WSER‑3 POWER SUPPLY 1‑PHASE
IN: 90 ... 264 VAC OUT: 24V/20ADC
Art.No.:
Weight: 0.900 kg Country of origin: CN
Model designation: WSER‑3 20‑100‑240/24
INPUT: 100...240 V AC
OUTPUT: 23...28 V DC
Current: 20 A
Mains failure bridging min.
min. 20 ms (115 V AC); min. 20 ms (230 V AC)
| Electrical data | |
| Parallel connection | No |
| Series connection | Yes |
| Number of devices series connection max. | 2 |
| Electrical data | Supply | |
| Power frequency | 50 ... 60 Hz |
| Electrical data | Input | |
| Nominal input voltage AC | 100 V … 240 V (90‑100V derating) (Refer to "Static Characteristics") |
| Input voltage AC min. | 100 V |
| Input voltage AC max. | 240 V |
| Nominal current AC | 6 A @ 100 V, 3 A @ 240 V |
| Inrush current max. | 40 A @ 230 V |
| Input DC Voltage range | 110‑250VDC |
| Power Factor | about 0.99@115VAC, 0.95@230VAC |
| Efficiency | 94.5 % @ 230 V AC (Type) |
| Characteristic back‑up fuse | Inertia |
| Fuse protection primary side internal | 10 A |
| Electrical data | Output | |
| Output voltage adjustable | Yes |
| Output voltage DC | 24 V |
| Output voltage DC min. | 23 V |
| Output voltage DC max. | 28 V |
| Output current | 20 A |
| Spikes (s‑s) max. | 150 mV |
| Ripple effective max. | 100 mV |
| Device protection | Electrical | |
| Degree of protection (EN IEC 60529) | IP20 |
| Overload protection output | Yes |
| Short‑circuit protection output | Yes |
| Mechanical data | Mounting data | |
| Height | 125 mm |
| Width | 52 mm |
| Depth | 125 mm |
| Mounting method | geschnappt |
| Suitable for mounting type | Mounting rail TH35, (EN 60715) |
| Environmental characteristics | Electromagnetic compatibility | |
| Interference emission | IEC 61000‑3‑2 |
| Environmental characteristics | Climatic | |
| Operating temperature min. | ‑25 °C |
| Operating temperature max. | 70 °C |
| Derating | 50 °C (Refer to "Derating Curve") |
| Ambient temperature (storage, transport) | ‑25 °C … 85 °C |
| Relative humidity (operation) | 20 % … 90 % |
| Additional condition relative humidity | no condensation |
| MTBF (MIL‑HDBK‑217F) | 200000hr+ |
| Conformity | |
| Product standard | EN IEC 61010‑2‑201, UL508 |
Connection type 2
| Family construction form | terminal |
| No. of poles | 3 |
| Gender | female |
| Color contact carrier | green |
| Connection | Spring clamp terminals FK |
| PIN 1 | L |
| PIN 2 | N |
| PIN 3 | PE |
| Family construction form | terminal |
| No. of poles | 4 |
| Gender | female |
| Color contact carrier | green |
| Connection | Spring clamp terminals FK |
| PIN 1 | + |
| PIN 2 | + |
| PIN 3 | ‑ |
| PIN 4 | ‑ |
EMC
| EMC EMISSION | Parameter | Standard | Test Level / Note |
|---|---|---|---|
| Conducted | BS EN/EN55032 (CISPR32) | Class B | |
| Radiated | BS EN/EN55032 (CISPR32) | Class B | |
| Harmonic Current | BS EN/EN61000‑3‑2 | Class A | |
| EMC IMMUNITY | Parameter | Standard | Test Level / Note |
| ESD | EN61000‑4‑2 | Level 3, 8KV air ; Level 2, 4KV contact; criteria A | |
| Radiated | EN61000‑4‑3 | Level 3, 10V/m ; criteria A | |
| EFT / Burst | EN61000‑4‑4 | Level 3, 2KV ; criteria A | |
| Surge | EN61000‑4‑5 | Level 3, 1KV/Line‑Line ;Level 3, 2KV/Line‑Line‑Chassis ;criteria A | |
| Conducted | EN61000‑4‑6 | Level 3, 10V ; criteria A | |
| Magnetic Field | EN61000‑4‑28 | Level 4, 30A/m ; criteria A |
Derating Curve:

Static Characteristics:



