Wago
787-1668/000-250
1 / 1
- Part Number
- 787-1668/000-250
- Tariff Code
- 85363010900
- UPC
- 4055143329620
- ETIM
- Group Code : EG000019
- Group Description : Relays
- Class Description : Current monitoring relay
- Class Code : EC001440
- Version : 7
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Safety And Protection
- Isolation voltage (connectors – housing)
- DC 0.5 kV
- Protection class
- III
- Protection type
- IP20; per EN 60529
- Reverse voltage protection
- No
- Resistance to reverse feed
- ≤ DC 58 V
- Pollution degree
- 2
- Transient suppression (primary)
- Suppressor diode (68 V)
- Parallel operation of single channels
- Not permitted
- Series operation
- No
- MTBF
- > 500,000 h (per IEC 61709)
Environmental Requirements
- Ambient temperature (operation)
- -25 … +70 °C
- Ambient temperature (storage)
- -25 … +85 °C
- Relative humidity
- 5 … 96 % (no condensation permissible)
- Derating
- ≥ 50 °C (see instruction manual)
Connection Data
- Connection type 1
- Input (+)
- 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 type 2
- Input (–); output; signaling
- Connection technology 2
- CAGE CLAMP®
- WAGO connector 2
- WAGO 721 Series
- Solid conductor 2
- 0.08 … 2.5 mm² / 28 … 12 AWG
- Fine-stranded conductor 2
- 0.08 … 2.5 mm² / 28 … 12 AWG
- Strip length 2
- 8 … 9 mm / 0.31 … 0.35 inches
Signaling And Communication
- Signaling
- 8 x LED (green/red/orange) || 1 x Remote control input (S1) || 1 x Group signal contact (13; 14)
- Operation status indicator
- Green LED (channel OK) || Red LED (tripped channel)
- Remote input
- Reactivation of all tripped channels via 15 … 58 VDC pulse for min. 500 ms
Physical Data
- Width
- 42 mm / 1.654 inches
- Height
- 127 mm / 5 inches
- Depth from upper-edge of DIN-rail
- 142.5 mm / 5.61 inches
Material Data
- Fire load
- 0.850 MJ
- Weight
- 440.000 g
Input
- Nominal input voltage Ui nom
- DC 48 V
- Input voltage range
- DC 32 … 58 V
Output
- Total number of channels (module)
- 8
- Nominal output voltage Uo nom
- 8 x DC 48 V
- Output voltage range
- DC 32 … 58 V (Ue − voltage drop)
- Voltage drop
- ≤ 200 mV (10 A) (Input (+))
- Nominal output current Io nom
- 8 x 2 / 3 / 4 / 6 / 8 / 10 A (adjustable for each channel via selector switch; 70 A (max.) in total)
- Default setting
- DC 10 A; switched on
- Switch-on capacity
- > 23000 µF per channel at 48 VDC, 2.5 mm² cable cross section and 2.5 m cable length
- Switch-on behavior
- Time-delayed channel switching (load-dependent, min. 50 ms / max. 5 s)
- Active current limitation
- No
Standards And Specifications
- Conformity marking
- CE
- Standards/specifications
- EN 61000-6-2 || EN 61000-6-3 || UL 508 || UL 2367 || DNV
Mechanical Data
- Mounting type
- DIN-35 rail
Specifications
- Product Group Code
- 0006
Commercial Data
- Packaging type
- Box
- Country of origin
- DE
- GTIN
- 4055143329620
- Customs tariff number
- 85363010900
Efficiency/Power Losses
- Power loss Pl
- ≤ 1.3 W; ≤ 20 W (8 x 10 A)
- Efficiency (typ.)
- 99 %
<B>Circuit Protection</B>
- Internal fuse
- T 15 A per channel
