Home / Beckhoff / EK1xxx, BK1xx0 | EtherCAT Coupler / Beckhoff EK1521

Beckhoff EK1521

1-port EtherCAT fiber-optic junction

MPN: EK1521
Category: EK1xxx, BK1xx0 | EtherCAT Coupler

Price and lead time confirmed within 1 business day

Request a Quote

12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
Ships via

What is the Beckhoff EK1521?

The EK1521 1-port EtherCAT junction with multi-mode fiber-optic connection can be used in an EtherCAT Terminal segment at any position between EtherCAT Terminals and enables configuration of EtherCAT star topologies with 100BASE FX hardware (glass

Specifications

Task within EtherCAT system	coupling of EtherCAT junctions via multi-mode glass fiber
Data transfer medium	multi-mode glass fiber 50/125 µm (MM)
Distance between stations	max. 2000 m (100BASE-FX)
Number of EtherCAT Terminals	–
Type/number of peripheral signals	–
Protocol	EtherCAT
Delay	approx. 1 µs
Data transfer rates	100 Mbit/s
Configuration	not required
Bus interface	1 x SC Duplex
Power supply	from E-bus
Current consumption 24 V DC	–
Current consumption E-bus	typ. 350 mA
Weight	approx. 65 g
Operating temperature	-25…+60°C
Storage temperature	-40…+85°C
EMC immunity/emission	conforms to EN 61000-6-2/EN 61000-6-4
Relative humidity	95%, no condensation
Vibration/shock resistance	conforms to EN 60068-2-6/EN 60068-2-27
Protect. rating/installation pos.	IP20/variable
Approvals/markings	CE, CCC, UL, ATEX, IECEx
Ex marking	ATEX: II 3 G Ex ec IIC T4 Gc IECEx: Ex ec IIC T4 Gc
Design form	compact terminal housing with signal LEDs
Material	polycarbonate
Installation	on 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means of	double slot and key connection
Marking	–
Wiring	specific push-in connection
Dimensions (W x H x D)	24 mm x 100 mm x 52 mm

EK1521: frequently asked questions

When can EK1521 be shipped?

EK1521 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up EK1521 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for EK1521 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for EK1521, subject to availability and destination.