Siemens 3WA1240-8.U78-....

DC non-automatic ACB withdrawable version, with guide frame, IEC 60947-2, frame size 2, 4-poles

MPN: 3WA1240-8.U78-....
Category: 3WA1 Non-Automatic Air Circuit Breakers up to 4000 A (DC), IEC

Price and lead time confirmed within 1 business day

Request a Quote

1We check stock, condition and lead time
2You get a written quote by email
3Approve it and we ship — in-stock parts within 1 business day

12-month warranty (new) · 3-month (used/refurbished)
30-day returns, no restocking fee on unused parts
100% positive eBay feedback
Ships via

Have spare Siemens parts? We buy surplus →

What is the Siemens 3WA1240-8.U78-....?

DC non-automatic ACB withdrawable version, with guide frame, IEC 60947-2, frame size 2, 4-poles, In=4000A to 1500V DC, Breaking capacity E Icc=20kA at 1500V DC, without electr. trip unit ETU, rear connection, horizontal top, flange bottom, guide frame with shutter and position signall. switch (3xW),

3WA1240-8.U78-....: frequently asked questions

When can 3WA1240-8.U78-.... be shipped?

3WA1240-8.U78-.... 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 3WA1240-8.U78-.... 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 3WA1240-8.U78-.... 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 3WA1240-8.U78-...., subject to availability and destination.