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| Categories | Telecom Power System |
|---|---|
| Brand Name: | ESTEL |
| Certification: | ISO9001, CE, 3C, FCC |
| Place of Origin: | Shenzhen, China (Mainland) |
| MOQ: | 1 |
| Price: | 987-2327 usd |
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union |
| Supply Ability: | 2,500 sets per month |
| Delivery Time: | 25-30 working days |
| Packaging Details: | wooden case/carton |
| Rectifier Type: | Hybrid Rectifier |
| AC Input: | 220VAC single-phase |
| DC Input: | 120VDC to 425VDC |
| Output capacity(max): | 24kw(8*3000w, N+1 redundancy) |
| Rectifier module: | 3000w, 4 pcs |
| PV module: | 3000w, 4 pcs |
| Signal: | AI DI DO |
| Communication: | RS485/SNMP |
| Company Info. |
| ESTEL (GUANGDONG) TECHNOLOGY CO., LTD. |
| Verified Supplier |
| View Contact Details |
| Product List |
ET300 Telecom Grade Solar Hybrid Rectifier Power Distribution Unit with AI DI DO
Product Overview of Hybrid Rectifier Power Distribution Unit
The ET48300 Hybrid Rectifier Power Distribution Unit is a 19-inch sub-rack for hybrid power system produced by ESTEL, with 9U height compact design for critical applications of fiber and microwave transmission, access devices, switches, etc. The system maximum power is 300A, with circuit breakers for AC input, PV input, batteries and loads. The cables are front accessing with circuit breakers and connection terminals.
Built for continuous operation, the rectifier can accommodate up to 8 hot-swappable 3000W modules (4 powered by PV and 4 by AC), supporting N+1 or higher redundancy configurations. Each module features forced-air cooling, and is with active Power Factor Correction (PFC ≥ 0.99), and low Total Harmonic Distortion (THDi ≤ 5%), ensuring a clean grid interaction and stable output. All components are installed in a 8U, 19-inch rack-mountable chassis rated IP20. Front-access hot-swap capability simplifies maintenance, while rear-mounted copper busbars provide a low-impedance, high-current connection path.
The integrated DC distribution includes low-voltage load disconnect (LLVD) and battery low-voltage disconnect (BLVD), enabling prioritized load shedding to preserve critical battery reserves during outages. An advanced system controller offers comprehensive monitoring and programmable logic via analog inputs (AI), digital inputs (DI), and digital outputs (DO). Remote management is supported through RS485 and SNMP interfaces, giving operators full visibility into alarms, performance metrics, and rectifier status. A front-panel LCD also allows convenient on-site configuration and diagnostics.
Basic Specification of Hybrid Rectifier Power Distribution Unit
| Dimension | 482.5mm(W)*350mm(D)*8U(H) |
| Weight | ≤30kg (without rectifiers) |
| Cooling | Natural cooling |
| Installation | 19-inch rack mounted |
| Maintenance | Front maintenance, module grade change supported |
| IP grade | IP20 |
Power Distribution of Hybrid Rectifier Power Distribution Unit
AC Distribution | Input volatage | single-phase 220VAC |
| Input breaker | 1*125A 2P circuit breaker | |
| Input frequency | 45~65Hz, rated value: 50Hz/60Hz | |
| SPD | 20/40KA, 8/20us class C | |
DC Distribution | Input voltage | 120VDC to 425VDC |
| Input breaker | 4*25A 2P circuit breaker | |
| SPD | 20/40KA, 8/20us, class C | |
| Output voltage | -43~-58VDC, rated value: -53.5VDC | |
Output capacity | 24kw(8*3000w, N+1 redundancy) PV module: 4*3000w Rectifier moudle: 4*3000w | |
| Battery breaker | 2*125A 1P circuit breaker | |
| Load breaker | BLVD: 1*63A/1P+3*20A/1P+6*10A/1P |
Rectifier Module of Hybrid Rectifier Power Distribution Unit
| Input voltage | 85VAC～300VAC, rated 220VAC |
| Efficiency | >96% |
| Rated power | 3000W(176~300VAC) |
| Working temperature | -40℃~+75℃(50℃ @ fully output) |
| Dimension | 106.5mm(W)×286mm(D)×44.5mm(H)(1U height) |
| Weight | ≤2kg |
| Cooling mode | Forced cooling |
| Power factor | ≥0.99 |
| THD | ≤5% |
| DC output | –43 ~ –58VDC, rated –53.5VDC, 55A maximum |
PV Module of Hybrid Rectifier Power Distribution Unit
| Input voltage | 120 to 425VDC.rated 340VDC |
| Efficiency | >96% |
| Rated power | 3000W((200 to 425VDC) |
| Working temperature | -40℃~+75℃(50℃ @ fully output) |
| Dimension | 106.5mm(W)×286mm(D)×44.5mm(H)(1U height) |
| Weight | ≤2kg |
| Cooling mode | Forced cooling |
| Power factor | ≥0.99 |
| THD | ≤5% |
| DC output | –43 ~ –58VDC, rated –53.5VDC, 55A maximum |
Controller of Hybrid Rectifier Power Distribution Unit
| Controller | Model: MC2900 |
| Signal input | 3 AI(ambient temperature), 8 DI |
| Alarm output | 8 DO |
| Communication | RS485/SNMP |
| Display mode | LCD screen |
Environment of Hybrid Rectifier Power Distribution Unit
| Operating temperature | -40℃ ~ +65℃ (full output below 50℃) |
| Storage temperature | -40℃~+70℃ |
| Operating humidity | 5%~95%(non-condensing) |
Altitude | 0~3000m(If the altitude is within the range of 2000m to 3000m, the maximum operating temperature decreases by 1℃ as the altitude increases by 200m.) |
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