Dycon EN54-Certified 24V 3A Power Supply Unit (D2433-7)
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Product Details for Dycon EN54-Certified 24V 3A Power Supply Unit (D2433-7)
The Dycon D2433-7 is a 3.0 Ampere switched-mode power supply designed to comply with and is certified to EN54-4 and the Construction Product Regulations (CPR). It offers exceptional flexibility with on-demand load sharing, enabling rapid and large-capacity battery charging.
This power supply is capable of providing extended standby duration at light loads or handling short high-current peak loads while diverting spare capacity to battery charging. Equipped with a constant-operation temperature sensor, the D2431 automatically adjusts the charging rate based on ambient temperature, preventing overcharging of batteries.
These units go beyond simple voltage readings and continuously monitor battery impedance, providing more accurate readings, early warning of potential issues, and ultimately extending battery life.
Remote data transmission
The Dycon D243X range of power supplies have an integral UART output to enable full remote transmission of all operational parameters, fault data and unit performance to a remote engineering centre, computer or smart phone. Please contact us for more information on suitable software solutions compatible with this feature.
Key Features of the D2433-7 |
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> Microprocessor controlled operation and protection
> On-demand battery charging and load output current sharing > Battery impedance monitoring > Automatic output reconnection after short circuit fault > No user-serviceable fuses, outputs protected by electronic E-fuses > Two independent, electronically fused, switched outputs > Three opto-relay fault outputs for AC Power Fail, Battery Fault, PSU Fault > Four status LED’s; I x external and visible, 3 x inside the housing, visible on removing the lid > Over-voltage output protection > Battery-free option can be selected by a jumper. Note : Using this jumper to disable the battery monitoring when a battery is fitted will create an EN54-4 non-compliance. > On-board or remote temperature sensing (jumper selectable) with optional remote sensor > UK-manufactured electronics and steel housings |
| Brand | Dycon Power Solutions |
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| Manufacturer Part No. | D2433-7 |
FAQ’s for Dycon EN54-Certified 24V 3A Power Supply Unit (D2433-7)
Product Specification for Dycon EN54-Certified 24V 3A Power Supply Unit (D2433-7)
| Construction Product Regulation | No. 0359-CPR-00434 |
| Tick Mark Certificate of Compliance to | EN54-4: 1997+A1:2002+A2:2006 No. 17LHK0674-01 (issued by Intertek Group plc) |
| Voltage Input | 230VAC+10% -15%; 50Hz ± 15% |
| Max. AC Input Continuous Current | D2431 - 0.45A; D2433 - 0.9A; D2435 – 1.5A |
| Recommended Fused-Spur Input Fuses | D2431-250V T1A; D2433-250V T3.15A; D2435 250-T3.13A |
| Output Voltage with AC Power | Minimum 26VDC; Maximum 29.5VDC Nominal |
| Output Ripple | < 0.7V Peak-to-Peak at Full Rated Output |
| Maximum Output Current at Full Load | D2341-1.5A; D2343-3A; D2345-5A |
| Battery Charging Voltage; Charging Current | 27.6VDC; On-Demand (Maximum) D2431-1.5A; D2343-3A; D2345-5A |
| Type of Batteries Required | D2431-7 & D2433-7 = 2 x 12VDC 7 or 8AH, sealed lead/acid D2433-17 & D2435-17 = 2 x 12VDC 17Ah, sealed lead/acid |
| Standby Output Voltage | Minimum 19.5VDC; Maximum 27.6VDC |
| PSU Standby Current | 32mA |
| Over-Voltage Cut-Out Threshold | 30Vdc 2% |
| Low-Voltage Power Output Fault | <22VDC ±2%; Low Voltage Restore>23VDC ±2% |
| Battery Deep Discharge Voltage Limit | 21VDC ±2% |
| Output Monitoring Threshold | Battery Charging Voltage <±2% |
| Battery Fuse | 6A PTC non-replaceable |
| Fault Opto-Relays | Normally-Closed (NC), 100mA at 60V; ON-Resistance 16 Ohms maximum; 1500VRMS Isolation Voltage |
| Operating Temperature Range | -10˚C to +40˚C |
| Humidity | 95% non-condensing |
| PCB size (h x w x d) | 168 x 141 x 65mm |
