Lapp Cable Mount Circular Connector, 17 Contacts, M23 Connector, Socket

RS Stock No.:
Mfr. Prt No.:
44420037 + 73018000

Technical Reference

Legislation and Compliance

RoHS Certificate of Compliance

RS Components
RoHS Certificate of Compliance

EU Directives 2011/65/EU and 2015/863 restrict the use of the 10 substances below in the manufacture of specified types of electrical equipment.

Whilst this restriction does not legally apply to components, it is recognised that component “compliance” is relevant to many customers.

RS definition of RoHS Compliance:

  • The product does not contain any of the restricted substances in concentrations and applications banned by the Directive,
  • and for components, the product is capable of being worked on at the higher temperatures required by lead–free soldering

The restricted substances and maximum allowed concentrations in the homogenous material are, by weight:

PBB (Polybrominated Biphenyls)0.1%
PBDE ( Polybrominated Diphenyl Ethers)0.1%
Hexavalent Chromium0.1%
DEHP (Bis (2-Ethylhexl) phthalate)0.1%
BBP (Benzyl butyl phthalate)0.1%
DBP (Dibutyl phthalate)0.1%
DIBP (Diisobutyl phthalate)0.1%

The supplier of the item listed below has informed RS Components that the product is "RoHS Compliant".

RS Components has taken all reasonable steps to confirm this statement. Information relates only to products sold on or after the date of this certificate.

Compliant Product Details
RS stock number 0218955
Product description Lapp Cable Mount Circular Connector, 17 Contacts, M23 Connector, Socket
Manufacturer / Brand Lapp
Manufacturer part number 44420037 + 73018000

RS Components Ltd, Birchington Road, Corby, Northants, NN17 9RS, UK

Statement of Conformity

RS Components
Statement of Conformity

This statement confirms that the product detailed below complies with the specifications currently published in the RS media and has been subject to the strict quality conditions imposed by RS Components’ internal management systems. Furthermore and where applicable, it confirms that all relevant semiconductor devices have been handled and packed under conditions that meet the administrative and technical requirements of ANSI/ESD S20.20 and EN61340-5-1 electrostatics control standards.

Compliant Product Details
RS stock number 0218955
Product description Lapp Cable Mount Circular Connector, 17 Contacts, M23 Connector, Socket
Manufacturer / Brand Lapp
Manufacturer part number 44420037 + 73018000

The foregoing information relates to product sold on, or after, the date shown below.


Date Jul 20, 2024

RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132

Country of Origin: DE

Product Details

Epic® Circon M23 Series

The Epic® Circon M23 connector is a high quality circular connector ideal for signal transmission and servo drive encoder feedback applications in the plastics, printing, analytical instrument, robotic, and machine tool industries, and any other industrial or commercial application where a compact, rugged connector is required. The connectors guarantee an excellent EMC shielding, increased safety against intrusion of water and a clear visible and tangible action when mating.

Lapp CIRCON M23 Cable Connectors

From Lapp, the CIRCON M23 series of circular connectors are a rugged and compact solution to industrial connector applications. With a standard M23 threaded housing for easy and assured mating, the connectors also form a tight seal when mated to prevent environmental ingress. Coupled with their nickel-plated zinc shell, which offers excellent mechanical protection, the CIRCON M23 series of connectors are durable and reliable.

The easy to assemble connector kits also feature an indented area for use with colour coding rings, which are an ideal way to identify connectors for quick and easy cable management.

These cable mounted connectors also include an EMC shield ring which provides 360 degree shielding, as well as a cable gland which prevents wear and tear on the cable assembly.

Features and Benefits

• Designed to DIN Specification EN61984
• Protection Class IP68
• Resistant to Vibration, Corrosion and EMI
• Contact resistance <4mΩ
• Quick and Easy Assembly
• Easy to Identify Marker System
• Operating Temperature Range -25°C to +125°C


These robust connectors seal to IP68, which means they are highly resistant to dust ingress and resistant to water even when temporarily submerged. As such, they are suitable for use in harsh indoor environments, and even for some outdoor applications.
The connector is also designed to be resistant to damage by vibration, which makes them suitable for use with heavy industrial machinery.

These CIRCON M23 circular connectors are for use with multicore cables in a variety of industrial control signal applications, and for servo drive encoder feedback.

• Robotics
• Control and Automation
• Printing

Mating Connectors

Cable mounted CIRCON M23 connectors are compatible with panel mounted and in-line connectors.

219-217 is a 7 way in-line coupler socket
218-977 is an 8+1 way in-line coupler socket
219-150 is a 12 way in-line coupler socket
219-172 is a 17 way in-line coupler socket
219-453 is a 7 way in-line coupler plug
218-983 is an 8+1 way in-line coupler plug
219-144 is a 12 way in-line coupler plug
219-166 is a 17 way in-line coupler plug
219-194 is a 7 way panel mount socket
219-201 is a 8+1 way panel mount socket
219-504 is a 12 way panel mount socket
219-009 is a 17 way panel mount socket
219-510 is a 12 way panel mount plug
219-526 is a 17 way panel mount plug

Complies with the requirements of DIN EN 61984
Quick and easy to assemble
Highest protection against vibration, corrosion and EMI
Protection class IP68
Solder cup contacts
Contact resistance <4mΩ
100 mating cycles
Easy and fast labelling of the connector through integrated marking system
UL, CSA and VDE approved


Attribute Value
Brand Lapp
Termination Method Solder
Series Circon M23
Plug/Socket Socket
Contact Plating Gold
Housing Material Zinc
Contact Material Copper
Shell Size M23
Mating Type Keyed
Number of Contacts 17
Contact Gender Female
Voltage Rating 50.0 V
Connector Size M23
Current Rating 7.0 A
Mounting Type Cable Mount
Maximum Operating Temperature +125 °C
Minimum Operating Temperature -25 °C
Body Orientation Straight
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