safeguard the power supply.
- 35 mm DIN rail mounting simplifies installation in industrial control cabinets.
Key Features
- Finder 78 Series industrial three-phase switch mode power supply.
- 960 W rated output power.
- 24 V DC nominal output voltage.
- 40 A rated output current.
- 24–28 V DC adjustable output voltage.
- Three-phase wide-range AC input for industrial electrical systems.
- 340–550 V AC input operating range.
- 480–780 V DC input compatibility.
- Dual-phase operation capability for compatible installations.
- Double-stage switching architecture with active PFC.
- High-efficiency power conversion for reduced operating losses.
- DC OK volt-free auxiliary feedback contact for power supply monitoring.
- Internal clock synchronisation for direct parallel connection of compatible units.
- Parallel operation capability for increased output capacity.
- Up to 30% temporary boost current capability under specified operating conditions.
- Constant-current output limiting circuit.
- Short-circuit protection with hiccup-mode automatic recovery.
- Thermal protection with automatic shutdown.
- Varistor-based overvoltage protection.
- Low standby power consumption.
- −30 to +70 °C operating temperature range, subject to derating.
- Screw terminal connections for secure electrical wiring.
- 35 mm DIN rail mounting in accordance with EN 60715.
Technical Specifications
- Manufacturer: Finder
- Series: 78 Series Switch Mode Power Supplies
- Model: 78.Z3.1.440.2414
- Product type: Industrial three-phase switch mode DC power supply
- Power supply technology: Double-stage switching power supply with active PFC
- Rated output power: 960 W
- Nominal output voltage: 24 V DC
- Adjustable output voltage: 24–28 V DC
- Rated output current: 40 A
- Number of DC outputs: 1
- AC input voltage range: 340–550 V AC
- DC input voltage range: 480–780 V DC
- Input configuration: Three-phase AC, with dual-phase operation capability
- Power Factor Correction: Active PFC
- Output voltage regulation: Regulated DC output
- Auxiliary feedback: DC OK volt-free contact
- Current limiting: Constant-current output limiting circuit
- Temporary boost capability: Up to 30% additional output current for 3 s, subject to operating conditions
- Parallel operation: Direct parallel connection using internal clock synchronisation
- Short-circuit protection: Hiccup mode with automatic recovery
- Thermal protection: Automatic shutdown
- Overvoltage protection: Varistor-based protection
- Operating temperature: −30 to +70 °C, with derating
- Isolation voltage: 3 kV
- Mounting type: 35 mm DIN rail (EN 60715)
- Electrical connections: Screw terminals
- Dimensions (H × W × D): approx. 125.1 × 110 × 156.4 mm
- Approvals and conformity: CE, cULus, UKCA
- Applicable standards: EN 61010-1, UL 61010
Reliable High-Power DC Supply for Industrial Automation
Industrial switch mode power supplies such as the Finder 78.Z3.1.440.2414 convert incoming electrical power into a stable, regulated DC output suitable for industrial automation and electronic control equipment. By providing a dependable 24 V DC supply at up to 40 A, this power supply can support multiple connected control devices, industrial sensors, monitoring systems and automation modules from a central DC power source.
The Finder 78.Z3 Series incorporates double-stage conversion with active Power Factor Correction to support efficient operation in demanding industrial environments. Its wide input voltage capability allows integration with suitable three-phase industrial power systems, while the adjustable output voltage provides flexibility for compatible equipment requiring regulated DC power between 24 and 28 V.
A key feature of the Finder 78.Z3.1.440.2414 is its direct parallel operation capability using internal clock synchronisation. This allows compatible power supplies to operate together for increased output capacity and load sharing without requiring an external current-sharing controller. Correct parallel installation and configuration must follow Finder's connection requirements to ensure dependable operation.
The integrated DC OK auxiliary feedback contact provides a convenient method of monitoring output status through compatible PLC inputs or industrial monitoring circuits. Combined with constant-current limiting, short-circuit recovery, thermal shutdown and overvoltage protection, these features help support reliable DC power distribution in automated production facilities and industrial control installations.
Typical Applications
- Industrial PLC and programmable automation control systems.
- High-current 24 V DC electrical control circuits.
- Industrial machinery and automated production equipment.
- Large electrical control panels and industrial distribution cabinets.
- Packaging, processing and material handling machinery.
- Industrial sensors, electronic relays and monitoring equipment.
- Industrial communication networks and control modules.
- Factory automation and manufacturing control systems.
- Process monitoring and instrumentation equipment.
- Machine building and OEM industrial automation applications.
- Centralised DC power distribution for multiple control devices.
- High-power industrial automation installations requiring parallel power supplies.
- Power supply status monitoring using DC OK auxiliary feedback.
- Industrial control systems requiring high-efficiency power conversion.
