Phoenix Contact 2866789 Power Supply – QUINT-PS/1AC/24DC/40

The Phoenix Contact QUINT-PS/1AC/24DC/40 is a high-performance DIN rail-mounted industrial power supply that delivers a robust 24 V DC output at 40 A. Featuring Selective Fuse Breaking (SFB) Technology, POWER BOOST reserve, and comprehensive diagnostics, it ensures maximum uptime and system protection in critical automation environments.

With an adjustable output range from 18 V to 29.5 V DC, this 960 W power supply provides superior system availability through magnetic tripping of circuit breakers, active monitoring, and uninterrupted startup of demanding loads.

Technical Specifications

Model: Phoenix QUINT-PS/1AC/24DC/40
Part Number: 2866789
Product Type: Industrial Power Supply
Input Voltage Range: 85–264 V AC / 90–300 V DC
Output Voltage: 24 V DC ±1% (adjustable 18–29.5 V DC)
Output Current: 40 A continuous, 45 A POWER BOOST
Output Power: 960 W
Efficiency: > 92% (230 V AC)
Mounting Type: DIN rail (NS 35)
Dimensions (W × H × D): 180 × 130 × 125 mm
Weight: Approx. 2.7 kg

Input Characteristics

• Input Voltage (AC): 85–264 V
• Input Voltage (DC): 90–300 V (UL: ≤ 250 V)
• Nominal Input Voltage Range (AC): 100–240 V
• Derating:
  • < 100 V AC: –1%/V
  • < 120 V DC: –0.5%/V
• AC Frequency Range: 45–65 Hz
• Inrush Current: < 15 A
• I²t (Inrush): < 1.7 A²s
• Current Consumption:
  • 8.8 A @ 120 V AC
  • 4.6 A @ 230 V AC
• Power Factor: 0.88
• Input Fuse: 20 A slow-blow (internal)
• Recommended Circuit Breaker: 16–20 A (B/C/D/K)
• Protection: Varistor and surge arrester

Output Performance

• Nominal Output Voltage: 24 V DC ±1%
• Adjustable Voltage Range: 18–29.5 V DC
• Output Current:
  • 40 A (–25°C to +60°C)
  • 45 A POWER BOOST (–25°C to +40°C)
• SFB Output Current: 215 A for 12 ms
• Residual Ripple: < 30 mVPP
• Rise Time: < 0.1 s (10–90%)
• Short-Circuit Protection: Yes
• Connection in Parallel/Series: Supported
• Feedback Voltage Resistance: ≤ 35 V DC
• Overvoltage Protection: ≤ 35 V DC
• Power Loss (Full Load): 80 W
• No-Load Power Dissipation: 14 W

Signaling & Diagnostics

• DC OK (active):
  • Output: 18–24 V DC
  • Max Current: 20 mA
• DC OK (floating):
  • Relay contact
  • 30 V AC / 24 V DC, 1 A
• POWER BOOST Status:
  • 24 V DC output, max 20 mA
  • LED indication: Yellow (BOOST active)
• Visual Indicators:
  • Green LED (DC OK)
  • Yellow LED (POWER BOOST)
  • Flashing LED (DC fault)

Mechanical & Connection Data

• Input Connection: Screw terminal
  • Rigid: 0.2–6 mm²
  • Flexible: 0.2–4 mm²
  • AWG: 14–10
• Output Connection: Screw terminal
  • Rigid/Flexible: 0.5–16 mm²
  • AWG: 8–6
• Signal Terminal: Screw terminal (0.2–6 mm²)
• Stripping Lengths:
  • Input: 7 mm
  • Output: 10 mm
  • Signal: 7 mm
• Screw Thread: M3 (input/signal), M4 (output)

Environmental & Reliability

• Protection Class: I
• Degree of Protection: IP20
• Pollution Degree: 2
• Operating Temperature: –25°C to +70°C (derating >60°C: –2.5%/K)
• Storage Temperature: –40°C to +85°C
• Altitude: Up to 4000 m
• Humidity (Operation): ≤ 95% RH (non-condensing)
• Shock Resistance: 30 g, 18 ms
• Vibration Resistance: 5–100 Hz, 0.7 g
• MTBF:

  • 900,000 h @ 25°C

  • 530,000 h @ 40°C

  • 240,000 h @ 60°C

Applications

Ideal For:

• High-power industrial automation systems
• Redundant 24 V DC bus architectures
• Control cabinets with heavy load start-up requirements
• Systems requiring circuit breaker tripping and fault monitoring
• Power-intensive PLC, HMI, or servo control systems

Key Features & Benefits

✅ High Output Power: 960 W, with 40 A continuous and 45 A POWER BOOST capacity.

✅ Advanced Protection: SFB tripping of circuit breakers ensures safe, cost-effective fault handling.

✅ Wide Input Range: Supports global voltage standards from 85–264 V AC and 90–300 V DC.

✅ Diagnostics & Monitoring: Visual and relay-based feedback for system health.

✅ Robust Design: Operates from –25°C to +70°C with compact DIN rail mounting.

📦 Available from Drive Outlet Megastore

The Phoenix Contact QUINT-PS/1AC/24DC/40 delivers high-capacity power with built-in redundancy support and real-time diagnostics for mission-critical applications. Designed for demanding automation systems, this power supply ensures continuous operation even under heavy loads.

Need help sizing your DC loads or designing a redundant setup? Contact our power supply experts here.

Phoenix reliability, Drive Outlet delivery — engineered for high demand.