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Products of Merten

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Homepage:
www.merten.de/
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Merten: Switches, Sockets & KNX Systems for Industry and Business

Merten (Schneider Electric) is the leading German brand for modular switch programmes – System M for commercial building installation, available at Lieske Elektronik as a B2B distributor.

1906
Founded
120+
Years of Experience
SE
Schneider Electric Group
Global
Worldwide Distribution

Merten – Modular Installation Technology Made in Germany

Gebrüder Merten GmbH was founded in 1906 and has been part of the Schneider Electric Group since 2006. Headquartered in Gummersbach, Germany, Merten stands for high-quality installation technology in the field of switches, sockets, dimmers and building automation – particularly through the globally recognised Merten System M.

System M is characterised by its modular kit principle: inserts and design frames are mounted independently and can be freely combined. Switches, sockets, dimmers, communication inserts and KNX devices can be integrated in a single frame – ideal for professional building installation in offices, commercial premises and hotels.

Lieske Elektronik stocks Merten products for electrical contractors, wholesale trade and commercial projects – with fast delivery and expert B2B advice.

◆ Standards & Certifications
● VDE tested / CE compliant
● DIN EN 60669 (switches)
● KNX certified (KNX Association)
● IP44 versions available
● RoHS compliant
● DALI dimmer compatible

► Product Families at a Glance

Merten System M – Switch Programme
Modular flush-mount switch programme with freely combinable inserts and design frames. Available in various materials and colours – switches, pushbuttons, sockets, dimmers and blind control.
KNX Devices & Building Automation
KNX push-button sensors, actuators and dimmers for intelligent building control – compatible with all KNX system partners. Lighting, shading, heating and HVAC from one system.
Dimmers & Lighting Control
Flush-mount dimmers for LED, incandescent and low-voltage lamps – DALI-capable variants for professional lighting management systems. Also available as touch dimmers and IR-controlled versions.
Motion Detectors & Sensors
Flush-mount motion detectors and presence sensors in System M design for automated lighting and climate control – for corridors, offices and conference rooms.

► Typical Application Areas

⚡ Office & Commercial
Switches, sockets and dimmers in timeless design for office buildings, administration and commercial rental properties.
★ Hotel & Hospitality
Premium switch programmes in stainless steel, aluminium and glass for high-end project installations in hotels and restaurants.
✓ KNX Building Automation
Intelligent building control via KNX bus – centralised and energy-efficient management of lighting, blinds, heating and HVAC.
◆ Industry & Production
Surface-mount and IP44-rated switch materials for production halls, workshops and storage areas.
► Education & Public Buildings
Robust installation materials for schools, hospitals and public facilities – vandal-resistant and long-lasting.
⚡ Lighting Management
DALI and KNX dimmers for energy-efficient lighting management systems in large buildings and industry.

► Why Merten?

✓ Modular System M
Inserts and design frames freely combinable – one switch programme for all applications in a building, without changing systems.
✓ KNX Integration
Seamless integration into KNX bus systems – Merten is a KNX founding member and offers the broadest KNX-compatible flush-mount portfolio.
✓ Schneider Electric Ecosystem
As part of Schneider Electric, Merten benefits from global support, long-term availability and integration into EcoStruxure building solutions.
✓ Proven Quality since 1906
Over 120 years of experience in German electrical installation – VDE tested and established in the electrical wholesale trade.
► Merten Products in the Shop

► Frequently Asked Questions about Merten

What makes Merten System M special?
System M separates the mechanical insert from the design frame. This allows switches, sockets, dimmers and data outlets to be combined in a single frame – without special frames or adapter plates. Later extension or design changes are possible without altering the electrical installation.
Are Merten products KNX compatible?
Yes. Merten offers a broad range of KNX-certified devices in System M design – push-button sensors, dimmer actuators, blind actuators and room controllers. All devices are KNX Association certified and interoperable with all other KNX manufacturers.
Does Lieske supply Merten products in project quantities for electrical contractors?
Yes. Lieske Elektronik supplies electrical contractors, building services engineers and general contractors with larger project quantities – with volume pricing and stock reservation. Please contact us for building projects.
Enquire or Order Merten Products
Our B2B sales team advises you on System M, KNX devices and dimmers – with project pricing and fast stock availability for electrical contractors.
► sales@industry-electronics.com

Lists


Categories with products from Merten



Merten 122051 Schukostecker, solid rubber hard Merten LogoMerten 122051Merten 122051 Schukostecker, solid rubber hard
Socket (R) Solid rubber plug
high breaking strength
16 A, 250 V ~ splashproof

Type 1220 51
Quantity: 1 unit.

Lieske Part No.: 353805
Mfg Part No: 122051
9,47 EUR
Merten 122051 plus VAT
≈ £8.09  |  ≈ $10.83
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
Merten 172851 shock-proof, rubber, light version Merten LogoMerten 172851Merten 172851 shock-proof, rubber, light version
With break-proof insert. For cables up to 3x2.5 mm2 H 07 RN-F and NSSHöu. Color black.

Lieske Part No.: 805216
Mfg Part No: 172851
13,81 EUR
Merten 172851 plus VAT
≈ £11.79  |  ≈ $15.80
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
Merten 173051 shock-proof, solid rubber, heavy duty snap collar Merten LogoMerten 173051Merten 173051 shock-proof, solid rubber, heavy duty snap collar
Heavy Socket (R) solid rubber coupling
Industrial Clutch
16 A, 250 V ~ splash-proof, robust design, anti-kink sleeve with diaphragm protected against breakage, korrsionsgeschützt, with snap ...

Lieske Part No.: 253953
Mfg Part No: 173051
19,06 EUR
Merten 173051 plus VAT
≈ £16.28  |  ≈ $21.80
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 6 workdaysinfo_outline
Merten 179851 Schukohängekupplung, solid rubber, 3 Merten LogoMerten 179851Merten 179851 Schukohängekupplung, solid rubber, 3
Socket (R)-triple suspended couplings with hanger
6 A, 25 V ~ color: black type:
5 798
/
473
9 item:
ST.

Lieske Part No.: 105467
Mfg Part No: 179851
72,67 EUR
Merten 179851 plus VAT
≈ £62.06  |  ≈ $83.13
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 15 workdaysinfo_outline
Merten 202319 British standard socket switchable polar white system M Merten LogoMerten 202319 202319Merten 202319 British standard socket switchable polar white system M
Increased contact protection in accordance with BS 1363. With switch and control lamp. Fits into a 60 mm installation box. Material: matt thermoplastic. Color: polar white.

Lieske Part No.: 484571
Mfg Part No: 202319
19,75 EUR
Merten 202319 plus VAT
≈ £16.87  |  ≈ $22.59
plus delivery charges: 53,00 €
in stockinfo_outline
Merten 213300 shaving socket insert, System M Merten LogoMerten 213300Merten 213300 shaving socket insert, System M
For international 2-pin plug systems (Euro plug, US standard, Australian/China standard). The secondary voltages can be tapped directly in two plug positions. With screw terminals up to 2.5 mm². No ...

Lieske Part No.: 317730
Mfg Part No: 213300
88,01 EUR
Merten 213300 plus VAT
≈ £75.16  |  ≈ $100.68
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Merten 213514 central plate for shaving socket anthracite System M Merten LogoMerten 213514 213514Merten 213514 central plate for shaving socket anthracite System M
To be completed with shaver socket insert 213300. To be completed with 1-M frame, 2-way without centre bar 3898xx. ATELIER-M frame, 2-way without centre bar 3888xx. M-SMART frame, 2-way without centre ...

Lieske Part No.: 755611
Mfg Part No: 213514
25,39 EUR
Merten 213514 plus VAT
≈ £21.68  |  ≈ $29.05
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Merten 213519 central plate for shaving socket polar white system M Merten LogoMerten 213519 213519Merten 213519 central plate for shaving socket polar white system M
To be completed with shaver socket insert 213300. To be completed with 1-M frame, 2-way without centre bar 3898xx. ATELIER-M frame, 2-way without centre bar 3888xx. M-SMART frame, 2-way without centre ...

Lieske Part No.: 1932437
Mfg Part No: 213519
20,74 EUR
Merten 213519 plus VAT
≈ £17.71  |  ≈ $23.73
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Merten 213560 213 560 Mounting Plate f.Rasier-, socket aluminum system M Merten LogoMerten 213560Merten 213560 213 560 Mounting Plate f.Rasier-, socket aluminum system M
To be completed with shaver socket insert 213300. To be completed with 1-M frame, 2-way without centre bar 3898xx. ATELIER-M frame, 2-way without centre bar 3888xx. M-SMART frame, 2-way without centre ...

Lieske Part No.: 317695
Mfg Part No: 213560
28,96 EUR
Merten 213560 plus VAT
≈ £24.73  |  ≈ $33.13
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Merten 213619 213 619 Mounting Plate f.Rasier-, outlet polarwhite System M Merten LogoMerten 213619Merten 213619 213 619 Mounting Plate f.Rasier-, outlet polarwhite System M
To be completed with shaver socket insert 213300. To be completed with 1-M frame, 2-way without centre bar 3898xx. ATELIER-M frame, 2-way without centre bar 3888xx. M-SMART frame, 2-way without centre ...

Lieske Part No.: 317707
Mfg Part No: 213619
20,74 EUR
Merten 213619 plus VAT
≈ £17.71  |  ≈ $23.73
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Merten 213625 central plate for shaving socket active white glossy system M Merten LogoMerten 213625 213625Merten 213625 central plate for shaving socket active white glossy system M
To be completed with shaver socket insert 213300. To be completed with 1-M frame, 2-way without centre bar 3898xx. ATELIER-M frame, 2-way without centre bar 3888xx. M-SMART frame, 2-way without centre ...

Lieske Part No.: 755647
Mfg Part No: 213625
20,74 EUR
Merten 213625 plus VAT
≈ £17.71  |  ≈ $23.73
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Merten 230900 labeling strips, polarwhite Merten LogoMerten 230900Merten 230900 labeling strips, polarwhite
For individual labeling. Delivery includes 1 sheet for 36 products. Color: polar white.

Lieske Part No.: 316012
Mfg Part No: 230900
21,19 EUR
Merten 230900 plus VAT
≈ £18.10  |  ≈ $24.24
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Merten 232814 FI-SCHUKO socket BRS anthracite System M Merten LogoMerten 232814Merten 232814 FI-SCHUKO socket BRS anthracite System M
Integrated increased contact protection in accordance with VDE 0620 Part 1. Built in accordance with VDE 0664 (EN 61008). To increase safety in existing systems in accordance with VDE 0100 Part 410.

Lieske Part No.: 437438
Mfg Part No: 232814
187,11 EUR
Merten 232814 plus VAT
≈ £159.79  |  ≈ $214.05
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Merten 232819 UP Fi outlet polar white 30 mA, SYSTEM M Merten LogoMerten 232819Merten 232819 UP Fi outlet polar white 30 mA, SYSTEM M
Integrated increased contact protection in accordance with VDE 0620 Part 1. Built in accordance with VDE 0664 (EN 61008). To increase safety in existing systems in accordance with VDE 0100 Part 410.

Lieske Part No.: 933953
Mfg Part No: 232819
186,12 EUR
Merten 232819 plus VAT
≈ £158.95  |  ≈ $212.92
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Merten 232860 FI-SCHUKO socket BRS aluminum system M Merten LogoMerten 232860Merten 232860 FI-SCHUKO socket BRS aluminum system M
Integrated increased contact protection in accordance with VDE 0620 Part 1. Built in accordance with VDE 0664 (EN 61008). To increase safety in existing systems in accordance with VDE 0100 Part 410.

Lieske Part No.: 474775
Mfg Part No: 232860
190,58 EUR
Merten 232860 plus VAT
≈ £162.76  |  ≈ $218.02
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Merten 233819 FI-SCHUKO socket BRS polar white glossy system M Merten LogoMerten 233819Merten 233819 FI-SCHUKO socket BRS polar white glossy system M
Integrated increased contact protection in accordance with VDE 0620 Part 1. Built in accordance with VDE 0664 (EN 61008). To increase safety in existing systems in accordance with VDE 0100 Part 410.

Lieske Part No.: 466115
Mfg Part No: 233819
186,12 EUR
Merten 233819 plus VAT
≈ £158.95  |  ≈ $212.92
plus delivery charges: 53,00 €
Delivery time from supplier's stock (ca.) 1 workdaysinfo_outline
Merten 233825 FI-SCHUKO-socket BRS active white, glossy System M Merten LogoMerten 233825Merten 233825 FI-SCHUKO-socket BRS active white, glossy System M
Integrated increased contact protection in accordance with VDE 0620 Part 1. Built in accordance with VDE 0664 (EN 61008). To increase safety in existing systems in accordance with VDE 0100 Part 410.

Lieske Part No.: 322452
Mfg Part No: 233825
186,12 EUR
Merten 233825 plus VAT
≈ £158.95  |  ≈ $212.92
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Merten 259160 satellite dish box 3x, mattsilber PANZER Merten LogoMerten 259160Merten 259160 satellite dish box 3x, mattsilber PANZER
3-way satellite single connection box. For branch line and star distribution systems in GA and satellite house distribution systems. With direct current pass-through via the satellite connection.

Lieske Part No.: 294073
Mfg Part No: 259160
152,16 EUR
Merten 259160 plus VAT
≈ £129.94  |  ≈ $174.07
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Merten 290319 Carrying frame with central plate for inserts Merten LogoMerten 290319Merten 290319 Carrying frame with central plate for inserts
Can also be used for control and signaling devices with single-hole fastening, diameter 16 mm (e.g. Lumitas). Second opening can be broken out. Material: brilliant thermoplastic. Color: glossy polar ...

Lieske Part No.: 200996
Mfg Part No: 290319
12,23 EUR
Merten 290319 plus VAT
≈ £10.44  |  ≈ $13.99
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Merten 290325 290 325 supporting frame m.Zentralpl., N.DIN41524 aktivwhite glossy System M Merten LogoMerten 290325Merten 290325 290 325 supporting frame m.Zentralpl., N.DIN41524 aktivwhite glossy System M
Can also be used for control and signaling devices with single-hole fastening, diameter 16 mm (e.g. Lumitas). Second opening can be broken out. Material: brilliant thermoplastic, antibacterial. Smooth ...

Lieske Part No.: 322233
Mfg Part No: 290325
12,23 EUR
Merten 290325 plus VAT
≈ £10.44  |  ≈ $13.99
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Merten 290419 290,419 potential equalization, outlet polarwhite System M Merten LogoMerten 290419Merten 290419 290,419 potential equalization, outlet polarwhite System M
With two 1-pin built-in plugs in accordance with DIN 42801. Connection terminal up to 6 mm2. Without claws, for screw fastening. Accessory: potential equalization angle socket plug 297190. Material: ...

Lieske Part No.: 322232
Mfg Part No: 290419
40,05 EUR
Merten 290419 plus VAT
≈ £34.20  |  ≈ $45.82
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Merten 290425 potential equalization, outlet white glossy System M Merten LogoMerten 290425Merten 290425 potential equalization, outlet white glossy System M
With two 1-pin built-in plugs in accordance with DIN 42801. Connection terminal up to 6 mm2. Without claws, for screw fastening. Accessory -Equipotential bonding angle socket plug 297190. Material: ...

Lieske Part No.: 322229
Mfg Part No: 290425
40,05 EUR
Merten 290425 plus VAT
≈ £34.20  |  ≈ $45.82
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Merten 294660 central plate for antenna socket matt silver PANZER Merten LogoMerten 294660Merten 294660 central plate for antenna socket matt silver PANZER
For coaxial antenna sockets according to DIN 45330, e.g. AEG, Astro, Bosch, Fuba, Hirschmann, Kathrein, Philips, Polytron, Siemens, Wisi, Zehnder etc. Scope of delivery: Without frame. Color: matt ...

Lieske Part No.: 673156
Mfg Part No: 294660
75,71 EUR
Merten 294660 plus VAT
≈ £64.66  |  ≈ $86.61
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
Merten 295314 295 314 Mounting Plate f.Ankaro, 4x antennas anthracite System M Merten LogoMerten 295314Merten 295314 295 314 Mounting Plate f.Ankaro, 4x antennas anthracite System M
The central plate is to be completed with the 4-way antenna socket, item no. SAT 400 EAS DC from Ankaro. Also suitable for antenna socket type GUT 400 from Astro. Material: matt thermoplastic. Color: ...

Lieske Part No.: 337542
Mfg Part No: 295314
11,98 EUR
Merten 295314 plus VAT
≈ £10.23  |  ≈ $13.71
plus delivery charges: 53,00 €
Delivery time on requestinfo_outline
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