Wago
787-1640
1 / 2
- Part Number
- 787-1640
- Tariff Code
- 85044082900
- UPC
- 4055143259163
- ETIM
- Group Code : EG000017
- Group Description : Low-voltage Industrial Components
- Class Description : DC-power supply
- Class Code : EC002540
- Version : 7
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Safety And Protection
- Isolation voltage (pri.-sec.)
- DC 4.242 kV
- Isolation voltage (pri.-PE)
- DC 2.2 kV
- Isolation voltage (sec.-PE)
- DC 0.7 kV
- Protection class
- I
- Protection type
- IP20; per EN 60529
- Resistance to reverse feed
- ≤ DC 35 V
- Overvoltage category
- II
- Pollution degree
- 2
- Transient suppression (primary)
- Varistor
- Overvoltage protection; secondary
- Internal protective circuit || ≤ 41 VDC (in the event of a fault)
- Short-circuit-protected
- Yes
- Open-circuit-proof
- Yes
- Parallel operation
- Yes
- Series operation
- Yes
- MTBF
- > 500,000 h (per IEC 61709)
Environmental Requirements
- Ambient temperature (operation)
- -25 … +70 °C (Device starts at −40 °C (type-tested))
- Ambient temperature (storage)
- -25 … +85 °C
- Relative humidity
- 5 … 96 % (no condensation permissible)
- Derating
- -2.5 %/K (> 55 °C)
Connection Data
- Connection type 1
- Input/output/signaling
- Connection technology
- CAGE CLAMP®
- WAGO connector
- WAGO 721 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
Signaling And Communication
- Signaling
- 1 x LED DC OK (green) || 1 x DC OK contact (make contact; max. 30 VAC/DC; 1 A)
- Operation status indicator
- Green LED (Uo)
Physical Data
- Width
- 55 mm / 2.165 inches
- Height
- 127 mm / 5 inches
- Depth from upper-edge of DIN-rail
- 171 mm / 6.732 inches
Material Data
- Fire load
- 0.417 MJ
- Weight
- 1000.000 g
Input
- Phases
- 2 / 3
- Nominal input voltage Ui nom
- (2 / 3) x AC 400 … 500 V
- Input voltage range
- (2 / 3) x AC 320 … 575 V; DC 450 … 800 V
- Nominal mains frequency range
- 47 … 63 Hz; 0 Hz
- Input current Ii
- ≤ 3 x 0.73 A (400 VAC); ≤ 3 x 0.66 A (500 VAC)
- Discharge current
- ≤ 1 mA
- Inrush current
- ≤ 30 A (NTC)
- Power factor correction (PFC)
- Passive
- Mains failure hold-up time
- ≥ 50 ms (500 VAC); ≥ 21 ms (400 VAC)
Output
- Nominal output voltage Uo nom
- DC 24 V (SELV)
- Output voltage range
- DC 23 … 28.5 V (adjustable)
- Default setting
- DC 24 V
- Nominal output current Io nom
- 10 A (24 VDC)
- Nominal output power
- 240 W
- Deviation
- ≤ 1 %
- Residual ripple
- ≤ 50 mV (peak-to-peak)
- Current limitation
- 1.1 x Io nom (typ.)
- Overload behavior
- Constant current
Standards And Specifications
- Conformity marking
- CE
- Standards/specifications
- EN 61010-1 || EN 61010-2-201 || EN 61204-3 || UL 60950-1 || UL 508 || DNV || SEMI F47
Mechanical Data
- Mounting type
- DIN-35 rail
Specifications
- Product Group Code
- 0006
Commercial Data
- Packaging type
- Box
- Country of origin
- DE
- GTIN
- 4055143259163
- Customs tariff number
- 85044083900
Efficiency/Power Losses
- Power loss Pl
- ≤ 2.1 W; ≤ 27.9 W (400 VAC; nominal load)
- Power loss (max.) Pl (max.)
- 28.3 W (500 VAC / 24 VDC; 10 A)
- Efficiency (typ.)
- 90 %
<B>Circuit Protection</B>
- Internal fuse
- No
- Backup fusing (required)
- 3 x Circuit breaker: 6 A, 10 A, 16 A; Tripping characteristic: B or C, 20 A (max.) || Alternative: motor circuit breaker || An external DC fuse is required for the DC input voltage.
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