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Wago 787-885
Features:Redundancy module with two inputs decouples two power suppliesFor redundant and fail-safe power supplyWith LED and potential-free contact for input voltage monitoring on site and remotely
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Description
Features:Redundancy module with two inputs decouples two power suppliesFor redundant and fail-safe power supplyWith LED and potential-free contact for input voltage monitoring on site and remotely
Specification
Technical data - Input
| Nominal input voltage U<sub>i nom</sub> | 2 x 24 VDC, 2 x DC 24 V |
|---|---|
| Input voltage range | 2 x 18 … 30 VDC |
| Nominal mains frequency range | 0 Hz |
| Input current I<sub>i</sub> | ≤ 20 A (per path); ≤ 40 A (in total) |
Technical data - Output
| Nominal output voltage U<sub>o nom</sub> | 24 VDC |
|---|---|
| Output voltage range | 18 … 30 VDC (Ue − voltage drop) |
| Voltage drop | ≤ 0.6 V (Input/output) |
| Nominal output current I<sub>o nom</sub> | 20 A (redundancy operation); 40 A (parallel operation) |
| Nominal output power | 960 W |
Technical data - Signaling and communication
| Signaling | 1 x LED OUT (green), 1 x IN1 LED (yellow), 1 x IN2 LED (yellow), 1 x Isolated relay contact (max. 30 VDC; 1 A) |
|---|---|
| Operation status indicator | 2 x yellow LED (i), Green LED (Uo), 2 x Yellow LED (Ui) |
Technical data - Efficiency/power losses
| Power loss P<sub>l</sub> | ≤ 1.5 W; ≤ 14 W (24 VDC; 20 A); ≤ 26 W (48 VDC; 40 A) |
|---|---|
| Efficiency (typ.) | 97 % |
Technical data - Circuit protection
| Internal fuse | No |
|---|
Safety and protection
| Isolation voltage (connectors – housing) | 0.5 kVDC |
|---|---|
| Protection class | III |
| Protection type | IP20; per EN 60529 |
| Reverse voltage protection | Yes |
| Resistance to reverse feed | ≤ 33 VDC |
| Pollution degree | 2 |
| Parallel operation | Yes |
| Series operation | Yes |
| MTBF | > 500,000 h (per IEC 61709) |
Connection data - Connection 1
| Connection type | Input/output |
|---|---|
| Connection technology | Push-in CAGE CLAMP® |
| WAGO connector | WAGO 831 Series |
| Solid conductor | 0.5 … 10 mm² / 20 … 8 AWG |
| Fine-stranded conductor | 0.5 … 10 mm² / 20 … 8 AWG |
| Strip length | 13 … 15 mm / 0.51 … 0.59 inches |
Connection data - Connection 2
| Connection type | Relay |
|---|---|
| Connection technology | CAGE CLAMP® |
| WAGO connector | WAGO 231 Series |
| Solid conductor | 0.08 … 2.5 mm² / 28 … 12 AWG |
| Fine-stranded conductor | 0.08 … 2.5 mm² / 28 … 12 AWG |
| Strip length | 8 … 9 mm / 0.31 … 0.35 inches |
Physical data
| Width | 40 mm / 1.575 inches |
|---|---|
| Height | 181 mm / 7.126 inches |
| Depth from upper-edge of DIN-rail | 163 mm / 6.417 inches |
| Note (dimensions) | Height with connector |
Mechanical data
| Mounting type | DIN-35 rail |
|---|
Material data
| Weight | 972 g |
|---|
Environmental requirements
| Ambient temperature (operation) | -10 … +60 °C |
|---|---|
| Ambient temperature (storage) | -25 … +85 °C |
| Relative humidity | 5 … 96 % (no condensation permissible) |
Standards and specifications
| Conformity marking | CE |
|---|---|
| Standards/specifications | EN 60950, UL 60950, UL 508, EN 61000-6-2, EN 61000-6-3 |
Commercial data
| Product Group | 6 (INTERFACE ELECTRONIC) |
|---|---|
| PU (SPU) | 1 pcs |
| Packaging type | Box |
| Country of origin | DE |
| GTIN | 4045454909802 |
| Customs tariff number | 85044095900 |
Product Classification
| UNSPSC | 39121004 |
|---|---|
| eCl@ss 10.0 | 27-04-07-01 |
| eCl@ss 9.0 | 27-04-07-01 |
| ETIM 9.0 | EC002540 |
| ETIM 10.0 | EC002540 |
| ECCN | NO US CLASSIFICATION |
Environmental Product Compliance
| RoHS Compliance Status | Compliant,No Exemption |
|---|
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