Phoenix Contact 2866705 Power Supply – QUINT-PS/3AC/24DC/10

The Phoenix Contact QUINT-PS/3AC/24DC/10 is a high-reliability DIN rail power supply delivering a regulated 24 V DC output at 10 A. Equipped with Selective Fuse Breaking (SFB) technology, POWER BOOST, and advanced diagnostics, it’s engineered for industrial control systems demanding stable, redundant-ready DC power.

Its wide input range supports both 3-phase AC and high-voltage DC sources, making it ideal for mission-critical installations in automation, robotics, and machine building.

Technical Specifications

Model: QUINT-PS/3AC/24DC/10
Part Number: 2866705
Product Type: Power Supply Unit
Input Voltage Range: 3 × 400–500 V AC / 450–800 V DC
Output Voltage: 24 V DC (adjustable 18–29.5 V DC)
Nominal Output Current: 10 A
Power Rating: 240–360 W
Mounting Type: DIN rail (NS 35)
Dimensions (W × H × D): 60 × 130 × 125 mm
Weight: Approx. 950 g

Input Characteristics

• Voltage Type: 3-phase AC or DC
• AC Input Range:
  • 3 × 400–500 V AC (–20% to +15%)
  • 2 × 400–500 V AC (–10% to +15%)
• DC Input Range: 450–800 V DC (mid-point earthed)
• Current Consumption:
  • 3 × 1.2 A (400 V AC)
  • 3 × 1 A (500 V AC)
  • 0.8 A (500 V DC)
  • 0.7 A (600 V DC)
• Inrush Current: < 15 A
• Power Factor (cos φ): 0.62
• Mains Buffering:

  • 30 ms (400 V AC)

  • 46 ms (500 V AC)

• Protection: Varistor + gas-filled surge arrester
• Permissible Backup Fuse: B6–B16 (AC), 6 A >1000 V DC (DC)
• Discharge Current to PE: < 3.5 mA

Output Performance

• Output Voltage: 24 V DC ±1%
• Voltage Adjustment Range: 18–29.5 V DC
• Nominal Current: 10 A
• POWER BOOST (Continuous): 15 A (–25°C to +40°C)
• Selective Fuse Breaking (SFB): 60 A (12 ms)
• Short-Circuit Protection: Yes
• Residual Ripple: < 20 mVpp
• Efficiency: typ. 93% (400 V AC)
• Output Power: 240 W (nominal) / 360 W (boost)
• Parallel Connection: Yes (redundancy and capacity)
• Series Connection: Yes
• Output Regulation:
  • Load change (static): <1%
  • Load change (dynamic): <3%
  • Input voltage change: <0.1%
• Overvoltage Protection (OVP): < 35 V DC

Signaling & Monitoring

• DC OK Active Output:
  • High signal when UOUT > 0.9 × UN
  • Voltage: 18–24 V DC
  • Current: ≤ 20 mA
• DC OK Floating (Relay Contact):
  • Closed when UOUT > 0.9 × UN
  • Max Voltage: 30 V AC/DC
  • Max Current: 1 A
• POWER BOOST Signal:
  • High signal when IOUT < IN
  • Voltage: 18–24 V DC
  • Current: ≤ 20 mA
• LED Indicators:
  • Green: DC OK
  • Yellow: BOOST

Mechanical & Connection Data

Input Terminal (Pluggable Screw):

• Rigid: 0.2–2.5 mm²
• Flexible: 0.2–2.5 mm²
• AWG: 16–12
• Torque: 0.5–0.6 Nm

Output Terminal (Pluggable Screw):

• Rigid: 0.2–2.5 mm²
• Flexible: 0.2–2.5 mm²
• AWG: 16–12
• Torque: 0.5–0.6 Nm

Signal Terminal (Pluggable Screw):

• Rigid: 0.2–2.5 mm²
• Flexible: 0.2–2.5 mm²
• AWG: 16–12
• Torque: 0.5–0.6 Nm

Mounting Position: Horizontal, DIN rail NS 35
Installation Clearance: 15 mm (sides), 50 mm (top/bottom)
Material: Galvanized steel & aluminum

Environmental & Reliability

• Protection Class: I
• Degree of Protection: IP20
• Pollution Degree: 2
• Operating Temperature: –25°C to +70°C (derating >60°C)
• Storage Temperature: –40°C to +85°C
• Start-Up Temperature: –40°C
• Max Altitude: 4500 m
• Humidity: ≤ 95% RH (non-condensing)
• Shock Resistance: 30 g / 18 ms
• Vibration Resistance:
  • <15 Hz: ±2.5 mm
  • 15–150 Hz: 2.3 g
• MTBF (SN 29500):

  • 1,100,000 h (25°C)

  • 630,000 h (40°C)

  • 280,000 h (60°C)

• Temperature Code: T4A

Applications

Ideal For:

• Compact automation systems and sensor arrays
• Machine control systems and distributed I/O
• Control cabinets requiring moderate current loads
• Redundant and series-connected 24 V DC systems

Key Features & Benefits

✅ Compact and Powerful: 10 A output in a narrow 60 mm width.

✅ SFB Technology: Reliable tripping of standard circuit breakers.

✅ BOOST Functionality: Delivers 15 A continuously when required.

✅ Flexible Input: Accepts both AC and high-voltage DC.

✅ Pluggable Connections: For quick and tool-free replacement.

✅ Diagnostics: LED status and relay output for easy system integration.

📦 Available from Drive Outlet Megastore

The Phoenix Contact QUINT-PS/3AC/24DC/10 offers compact power with powerful protection. Ideal for space-limited control systems, it ensures uninterrupted supply with SFB safety and BOOST performance.

Need help choosing the right PSU for your control system? Contact our experts today.

Phoenix quality, Drive Outlet convenience — engineered for industrial uptime.