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Beckhoff KL1804
KL1804 | Bus Terminal, 4-channel digital input, 24 V DC, 3 ms
1 / 1
Product Description
Lifecycle Status:
The KL1804 digital input terminal acquires the binary 24 V DC control signals from the process level and transmits them, in an electrically isolated form, to the higher-level automation unit. The Bus Terminal has four channels, whose signal state is displayed by light emitting diodes. The power contacts are connected through. With the KL1804, the reference ground for all inputs is the 0 V DC power contact.
Special features:
- input specification type 1/3
- no bouncing due to mechanical switches thanks to 3 ms input filter
- +24 V DC and 0 V DC sensor supply connections
- tool-free connection by direct plug-in technology for solid wire conductors
- increased packing density with 16 connection points in the housing of a 12 mm terminal block
Need more information?
Call us at:+48 17 778 34 19
Payment methods:
Offer details
- Offer from:
- Trusted supplier — Germany, member since 2024
- Availability:
- 2 pcs.Updated at: 01-10-2026In-Stock
- Warranty:
- 24 months
- Condition:
- Refurbished
Refurbished - A refurbished item inspected, cleaned, and repaired to full working order by either the manufacturer or a certified technician. The item is in excellent condition and fully operational.
The Seller is responsible for shipping the product and invoicing
Specifications
- Brand
- Beckhoff
- Connection technology
- 3-wire
- Specification
- EN 61131-2, type 1/3
- Number of inputs
- 4
- Nominal voltage
- 24 V DC (-15%/+20%)
- “0” signal voltage
- -3…+5 V (EN 61131-2, type 1/3)
- “1” signal voltage
- 11…30 V (EN 61131-2, type 3)
Available Offers
(4)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
| Condition Refurbished | Availability 2 pcs. Updated at: 01-10-2026In-Stock | Supplier GermanyTrusted supplier — member since 2024 | Warranty 24 months | ||
![]() | Condition New Surplus | Availability On requestLead time: 21 days | Supplier RomaniaTrusted supplier — member since 2023, 1–4 employees | Warranty Not specified | |
![]() | Condition Used | Availability 3 pcs. Updated at: 12-10-2026In-Stock | Supplier NetherlandsTrusted supplier — member since 2023, 5–9 employees | Warranty Not specified | |
![]() | Condition Used | Availability 1 pc. Updated at: 12-10-2026In-Stock | Supplier NetherlandsTrusted supplier — member since 2024, 5–9 employees | Warranty 3 months |
Documents
Data Sheet
Datasheet for Beckhoff KL1804, including specifications and features.
Download Data Sheet
CAD Models
3D CAD model and technical drawings, ready for your design software.
Download CAD Model
Product data updated: 01-10-2026

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