Model 88 Two-Switch Forward Series
Model 88 (250W–600W)Proven 250W–600W power supply platform built with two-switch forward switching topology and manual 115V/230V voltage selector, delivering up to 82% efficiency for commercial and industrial desktop programs.
Product Specifications
Full breakdown (12 specs) ↓Platform overview
Designed around the brief.
Built to rigorous industrial standards with verified thermal dynamics, precision topology control, and high-efficiency power delivery engineered for heavy compute demands.
≥90%
80 PLUS Gold certified
≤50 µs
Fast recovery response
9-Fold
Hardware safety suite
>100k h
MTBF industrial rating
Custom wattage bins (550W–1050W), bespoke cable harness lengths, custom fan curves, and private label chassis grilles available for enterprise orders.
Inquire for custom platform specsTwo-switch forward topology delivering higher efficiency (up to 82%) and thermal headroom
Configuration and availability require confirmation for the final product program.
Dual-voltage selector switch (115V / 230V) accommodating international export markets
Configuration and availability require confirmation for the final product program.
Passive PFC with low-loss magnetic core providing compliant grid power factor (>0.75)
Configuration and availability require confirmation for the final product program.
Intelligent temperature-controlled fan curve maintaining 1000 RPM floor for quiet workspaces
Configuration and availability require confirmation for the final product program.
Low ripple voltage design protecting motherboard circuits and magnetic hard drives
Configuration and availability require confirmation for the final product program.
Complete 9-fold circuit protection suite defending against grid surges and over-currents
Configuration and availability require confirmation for the final product program.
Long output harness accommodating both traditional and modern chassis cable paths
Configuration and availability require confirmation for the final product program.
Equipped with PCIe 6+2Pin connector for optional discrete graphics cards
Configuration and availability require confirmation for the final product program.
Architecture & Hardware Showcase
Precision engineering, inside and out.
Direct view into component selection, structural PCB layout, and thermal topology.
Chassis & Enclosure
Durable matte black / industrial enclosure designed for optimal ventilation and component protection.
Internal Architecture & Layout 1
Internal component layout showcasing filtration stage, transformer section, and precision manufacturing.
Structured data
Specifications
Model 88 is a classic, battle-tested workhorse platform utilizing two-switch forward topology paired with Passive PFC and a physical 115V/230V toggle switch. Widely specified in enterprise office PCs, government tenders, and institutional system builds where field-proven reliability and low lifecycle costs are paramount.
Model 88 Two-Switch Forward Series Engineering Datasheet
PDF · Mechanical dimensions & pinouts
Manufacturing & Test Standards
- Chroma 8000 automated test validation
- 100% Hi-Pot & thermal burn-in tested
- Intel ATX 3.1 & PCIe 5.1 native certification
- Taiwan / Japanese 105°C primary capacitor tier
Need custom voltage tolerances, custom cable harnesses or compliance records? Contact our power engineering team →
- Rated output
- 250 W – 600 W
- Efficiency tier
- Up to 82% typical load efficiency
- Topology
- Two-Switch Forward Topology
- Standard
- Intel ATX 12V 2.31
- AC input range
- 90–135 V / 160–264 V (Switchable toggle)
- Dynamic response
- ≤50 µs transient recovery time
- Power factor
- >0.75 (Passive PFC choke)
- Ripple & noise
- +5V/+3.3V <50mV, +12V <120mV
- Cooling fan
- 120 mm smart thermal fan (min 1000 RPM)
- Modularity
- Direct-wire with long cables for rear routing
- Protection suite
- Brown-out, OVP, UVP, OCP, OPP, SCP, ESD, Surge, EMC
- MTBF
- >80,000 hours
PC Power Supply Engineering
PC Power Supply OEM/ODM & Technical Support
Direct technical & commercial access for desktop, gaming rig, and workstation power supplies. Discuss wattage sizing (550W–1050W), ATX 3.1 & 12V-2x6 GPU delivery, modular cabling, and PC chassis compatibility with our engineering team.
Direct FAE evaluation for GPU transient spikes (200% excursion), 12V-2x6 cable clearance, and motherboard 24-pin compatibility within 24 hours.
Golden engineering units shipped in 3–5 days to validate PC chassis mounting, FDB fan acoustic profiles, and GPU power delivery under real loads.
Custom embossed/braided modular cables, customized casing finishes (Black/White), branded fan grilles, and bilateral NDA protection.
Complete ATE automated test reports (ripple <30mV, voltage regulation <±1.5%), cross-load efficiency curves, thermal imaging, and 3D CAD STEP files.
PC Power Supply Project Roadmap
- 1Platform & Wattage Selection: Choose standard wattage (550W–1050W), modular format (Full/Semi/Direct), or custom embossed cable lengths.
- 2Chassis & GPU Compatibility Review (<24h): Our FAEs verify 140mm chassis depth fitment, 12V-2x6 thermal safety, and thermal airflow curves.
- 3EVT Prototype & Bench Test: Receive working samples for system smoke test & motherboard validation, followed by mass production.
For urgent PC system integration, gaming rig bids, or high-volume PSU orders, contact our power supply engineering team via larry@encon.ltd for immediate assistance.
Downloads
Formal product documents are not yet available.
Ask ENCON for the latest approved datasheet or certification document.