Product details
Beckhoff EL2808 | 8-Channel Digital Output
24 V DC, 0.5 A, 2-wire connection – Regular delivery. The EL2808 connects binary 24 V DC control signals to actuators. It has eight channels with LED status. Power contacts are passed through. Outputs are supplied via the 24 V DC power contact.
Key Features
- Supports ohmic, inductive, and lamp loads
- Max. 0.5 A per channel (short-circuit proof)
- Overload, short-circuit, and reverse polarity protection
- Tool-free connection for solid wires
- 16 connection points in a 12 mm housing
Technical Data – Hierarchical View
- General
- Brand: Beckhoff
- Model: EL2808
- Series: EtherCAT Terminal
- Type: 8-Channel Digital Output
- Outputs
- Number: 8
- Nominal voltage: 24 V DC (-15 % / +20 %)
- Max. output current: 0.5 A per channel
- Short-circuit current: typ. < 2 A
- Reverse voltage protection: yes
- Breaking energy: < 150 mJ/channel
- Switching times: TON 60 µs, TOFF 300 µs
- Load Types
- Ohmic
- Inductive
- Lamp load
- Power & Isolation
- E-bus current: typ. 110 mA
- Power contacts current: typ. 15 mA + load
- Electrical isolation: 500 V (E-bus/field)
- Process Image
- Bit width: 8 outputs
- Configuration: none required
- Environment & Approvals
- Operating temp: -25…+60 °C
- Storage temp: -40…+85 °C
- Humidity: 95 %, no condensation
- Vibration/shock: EN 60068-2-6 / EN 60068-2-27
- EMC: EN 61000-6-2 / EN 61000-6-4
- Protection: IP20
- Approvals: CE, UL, ATEX, IECEx
- Ex marking: II 3 G Ex ec IIC T4 Gc (ATEX) / Ex ec IIC T4 Gc (IECEx)
- Physical
- Weight: approx. 65 g
- Housing: HD (High Density) with LEDs
- Material: polycarbonate
- Dimensions (W x H x D): 12 mm x 100 mm x 68 mm
- Mounting: 35 mm DIN rail (EN 60715)
- Connection: 2-wire, tool-free for solid wires
- Cross-section: 0.08…1.5 mm² (solid), 0.25…1.5 mm² (stranded), 0.14…0.75 mm² (ferrule)
- AWG: 28…16 (solid), 22…16 (stranded), 26…19 (ferrule)
- Stripping length: 8…9 mm
- Power contacts current load: Imax 10 A
Expert Review
The EL2808 is a reliable 8-channel output terminal. It handles various loads like lamps and solenoids. The short-circuit proof outputs and reverse polarity protection ensure safety. Switching is fast (60 µs ON). Tool-free wiring saves time. It’s a solid choice for standard digital output tasks.
Manager’s Insight
This terminal offers high density with 8 channels in a 12 mm housing. It saves space in the cabinet. The wide temperature range (-25…+60 °C) suits harsh environments. ATEX and IECEx approvals allow use in hazardous areas. It is simple to install and requires no configuration.
Typical Applications
- Actuator control (valves, relays)
- Lamp and indicator control
- Small motor starters
- General purpose digital outputs
- Industrial automation systems
Comparison with Similar Models
- EL2809 – 8-channel output with different features. View EL2809
- EL2818 – 8-channel output with diagnostics. View EL2818
- EL2828 – 8-channel output with high-side drivers. View EL2828
Frequently Asked Questions (FAQ)
- What types of loads can the EL2808 drive?
- It drives ohmic, inductive, and lamp loads.
- Is the output short-circuit proof?
- Yes, each channel is short-circuit proof and overload protected.
- What is the switching speed?
- Typical TON is 60 µs, TOFF is 300 µs.
- Does it have reverse polarity protection?
- Yes, reverse voltage protection is built in.
- What approvals does it have?
- It has CE, UL, ATEX, and IECEx approvals.
- What is the warranty?
- We offer 12 months warranty.
- How fast is shipping?
- We ship within 12–24 hours.
- Which couriers do you use?
- We ship via FedEx, UPS, or DHL.
Selection Guide
- Choose EL2808 if: You need 8 standard digital outputs with protection and ATEX approval.
- Choose EL2809 if: You need additional diagnostic features.
- Choose EL2818 if: You require high-side drivers.
- Choose EL2828 if: You need a different output configuration.
Ordering & Delivery
- Warranty: 12 months
- Shipping: 12–24 hours after order
- Couriers: FedEx, UPS, DHL
For inquiries: sales@powergearx.com or +86 18030005825
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