Phoenix Contact 2866394 Power Supply – TRIO-PS/3AC/24DC/20

£264.44 inc VAT

In Stock · Delivered in 3–5 Working Days
Estimated UK delivery time, subject to order confirmation, courier services and destination. International delivery times vary.
Technical SpecificationsPhoenix Contact
Model TRIO-PS/3AC/24DC/20
Product Type Power Supply Unit
Part Number 2866394
Series Connection Yes
Nominal Output Current 20 A
Nominal Input Voltage 3× 400–500 V AC
Frequency Range 45–65 Hz
Mounting DIN rail NS 35
Dimensions (W × H × D) 115 × 130 × 152.5 mm
Weight Approx. 2.2 kg
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Phoenix Contact 2866394 Power Supply – TRIO-PS/3AC/24DC/20

The Phoenix Contact TRIO-PS/3AC/24DC/20 is a compact and robust 3-phase DIN rail power supply delivering 24 V DC at 20 A for industrial control systems. Engineered for high reliability, this unit is ideal for standard machine building , offering global approvals, wide-range input tolerance, and consistent performance across a broad temperature range.

Technical Specifications

Model TRIO-PS/3AC/24DC/20
Part Number 2866394
Product Type Power Supply Unit
Mounting DIN rail NS 35
Housing Material Zinc-plated steel with aluminum sides
Dimensions (W × H × D) 115 × 130 × 152.5 mm
Weight Approx. 2.2 kg

Electrical Characteristics

Nominal Input Voltage 3× 400–500 V AC
Extended Range 3× 320–575 V AC | 2× 360–575 V AC
Frequency Range 45–65 Hz
Inrush Current < 15 A
Power Factor (cos φ) 0.67
Power Consumption 793 VA
Surge Protection Varistor-based
Input Protection B6/B10/B16 fuse recommended
Mains Buffering Time > 17 ms (at 3× 400 V AC)
Output Voltage 24 V DC ±1%
Adjustable Range 22.5–29.5 V DC
Nominal Output Current 20 A
Output Power 480 W
Efficiency 91% (at 400 V AC)
Residual Ripple < 10 mVPP
Max. Capacitive Load Unlimited
Active Current Limiting Approx. 25 A
Rise Time < 2 ms (10–90%)
Derating 2.5%/K above 55°C (operation up to 70°C)
Overvoltage Protection < 35 V DC
Feedback Voltage Resistance 35 V DC
Parallel Operation Yes
Series Connection Yes
Input Nominal Input Voltage: 3× 400–500 V AC Extended Range: 3× 320–575 V AC | 2× 360–575 V AC Frequency Range: 45–65 Hz Inrush Current: < 15 A Power Factor (cos φ): 0.67 Power Consumption: 793 VA Surge Protection: Varistor-based Input Protection: B6/B10/B16 fuse recommended Mains Buffering Time: > 17 ms (at 3× 400 V AC)
Output Output Voltage: 24 V DC ±1% Adjustable Range: 22.5–29.5 V DC Nominal Output Current: 20 A Output Power: 480 W Efficiency: 91% (at 400 V AC) Residual Ripple: < 10 mVPP Max. Capacitive Load: Unlimited Active Current Limiting: Approx. 25 A Rise Time: < 2 ms (10–90%) Derating: 2.5%/K above 55°C (operation up to 70°C) Overvoltage Protection: < 35 V DC Feedback Voltage Resistance: 35 V DC Parallel Operation: Yes Series Connection: Yes

Mechanical & Connection Data

Rigid/Flexible 0.2–2.5 mm²
AWG 24–14
Stripping Length 9 mm
Torque 0.4–0.5 Nm
Screw Thread M2.5
Rigid 0.5–6 mm²
Flexible 0.5–4 mm²
AWG 12–10
Stripping Length 14 mm
Torque 0.5–0.6 Nm
Screw Thread M3
Mounting Position Horizontal on DIN rail NS 35
Installation Clearance 0 mm (sides), 50 mm (top/bottom)
Input Terminal (Screw) Rigid/Flexible: 0.2–2.5 mm² AWG: 24–14 Stripping Length: 9 mm Torque: 0.4–0.5 Nm Screw Thread: M2.5
Output Terminal (Screw) Rigid: 0.5–6 mm² Flexible: 0.5–4 mm² AWG: 12–10 Stripping Length: 14 mm Torque: 0.5–0.6 Nm Screw Thread: M3

Environmental & Reliability

Operating Temperature –25°C to +70°C (derating > 55°C)
Storage Temperature –40°C to +85°C
Relative Humidity ≤ 95% (non-condensing at 25°C)
Degree of Protection IP20
Protection Class I
Altitude ≤ 2000 m
MTBF (25°C) > 1,190,000 hours
Shock Resistance 30 g, 18 ms (IEC 60068-2-27)
Vibration Resistance 2.3 g, 15–150 Hz (IEC 60068-2-6)
Pollution Degree 2
Overvoltage Category III
Climatic Class 3K3 (EN 60721)

Frequently Asked Questions

How can I check whether 2866394 is the correct replacement?

Check the exact manufacturer part number, electrical ratings, interface type, mounting and equipment compatibility against your existing equipment and the manufacturer’s datasheet.

How quickly can 2866394 be delivered?

This product is listed as in stock, with estimated UK delivery in 3–5 working days. Delivery depends on order confirmation, courier services and destination.

Where can I check specifications and compatibility?

Review the specification information above and the product’s Downloads or Data Sheets tab, where documents are supplied. Our team can help check part numbers and installation compatibility.

What warranty does Drive Outlet Megastore offer?

Drive Outlet offers its own 2-year return-to-base warranty unless otherwise stated. Manufacturer warranties may not apply; please review the Terms and Conditions before ordering.

Weight 1 kg

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