Phoenix Contact 2904605 QUINT4-PS/1AC/12DC/2.5/PT – 12 V DC, 2.5 A Power Supply
The Phoenix Contact 2904605 (QUINT4-PS/1AC/12DC/2.5/PT) is a compact DIN rail power supply from the fourth-generation QUINT POWER range. It is a single-phase, primary-switched unit that delivers 12 V DC at 2.5 A (30 W) in a housing only 22.5 mm wide, with tool-free push-in connection technology.
It has two boost modes:
- Static boost: 3.125 A, continuous.
- Dynamic boost: 4.5 A for 5 s, so it can start heavy loads reliably.
It also offers preventive function monitoring, a configurable signal output and an output you can adjust from 12 to 15 V DC. This makes it a high-availability 12 V supply for compact control cabinets.
What the Part Number Means
- 2904605 – Phoenix Contact order number
- QUINT4 – QUINT POWER, fourth generation
- PS – Power supply
- 1AC – Single-phase AC input (DC input also possible)
- 12DC – 12 V DC output
- 2.5 – 2.5 A nominal output current
- PT – Push-in connection technology
Key Features
- Dynamic boost: 4.5 A for 5 s (54 W) to start heavy loads
- Static boost: 3.125 A continuous (38 W, up to 40 °C)
- Push-in connection: tool-free wiring of rigid conductors and conductors with ferrules
- Ultra-slim design: only 22.5 mm wide
- Very long mains buffering: typ. 54 ms at 120 V AC and 230 V AC
- Preventive function monitoring: configurable signal output, and a power threshold set by rotary selector switch
- AC or DC input: 100–240 V AC or 110–250 V DC
- NEC Class 2: UL 1310 approval
Key Specifications (Phoenix Contact 2904605 Datasheet)
Input
- AC input: 100–240 V AC (-15% / +10%), 50–60 Hz; 16.7 Hz to EN 50163
- DC input: 110–250 V DC (-20% / +40%)
- Current consumption:
- AC: 0.44 A at 100 V AC / 0.19 A at 230 V AC
- DC: 0.4 A at 110 V DC / 0.17 A at 250 V DC
- Nominal power consumption: 32.8 VA
- Inrush current: typ. 11.3 A (I²t < 0.1 A²s)
- Mains buffering: typ. 54 ms at 120 V AC and 230 V AC
- Input fuse: 3.15 A slow-blow, internal
- Recommended breaker: 6–16 A (characteristic B, C or comparable)
Output
- Nominal output voltage: 12 V DC
- Setting range: 12–15 V DC (constant capacity)
- Nominal output current: 2.5 A (30 W)
- Static boost: 3.125 A (38 W, ≤ 40 °C)
- Dynamic boost: 4.5 A for 5 s (54 W, ≤ 60 °C)
- Efficiency: typ. 90.9% at 230 V AC / typ. 89.5% at 120 V AC
- Residual ripple: < 30 mVpp
- Overvoltage protection: ≤ 18 V DC
- Control deviation: < 0.2% static / < 2% dynamic
- No-load power dissipation: < 0.4 W at 230 V AC / < 0.5 W at 120 V AC
- Power loss at nominal load: < 3 W at 230 V AC / < 3.5 W at 120 V AC
- Protection: short-circuit proof and no-load proof
- Parallel connection: possible, for redundancy and higher capacity
- Series connection: possible
Signalling
- Configurable digital signal output: 12 V DC, 24 mA. By default it is active when the output voltage is above 0.9 × USet.
- Green LED: lights when the output voltage is above 0.9 × USet, flashes when it is below.
- Yellow LED: lights when output power is above the threshold set on the rotary selector.
General Data
- Connection: push-in, 0.2–2.5 mm² (AWG 24–14), stripping length 10 mm
- Mounting: DIN rail
- Clearances: 30 mm top and bottom; left and right from 0 mm up to 15 mm, depending on load
- Housing: UL 94 V0, IP20, protection class II
- MTBF (IEC 61709, SN 29500): > 1,848,000 h at 25 °C / > 1,060,000 h at 40 °C
- Ambient temperature (operation): -25 °C to +70 °C, derating 2.5%/K above +60 °C
- Storage temperature: -40 °C to +85 °C
- Altitude: up to 5000 m (derating above 2000 m)
- Dimensions (W × H × D): 22.5 × 106 × 90 mm
- Weight: approx. 238 g
Approvals and Standards
- North America:
- UL/cUL Listed (UL 61010-1, UL 61010-2-201)
- UL 1310 Class 2 Power Units
- UL 121201 and CSA C22.2 No. 213: Class I, Division 2, Groups A–D, T4 (hazardous locations)
- Marine and international: DNV, IECEE CB Scheme, EAC
- Electrical safety: IEC 61010-1 (SELV), IEC 61010-2-201 (PELV), IEC 61558-2-16
- Railway: EN 50121-3-2/-4/-5
- EMC: IEC 61850-3
Typical Applications
- 12 V DC supply for sensors, displays, communication devices and small controllers
- Relays, small valves and signal circuits with high inrush currents
- Compact control boxes and distribution boards
- Railway, energy and marine applications
- Redundant 12 V systems with preventive monitoring
Buy the Phoenix Contact 2904605 from Atlantech Drives
Atlantech Drives supplies the Phoenix Contact 2904605 QUINT4-PS/1AC/12DC/2.5/PT with fast worldwide shipping and a 12-month warranty. Our experienced sales team can also quote other QUINT4, TRIO and UNO power supplies, as well as QUINT4 UPS and redundancy modules. Request a quote today for price and availability.
More Phoenix Contact Products
- 2907074 Phoenix Contact QUINT4-UPS/24DC/20A
- 2907069 Phoenix Contact QUINT4-UPS/24DC
- 2905629 Phoenix Contact MINI MCR-2-RPSS-I-2I-PT
- All Phoenix Contact products
Manufacturer website: Phoenix Contact
