Product Model
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.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
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