Phoenix Contact 2866404 Power Supply – TRIO-PS/3AC/24DC/40

The Phoenix Contact TRIO-PS/3AC/24DC/40 is a powerful 3-phase DIN rail power supply from the TRIO POWER series, delivering 24 V DC at 40 A for demanding industrial applications. With global approvals, wide input ranges, and robust construction, this unit is ideal for machine building and factory automation.

Engineered for reliability in harsh environments, the TRIO-PS/3AC/24DC/40 features transient surge protection, high dielectric strength, and continuous output with active current limitation. It’s designed for use in standard control cabinets, allowing operation up to 70°C with derating and ensuring stable voltage for sensitive loads.

Technical Specifications

Model: TRIO-PS/3AC/24DC/40
Part Number: 2866404
Product Type: Power Supply Unit
Mounting: DIN rail NS 35
Housing Material: Zinc-plated steel (metal housing)
Dimensions (W × H × D): 139 × 130 × 190 mm
Weight: Approx. 2.6 kg

Electrical Characteristics

Input:

• Nominal Input Voltage Range: 3× 400–500 V AC
• Extended Range: 3× 320–575 V AC | 2× 360–575 V AC (2-phase operation)
• Frequency Range: 45–65 Hz
• Inrush Current: < 20 A
• Power Factor (cos φ): 0.76
• Power Consumption: 1387 VA (nominal)
• Surge Protection: Varistor-based
• Input Protection: B10/B16 fuse recommended

Output:

• Output Voltage: 24 V DC ±1%
• Adjustable Range: 22.5–29.5 V DC
• Nominal Output Current: 40 A
• Output Power: 960 W
• Efficiency: > 91.5% (at 400 V AC)
• Residual Ripple: < 20 mVPP
• Max. Capacitive Load: Unlimited
• Rise Time: < 2 ms (10–90%)
• Derating: 2.5%/K above 55°C (operation up to 70°C)
• Parallel Operation: Yes
• Series Connection: Yes

Protection:

• Short-Circuit Proof: Yes
• Overvoltage Protection: < 35 V DC
• Active Current Limiting: Approx. 48 A

Mechanical & Connection Data

Input Terminal (Screw):

• Rigid: 0.2–6 mm²
• Flexible: 0.2–4 mm²
• AWG: 22–10
• Torque: 0.5–0.6 Nm

Output Terminal (Screw):

• Rigid: 0.5–16 mm²
• Flexible: 0.5–10 mm²
• AWG: 8–6
• Torque: 1.2–1.5 Nm

Mounting Position: Horizontal DIN rail NS 35 Installation Clearance: 0 mm (sides), 50 mm (top/bottom)

Environmental & Reliability

• Operating Temperature: –25°C to +70°C (derating > 55°C)
• Storage Temperature: –40°C to +85°C
• Humidity: ≤ 95% (non-condensing)
• Degree of Protection: IP20
• Protection Class: I (with PE connection)
• Overvoltage Category: III
• Pollution Degree: 2
• MTBF (40°C): > 930,000 hours
• Vibration Resistance: 2.3 g (15–150 Hz)
• Shock Resistance: 15 g (IEC 60068-2-27)

Applications

Perfect for:

• Industrial machine building
• Power distribution in automation
• 24 V DC control systems with high load demands
• Global export systems requiring broad input tolerances

Key Features & Benefits

✅ Wide Input Range: Suitable for global 3-phase grids (320–575 V AC).

✅ High Output Power: 960 W continuous, 40 A for high current loads.

✅ Rugged Metal Housing: Withstands vibration, temperature, and electrical stress.

✅ Parallel & Series Operation: Scalable for redundancy or voltage levels.

✅ LED Diagnostics: “DC OK” status indicator ensures reliable monitoring.

📦 Available from Drive Outlet Megastore

The Phoenix Contact TRIO-PS/3AC/24DC/40 combines durability and performance for cost-effective, high-power applications. Power your industrial automation with confidence.

Need assistance with system integration or replacements? Contact our support team now.

Phoenix quality, Drive Outlet delivery — built for the factory floor.