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Beckhoff KL2809 Digital Input Module

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Beckhoff KL2809 Digital Input Module

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Brand Name :	Beckhoff
Model Number :	KL2908
Price :	Negotiable
Payment Terms :	T/T
Supply Ability :	10000 pcs
Delivery Time :	5-7 days

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Product Details
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Beckhoff KL2809 Digital Input Module

I. Model Status: Unofficial Model

1. No Standard/Safety/Custom Records:

Beckhoff's KL29xx (TwinSAFE Safety Output) series only officially releases the KL2904 (4-channel 24V DC, 0.5A, Cat.4/PL e/SIL3); there are no datasheets, order numbers, or CE/UL certifications for the KL2908 (8-channel Safety Output); "KL2908" on the market is mostly a typo for KL2808 (standard 8-channel output) or KL2904, a non-original modification, or a counterfeit.

2. No Special Customization Number:

Beckhoff special terminals will have a 4-digit extension number added to the standard model (e.g., KLxxx-00xx); there is no independent KL2908 basic model.

II. Easily Confusing Official Models (Accurate Alternatives)

1. KL2808 (8-channel general digital output, non-safety, standard supply)

Parameters

Parameters	Specifications
Number of Channels	8 channels
	24V DC
Single Channel Current	0.5A (short circuit protection)
Rated Voltage	24V DC (-15%~+20%, 20.4~28.8V)
Isolation	K-Bus / Field Side 500V
Dimensions / Weight	1210068 mm, approx. 60g
Temperature	0~+55°C, IP20
Certifications	CE, UL, ATEX

2. KL2904 (4-channel TwinSAFE safety output, standard safety model)

Function: Fail-safe output, data transmission via TwinSAFE/Safety over EtherCAT;
Safety Class: EN ISO 13849-1 Cat.4/PL e, IEC 61508 SIL3;
Single channel 0.5A, 24V DC, K-Bus isolation 500V;
Applicable to: emergency stop, safety door, protective locking, and other safety circuits.

3. Official solution for 8-channel safety output (correct selection when KL2908 is unavailable)

Cascade two KL2904s to make 8 channels;
EtherCAT terminal block EL2918 (8-channel safety output, EtherCAT side, non-K-Bus);
EtherCAT Box EP2918 (IP67 optional, distributed installation).

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