Phoenix Contact 2866802 Power Supply – QUINT-PS/3AC/24DC/40

The Phoenix Contact QUINT-PS/3AC/24DC/40 is a high-performance DIN rail power supply delivering a stabilized 24 V DC output at 40 A. Featuring Selective Fuse Breaking (SFB) technology, POWER BOOST, and comprehensive diagnostic signaling, it’s purpose-built for critical automation and control applications demanding maximum reliability and availability.

Designed for three-phase or DC supply, this unit supports parallel operation, advanced protection features, and adjustable output voltage — ensuring optimal integration into modern industrial systems.

Technical Specifications

Model: QUINT-PS/3AC/24DC/40
Part Number: 2866802
Product Type: Power Supply Unit
Input Voltage Range: 3 × 400–500 V AC ±15% / 500–600 V DC
Output Voltage: 24 V DC (adjustable 18–29.5 V DC)
Nominal Output Current: 40 A
Power Rating: 960–1080 W
Mounting Type: DIN rail (NS 35)
Dimensions (W × H × D): 96 × 130 × 176 mm
Weight: Approx. 1.9 kg

Input Characteristics

• Voltage Type: 3-phase AC or DC
• AC Nominal Input: 3 × 400–500 V AC
• AC Range: –20% to +15%
• DC Input Range: 500–600 V DC (–10% to +33%)
• Input Frequency: 45–65 Hz (AC) / 0 Hz (DC)
• Current Consumption:
  • 3 × 2.1 A (400 V AC)
  • 3 × 1.7 A (500 V AC)
  • 2.2 A (500 V DC)
  • 1.9 A (600 V DC)
• Inrush Current: < 15 A
• Power Factor (cos φ): 0.76
• Mains Buffering:

  • 25 ms (400 V AC)

  • 35 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: 40 A
• POWER BOOST (Continuous): 45 A (–25°C to +40°C)
• Selective Fuse Breaking (SFB): 215 A (12 ms)
• Short-Circuit Protection: Yes
• Residual Ripple: < 40 mVpp
• Efficiency: typ. 94% (400 V AC)
• Output Power: 960 W (nominal) / 1080 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 (Screw):

• Rigid: 0.2–6 mm²
• Flexible: 0.2–4 mm²
• AWG: 18–10
• Torque: 0.5–0.6 Nm

Output Terminal (Screw):

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

Signal Terminal (Screw):

• Rigid: 0.2–6 mm²
• Flexible: 0.2–4 mm²
• AWG: 18–10
• Torque: 0.5–0.6 Nm

Mounting Position: Horizontal, DIN rail NS 35
Installation Clearance: 5 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: 5000 m
• Humidity: ≤ 95% RH (non-condensing)
• Shock Resistance: 30 g / 18 ms
• Vibration Resistance: 0.7 g (5–100 Hz, 90 min)
• MTBF (SN 29500):

  • 880,000 h (25°C)

  • 500,000 h (40°C)

  • 216,000 h (60°C)

• Temperature Code: T4

Applications

Ideal For:

• Industrial automation and process control
• PLC and sensor networks
• Machine building and factory power architecture
• Redundant 24 V DC supply infrastructures
• Critical systems requiring fault tolerance and load stability

Key Features & Benefits

✅ High Output Power: Up to 40 A at 24 V DC for demanding applications.

✅ Advanced SFB Technology: Trip standard circuit breakers magnetically in milliseconds.

✅ POWER BOOST Mode: Delivers 45 A continuous for heavy load startup.

✅ Diagnostic Signaling: LED and relay outputs for real-time status monitoring.

✅ Wide Input Range: Operates on both 3-phase AC and DC supply.

✅ Efficient Design: Up to 94% efficiency for energy-saving performance.

📦 Available from Drive Outlet Megastore

The Phoenix Contact QUINT-PS/3AC/24DC/40 is engineered for maximum uptime and load stability in automation environments. With a powerful 40 A output, intelligent diagnostics, and SFB technology, it’s the backbone of any high-availability 24 V DC system.

Need assistance selecting the right PSU for your system? Contact our technical team.

Phoenix power, Drive Outlet reliability — powering industry without compromise.