Wago - 787-881

Capacitive buffer module - WAGO (787 series) - 24Vdc / 20A output - Input voltage 20-30Vdc - with CAGE CLAMP spring connections - DIN-35 rail mounting (57mm width) - IP20 - rated for -10°C...+50°C ambient - equivalent to 787881

Specifications

• Primary brand: WAGO
• Functions: Capacitive buffer module|Parallel operation possible
• Supply voltage (DC): 20-30Vdc
• Rated current: 20A
• Output voltage (DC): 24Vdc
• Connection type: CAGE CLAMP spring connections
• Mounting mode: DIN-35 rail
• Dimensions: H181mm x W57mm x D179mm
• Net Width (mm): 57mm
• Ambient air temperature for operation: -10°C...+50°C
• Ambient air temperature for storage: -10°C...+60°C
• Humidity: 5-96% relative humidity (RH; non-condensing)
• Customs Tariff Number: 85049017000
• GTIN code: 4045454909826
• ETIM code: EC002540
• eClass code: 27-04-07-01
• Order code / Manufacturer SKU: 787-881
• Manufacturer product status: Commercialized
• Equivalent to: 787881
• EAN code: 4045454909826
• Compliant with standard(s): Safety and protection|- Isolation voltage (connectors - housing) -- 0.5kVDC|CE|EN 60950|EN 61000-6-2|EN 61000-6-3|UL 508|General approvals|- EAC - GZO Almaty Standart - TP TC 020/2011 - certificate EAC CoC 03081|- UL - Underwriters Laboratories Inc. - UL 508 - certificate E255817|Declarations of conformity and manufacturer's declarations|- EU-Declaration of Conformity - WAGO GmbH & Co. KG|RoHS compliant
• Location of origin: Germany
• Degree of pollution: 2
• MTBF (Mean Time Between Failures): 87 600h
• Level 1 category: Automation components
• Level 2 category: Power supply units
• Level 3 category: Buffer units for power supply circuits
• Product title: Capacitive buffer module - WAGO

Commercial data

• Country of origin: DE
• Customs tariff number: 85049017000
• ECCN: NO US CLASSIFICATION
• eCl@ss 10.0: 27-04-07-01
• eCl@ss 9.0: 27-04-07-01
• ETIM 8.0: EC002540
• ETIM 9.0: EC002540
• GTIN: 4045454909826
• Packaging type: box
• Product Group: 6 (INTERFACE ELECTRONIC)
• PU (SPU): 1 pcs

Connection data

• Connection technology: CAGE CLAMP^®|CAGE CLAMP^®
• Connection type: Relay
• Connection type 1: Input/Output
• Fine-stranded conductor: 0.5 … 10 mm² / 20 … 8 AWG|0.08 … 2.5 mm² / 28 … 12 AWG
• Solid conductor: 0.5 … 10 mm² / 20 … 8 AWG|0.08 … 2.5 mm² / 28 … 12 AWG
• Strip length: 13 … 15 mm / 0.51 … 0.59 inches|8 … 9 mm / 0.31 … 0.35 inches
• WAGO connector: WAGO 231 Series
• WAGO connector 2: WAGO 231 Series

Environmental Product Compliance

• RoHS Compliance Status: Compliant,No Exemption

Environmental requirements

• Ambient temperature (operation): -10 … +50 °C
• Ambient temperature (storage): -10 … +60 °C
• Relative humidity: 5 … 96 % (no condensation permissible)

Material data

• Fire load: 0.432MJ
• Weight: 1000g

Mechanical data

• Mounting type: DIN-35 rail

Physical data

• Depth from upper-edge of DIN-rail: 179 mm / 7.047 inches
• Height: 181 mm / 7.126 inches
• Note (dimensions): Height with connector
• Width: 57 mm / 2.244 inches

Safety and protection

• Isolation voltage (connectors – housing): 0.5 kVDC
• MTBF: typ. 87,600 h (at 25 °C); typ. 30,500 h (at 40 °C)
• Parallel operation: Yes
• Pollution degree: 2
• Protection class: III
• Protection type: IP20; per EN 60529
• Resistance to reverse feed: ≤ 35 VDC
• Reverse voltage protection: yes
• Series operation: No

Standards and specifications

• Conformity marking: CE
• Standards/specifications: EN 60950|UL 508|EN 61000-6-2|EN 61000-6-3

Technical data

• Efficiency/power losses - Power loss P_l: ≤ 1.5 W; ≤ 15 W (nominal load)
• Energy storage systems - Buffer time: 0.17 … 16.5 s depends on load current and switch-on threshold
• Energy storage systems - Charging time (typ.): 5min
• Energy storage systems - Storage type: Supercaps
• Energy storage systems - Switch-on threshold (adjustable): DC 20 … 24 V
• Input - Input current I_i: ≤ 0.06 A (No load); ≤ 1 A (Charging); ≤ 22 A
• Input - Input voltage range: 20 … 30 VDC
• Input - Nominal input voltage U_{i nom}: 24 VDC
• Input - Nominal mains frequency range: 0 Hz
• Output - Current limitation: 1.1 x I_{o nom} (typ.)
• Output - Nominal output current I_{o nom}: 20 A
• Output - Nominal output voltage U_{o nom}: 24 VDC
• Output - Output voltage range: U_i – 1 VDC (rated operation); 20.4 … 24 VDC (buffer mode)
• Signaling and communication - Operation status indicator: Green LED (U_o > 20 V)|Yellow LED (charging)|Red LED (U_o < 20 V)
• Signaling and communication - Signaling: 1 x LED DC OK (green)|1 x Charge LED (yellow)|1 x DC not OK LED (red)|1 x Isolated relay contact (max. 30 VDC; 1 A)