Product Model

QUINT-BUFFER/24DC/20

In Stock
Last updated: 2025/4/17
Phoenix Contact QUINT-BUFFER/24DC/20

Selling Points

  • 1Maintenance-Free Energy Storage: The QUINT-BUFFER/24DC/20 features a capacitor-based power storage device, ensuring reliable operation without the need for maintenance.
  • 2High Current Capacity: With an output current of 20 A, this buffer module is suitable for demanding industrial applications.
  • 3Surge Protection: Equipped with a suppressor diode, it provides transient surge protection up to 35 V DC, safeguarding your equipment from voltage spikes.
  • 4Efficient Design: The module boasts an efficiency of >95%, minimizing energy loss and maximizing performance.
  • 5Durable Construction: Built with a robust design and rated for ambient temperatures from -25°C to 70°C, it ensures reliable operation in various environments.
Product Details
QUINT-BUFFER/24DC/20
Phoenix Contact

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

ParameterValueParameterValue
Input voltage
24 V DC
Input voltage range
22.5 V DC ... 30 V DC
Input voltage range DC
22.5 V DC ... 30 V DC
Buffer period
0.2 s (20 A) 4 s (1 A)
Current consumption
approx. 0.1 A 0.6 A (charging process) 20.6 A (max.)
Reverse polarity protection
yes
Charging delay
no
Fixed backup threshold
< 22 V DC
Variable connect threshold
(U
Protective circuit
Transient surge protection; Suppressor diode, 35 V DC
Efficiency
> 95 %
Nominal output voltage
24 V DC (depending on the input voltage)
Setting range of the output voltage (U
22 V DC ... 28.5 V DC
Nominal output current (I
20 A
Output current limit
27 A (buffer mode)
Bridging time
200 ms
Feedback voltage resistance
< 35 V DC (buffer mode)
Protection against overvoltage at the output (OVP)
< 35 V DC
Residual ripple
< 100 mV
Output power
480 W
Peak switching voltages nominal load
< 100 mV
Power dissipation
2.5 W (ready at 27 A) 9.8 W (buffer mode at 27 A)
Protective circuit
Transient surge protection; Suppressor diode, 35 V DC
Connection in parallel
yes, for increasing the buffer time and for redundancy
Connection in series
yes
Nominal output voltage
24 V DC
Nominal output current (I
20 A
Nominal output voltage
24 V DC
Nominal output current (I
20 A
Output description
Power Good
Maximum switching voltage
≤ 24 V
Output voltage
+ 24 V
Continuous load current
≤ 20 mA
Charging current
500 mA
Nominal capacity
0.1 Ah
Charging time
< 27 s
Memory medium
internal, capacity
IQ technology
no
Connection method
Screw connection
Conductor cross section, rigid min.
0.5 mm²
Conductor cross section, rigid max.
16 mm²
Conductor cross section flexible min.
0.5 mm²
Conductor cross section flexible max.
10 mm²
Conductor cross section AWG min.
20
Conductor cross section AWG max.
6
Stripping length
10 mm
Screw thread
M4
Tightening torque, min
1.2 Nm
Tightening torque max
1.5 Nm
Connection method
Screw connection
Conductor cross section, rigid min.
0.5 mm²
Conductor cross section, rigid max.
16 mm²
Conductor cross section flexible min.
0.5 mm²
Conductor cross section flexible max.
10 mm²
Conductor cross section AWG min.
20
Conductor cross section AWG max.
6
Stripping length
10 mm
Screw thread
M4
Tightening torque, min
1.2 Nm
Tightening torque max
1.5 Nm
Conductor cross section, rigid min.
0.2 mm²
Conductor cross section, rigid max.
2.5 mm²
Conductor cross section flexible min.
0.2 mm²
Conductor cross section flexible max.
2.5 mm²
Conductor cross section AWG min.
24
Conductor cross section AWG max.
12
Screw thread
M3
Tightening torque, min
0.5 Nm
Tightening torque max
0.6 Nm
Types of signaling
LED Active switching output
Operating voltage display
Green LED
Status display
LED "Power Good", green
Note on status display
Buffer module is loaded: LED ON
Insulation voltage input/output
1 kV (routine test) 1 kV (type test)
Product type
Buffer module
IQ technology
no
MTBF (IEC 61709, SN 29500)
> 500000 h
Article revision
05
Protection class
III
Degree of pollution
2
Width
64 mm
Height
130 mm
Depth
125 mm
Installation distance right/left
5 mm / 5 mm
Installation distance top/bottom
50 mm / 50 mm
Width
122 mm
Height
130 mm
Depth
67 mm
Mounting type
DIN rail mounting
Assembly note
alignable: horizontally 0 mm, vertically 50 mm
Mounting position
horizontal DIN rail NS 35, EN 60715
Housing material
Metal
Type of housing
AluNox (AlMg1)
Degree of protection
IP20
Ambient temperature (operation)
-25 °C ... 70 °C
Ambient temperature (storage/transport)
-40 °C ... 85 °C
Maximum altitude
≤ 2000 m
Climatic class
3K3 (in acc. with EN 60721)
Max. permissible relative humidity (operation)
≤ 95 % (at 25 °C, non-condensing)
Shock
18 ms, 30g, in each space direction (according to IEC 60068-2-27)
Vibration (operation)
< 15 Hz, amplitude ±2.5 mm (according to IEC 60068-2-6) 15 Hz ... 150 Hz, 2.3g, 90 min.
Standard – Electronic equipment for use in electrical power installations and their assembly into electrical power installations
EN 50178/VDE 0160 (PELV)
Standard - Electrical safety
EN 60950-1/VDE 0805 (SELV)
Standard – Safety extra-low voltage
EN 60950-1 (SELV) and EN 60204 (PELV)
Standard - Safe isolation
DIN VDE 0106-101
Standard - Safety of transformers
EN 61558-2-17
Shipbuilding approval
DNV GL (EMC A), ABS
UL approvals
UL/C-UL listed UL 508 UL/C-UL Recognized UL 60950-1 UL/C-UL Listed UL 1604 Class I, Division 2, Groups A, B, C, D
Electromagnetic compatibility
Conformance with EMC Directive 2014/30/EU
Low Voltage Directive
Conformance with Low Voltage Directive 2014/35/EC
Noise immunity
EN 61000-6-2:2005
Noise emission
EN 55011 (EN 55022)
Standards/regulations
EN 61000-4-2
Housing
Level 4
Contact discharge
8 kV
Discharge in air
15 kV
Comments
Criterion B
Standards/regulations
EN 61000-4-3
Frequency range
80 MHz ... 1 GHz
Test field strength
10 V/m
Comments
Criterion A
Standards/regulations
EN 61000-4-4
Input
2 kV (level 3 - asymmetrical: conductor to ground)
Output
2 kV (level 3 - asymmetrical: conductor to ground)
Signal
1 kV (level 2 - asymmetrical: conductor to ground)
Comments
Criterion B
Standards/regulations
EN 61000-4-5
Input/Output
0.5 kV (level 1 - asymmetrical: conductor to ground)
Input/Output/Signal
0.5 kV (level 1 - symmetrical: conductor to conductor)
Standards/regulations
EN 61000-4-6
I/O/S
Level 3
Frequency range
0.15 MHz ... 80 MHz
Comments
Criterion A
Voltage
10 V
Standards/regulations
EN 61000-4-11
Standards/regulations
EN 61000-6-3
Radio interference voltage in acc. with EN 55011
EN 55011 (EN 55022) Class B, area of application: Industry and residential
Emitted radio interference in acc. with EN 55011
EN 55011 (EN 55022) Class B, area of application: Industry and residential

Specifications may be subject to change without notice