Phoenix Contact 2866381 Power Supply – TRIO-PS/1AC/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/1AC/24DC/20
Product Type Power Supply Unit
Part Number 2866381
Power Output 480 W
Series Connection Supported
Nominal Output Current 20 A
Input Voltage Range 85–264 V AC (derating below 90 V AC)
Mounting Type DIN rail NS 35
Voltage Type AC (single-phase)
Nominal Input Voltage 100–240 V AC
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Manufacturer-discontinued model: availability may be limited. Check the exact part number before ordering.

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Phoenix Contact 2866381 Power Supply – TRIO-PS/1AC/24DC/20

The Phoenix Contact TRIO-PS/1AC/24DC/20 is a high-performance, primary-switched DIN rail power supply delivering 20 A at 24 V DC . Designed for standard industrial applications , this device offers dependable functionality, excellent power efficiency, and robust build quality for demanding automation and machine-building environments.

Technical Specifications

Model TRIO-PS/1AC/24DC/20
Part Number 2866381
Product Type Power Supply Unit
Input Voltage Range 85–264 V AC (derating below 90 V AC)
Output Voltage 24 V DC (adjustable 22.5–29.5 V DC)
Nominal Output Current 20 A
Power Output 480 W
Mounting Type DIN rail NS 35
Dimensions (W × H × D) 115 × 130 × 152.5 mm
Weight Approx. 2.2 kg

Input Characteristics

Voltage Type AC (single-phase)
Nominal Input Voltage 100–240 V AC
Extended Range 85–264 V AC
Derating 2.5%/V below 90 V AC
Frequency Range 45–65 Hz
Inrush Current < 15 A
Inrush Current Integral (I²t) 1.4 A²s
Mains Buffering Time > 13 ms (120 V / 230 V AC)
Internal Input Fuse 10 A slow-blow
Recommended Breaker 16 A (B/C/D/K characteristic)
Power Factor 0.99 (typ.)
Current Consumption 4.6 A (120 V AC), 2.4 A (230 V AC)

Output Performance

Output Voltage 24 V DC ±1% (adjustable 22.5–29.5 V DC)
Output Characteristic U/I characteristic
Efficiency 91% (at 230 V AC)
Residual Ripple < 10 mVpp
Power Loss (Full Load) < 46 W
No-Load Power Dissipation < 4 W
Active Current Limiting Approx. 25 A (short-circuit protection)
Feedback Voltage Resistance 35 V DC
Overvoltage Protection < 35 V DC
Capacitive Load Unlimited
Rise Time < 2 ms (10–90%)
Parallel Operation Supported
Series Connection Supported

Signaling & Indicators

Signaling Type LED status indicator
LED Display Green “DC OK”
Threshold UOUT > 21.5 V = LED ON

Connection Data

Input Terminal (Screw) Rigid: 0.2–2.5 mm² Flexible: 0.2–2.5 mm² AWG: 24–14 Torque: 0.4–0.5 Nm Stripping Length: 9 mm
Output Terminal (Screw) Rigid: 0.5–6 mm² Flexible: 0.5–4 mm² AWG: 20–10 Torque: 0.5–0.6 Nm Stripping Length: 14 mm

Mechanical & Environmental

Housing Material Zinc-plated steel, aluminum sides
Mounting Type Horizontal DIN rail (NS 35)
Installation Clearance 0 mm (sides), 50 mm (top/bottom)
Protection Class I (PE required)
Degree of Protection IP20
Ambient Temperature (Operation) –25°C to +70°C (derating >55°C)
Storage Temperature –40°C to +85°C
Humidity ≤ 95% RH (non-condensing)
Shock Resistance 30 g / 18 ms
Vibration Resistance 2.3 g (15–150 Hz), 2.5 mm amplitude (<15 Hz)

Standards & Reliability

Overvoltage Category III
Pollution Degree 2
MTBF (SN 29500 @ 40°C) > 915,000 h
Climatic Class 3K3 (EN 60721)
Input/Output: 4 kV AC (type test), 2 kV AC (routine test)
Output/PE: 500 V DC
Input/PE: 2 kV AC

Frequently Asked Questions

How can I check whether 2866381 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 2866381 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 2.2 kg

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