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Siemens 5ST3040

Undervoltage release 230 V AC, with 6 terminals for miniature circuit breaker 5SL4, 5SY, 5SP RCBO 5SU1

MPN: 5ST3040
Category: Additional Components

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12-month warranty (new) · 3-month (used/refurbished)
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What is the Siemens 5ST3040?

Undervoltage release 230 V AC, with 6 terminals for miniature circuit breaker 5SL4, 5SY, 5SP RCBO 5SU1, FI 5SV (for 5SU1 handle coupler 5ST3805-1 is required)

Specifications

Model

product brand name	SENTRON
product designation	Undervoltage release

General technical data

switching function ON-delay/instantaneous contact	No
type of voltage of the operating voltage for actuation	AC

Control current

control supply voltage — at AC at 50 Hz rated value minimum	230 V
control supply voltage — at AC at 50 Hz rated value maximum	230 V
control supply voltage — at AC at 60 Hz rated value minimum	230 V
control supply voltage — at AC at 60 Hz rated value maximum	230 V

Suitability

suitability for integration motor starter protector	No
suitability for integration overload relay	No
suitability for use load switch	No
suitability for use circuit breaker	No
number of NC contacts	0
number of NO contacts	2
number of CO contacts	0

Connections

type of electrical connection

screw terminal

Mechanical Design

height	90 mm
depth	70 mm
Net Weight	115 g

Downloads & documentation

Official documents from Siemens, downloaded directly from the manufacturer.

Data sheets & manuals

Product data sheet 5ST3040PDF

5ST3040: frequently asked questions

When can 5ST3040 be shipped?

5ST3040 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 5ST3040 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 5ST3040 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 5ST3040, subject to availability and destination.