Momentary Action Switches
Non-illuminated

Indicator
Area illumination
red

Push button
Ring illumination
red

Point Illumination
blue

Ring illumination
green

Ring Illumination RD
blue

Ring illumination
blue

Series: MSM II

Metal push-button with switching voltage up to 250 VAC and indicator elements with different illumination surfaces

73 Variants

Approvals and Compliances

CAD

Description

Indicator elements in identical design as push buttons
Mechanical switch with stroke MO (Momentary)
With or without illumination
With torsion protection for easier positioning
Equipped with quick connect terminals to permit fast connection

Unique Selling Proposition

Attractive tactile feedback
High quality materials
Long life span
Color marking and variety of design options regarding size, color and illumination

Characteristics

Housing material in stainless steel
Actuator in stainless steel or ceramic
Housing and actuator material of the ring-illuminated RD version in black anodized aluminum
Switching voltage from 30 VDC to 250 VAC
Switching current from 0.1 A to 10 A, with gold 100mA
All laser marked, ring-illuminated and point-illuminated versions have anti-rotation protection for easy mounting

Detailed request for product

Details MSM II

Technical Data

Approvals and Compliances

CAD-Drawings

Dimension

Electrical Data

Switching Function

See table of Subminiature and Microswitch

Supply Voltage LED

5 VDC - 24 VDC, see table of variants

Impulse Withstand Voltage (ESD)

8 kV contact discharge

15 kV air discharge

Mechanical Data

Actuating Force

4.5 N

Actuating Travel

1.0 mm

Lifetime

1.5 million actuations

Shock Protection

IK08 / IK07 (M30)

Mounting screw torque Plastic Nut

max. 3.5 Nm

Climatical Data

Operating Temperature

-30 to 85 °C (Sub. Microswitch to -40°C)

Storage Temperature

-40 to 85 °C

Protection Class

IP66 / IP67 Front Side

Salt Spray Test (acc. to IEC 60068-2-11)

24 h / 48 h / 96 h Residence Time

Material

Housing

Aluminium / Stainless Steel

Actuator

Aluminium / Stainless Steel / Ceramics

Seal Ring

NBR70

Plastic Nut

PA, UL94

Detailed information on product approvals, code requirements, usage instructions and detailed test conditions can be looked up in Details about Approvals
SCHURTER products are designed for use in industrial environments. They have approvals from independent testing bodies according to national and international standards. Products with specific characteristics and requirements such as required in the automotive sector according to IATF 16949, medical technology according to ISO 13485 or in the aerospace industry can be offered exclusively with customer-specific, individual agreements by SCHURTER.

Approvals

The approval mark is used by the testing authorities to certify compliance with the safety requirements placed on electronic products.

Approval Reference Type: MSMII

Approval Logo	Certificates	Certification Body	Description

Compliances

The product complies with following Guide Lines

Details	Initiator	Description
CE declaration of conformity	SCHURTER AG	The CE marking declares that the product complies with the applicable requirements laid down in the harmonisation of Community legislation on its affixing in accordance with EU Regulation 765/2008.
UKCA declaration of conformity	SCHURTER AG	The UKCA marking declares that the product complies with the applicable requirements laid down in the British Amendment of Regulation (EC) 765/2008.
RoHS	SCHURTER AG	Directive RoHS 2011/65/EU, Amendment (EU) 2015/863
REACH	SCHURTER AG	On 1 June 2007, Regulation (EC) No 1907/2006 on the Registration, Evaluation, Authorization and Restriction of Chemicals 1 (abbreviated as "REACH") entered into force.

Dimension [mm]

	Non illuminated push buttons

	MSM II SPDT with Microswitch and Quick Connect Terminal

	MSM II SPDT with Subminiature Microswitch and Quick Solder Terminal

	MSM II DPDT Subminiature Microswitch

	Illuminated push buttons

	MSM II PI/RI SPDT with Microswitch and Quick Connect Terminal

	MSM II PI/RI SPDT with Subminiature Microswitch and Quick Solder Terminal

	MSM II PI/RI DPDT with Subminiature Microswitch and Quick Solder Terminal

	MSM II AI SPDT with Microswitch and Quick Connect Terminal

	MSM II AI SPDT with Subminiature Microswitch and Quick Solder Terminal

	MSM II AI DPDT with Subminiature Microswitch and Quick Solder Terminal

	Indicator

	MSM II Indicator with Quick Connect Terminal

	MSM II Indicator with Quick Solder Terminal

	All illuminated products and all non illuminated push buttons with symbols are supplied with anti-rotation protection

	Non-illuminated push-buttons are supplied without anti-rotation protection

Diagrams

	Switching element SPDT

	Switching element DPDT

	Illumination single color Terminal assignment without series resistor

	Illumination RGB Terminal assignment without series resistor

	Illumination single color Terminal assignment with resistors for 5 VDC

	Illumination RGB Terminal assignment with resistors for RGB 5 VDC

	Illumination single color Terminal assignment with resistors for 12 VDC and 24 VDC

	Illumination RGB Terminal assignment with resistors for RGB 12 VDC and 24 VDC

	Illumination options for RGB

Micro Switch

Micro Switch	Contact Material	Switching Voltage	Switching current	Rated Switching Capacity	Lifetime	Contact Resistance	Insulation Resistance	Duration of Bounce
0.1 A, IP40	Au	max. 30 VDC	max. 0.1 A	3 W	0.2 Mio.	< 50 mΩ	> 100 MΩ	< 5 ms
0.1 A, IP67		max. 30 VDC	max. 0.1 A	25 W	0.05 Mio.
5 A / 125 VAC bzw. 3 A / 250 VAC, IP40	Ag	max. 125 / 250 VAC	max. 5 / 3 A	750 W	0.2 Mio.	< 30 mΩ	> 100 MΩ	< 5 ms
6 A, IP67		max. 250 VAC	max. 5 A	1250 W	0.01 Mio.
10 A, IP40	Ag	max. 250 VAC	max. 10 A	2500 W	0.05 Mio.	< 30 mΩ	> 100 MΩ	< 5 ms
10 A, IP67		max. 250 VAC	max. 10 A	2500 W	0.01 Mio.

Subminiature Microswitch

Subminiature Microswitch	Contact Material	Switching Voltage	Switching current	Rated Switching Capacity	Lifetime	Contact Resistance	Insulation Resistance	Duration of Bounce
0.1 A, IP40	Au	max. 30 VDC	max. 0.1 A	3 W	0.1 Mio.	< 100 mΩ	> 100 MΩ	< 10 ms
3 A , IP40	Ag	max. 125 VAC	max. 3 A	375 W	0.03 Mio.	< 30 mΩ	> 100 MΩ	< 10 ms

Illumination

Operating Data	Forward Current max.	Forward Voltage at 10 mA	Forward Voltage max.
LED red	25 mA	1,7 VDC	2,4 VDC
LED green	25 mA	2,6 VDC	3,2 VDC
LED blue	25 mA	2,6 VDC	3,2 VDC

Order number key MSM II

Packaging

The nut with gasket and micro switch are enclosed in the box.

Short Table of Variants MSM II Open complete table MSM II

Diameter	Switching current Switching current Current that flows through the contacts after closing and before opening	Electrical contact	Order Number Variant Details The link on the respective order number refers to a separat tab with specific detailed information . This assures better readable information of the selected product. Change to the tab All Products in order to show details of another variant. This approach offers to use generic alias link to the product details: www.schurter.xx/art/ [Order Number] where the following variables are used: - xx is the country specific domain - [Order Number]	A=Most Popular A=Most Popular Most popular products have the following customer benefits: - previously ordered by multiple customers - generally in stock for immediate delivery - early adoption or mature life cycle Contact us for availability on other product variants, lead-times vary: Contact-Form Availability for all products can be searched real-time. Enter part number and required quantity: Stock Check SCHURTER	...

16	100 mA	SPDT	3-145-122	A	...
16	5 A	SPDT	3-145-273	A	...
16	-	-	3-148-084		...
16	-	-	3-148-278		...
16	-	-	3-148-279		...
16	-	-	3-148-339		...
16	-	-	3-148-342		...
16	-	-	3-148-345		...
16	-	-	3-148-355		...
16	-	-	3-148-356		...
16	-	-	3-148-357		...
16	-	-	3-148-372		...
16	-	-	3-148-392		...
16	-	-	3-148-396		...
19	100 mA	SPDT	3-145-448	A	...
19	100 mA	SPDT	3-145-539	A	...
19	5 A	SPDT	3-145-556	A	...
19	5 A	SPDT	3-145-559	A	...
19	5 A	SPDT	3-145-567	A	...
19	3 A	DPDT	3-145-766	A	...
19	3 A	DPDT	3-145-768	A	...
19	3 A	DPDT	3-146-007	A	...
19	-	-	3-148-398		...
19	-	-	3-148-400		...
19	-	-	3-148-401		...
19	-	-	3-148-412		...
19	-	-	3-148-413		...
19	-	-	3-148-414		...
19	-	-	3-148-415		...
19	-	-	3-148-416		...
19	-	-	3-148-417		...
19	-	-	3-148-418		...
19	-	-	3-148-419		...
19	-	-	3-148-420		...
22	5 A	SPDT	3-145-478	A	...
22	10 A	SPDT	3-145-479	A	...
22	100 mA	SPDT	3-145-527	A	...
22	100 mA	SPDT	3-145-534	A	...
22	100 mA	SPDT	3-145-535	A	...
22	100 mA	SPDT	3-145-546	A	...
22	100 mA	SPDT	3-145-729	A	...
22	100 mA	SPDT	3-145-731	A	...
22	100 mA	SPDT	3-145-742	A	...
22	100 mA	SPDT	3-145-746	A	...
22	100 mA	SPDT	3-145-747	A	...
22	5 A	SPDT	3-145-749	A	...
22	100 mA	SPDT	3-145-751	A	...
22	100 mA	SPDT	3-145-777	A	...
22	3 A	DPDT	3-145-879	A	...
22	100 mA	SPDT	3-145-891	A	...
22	3 A	DPDT	3-145-920	A	...
22	-	-	3-148-421		...
22	-	-	3-148-422		...
22	-	-	3-148-423		...
22	-	-	3-148-424		...
22	-	-	3-148-425		...
22	-	-	3-148-426		...
22	-	-	3-148-427		...
22	-	-	3-148-428		...
22	-	-	3-148-429		...
22	-	-	3-148-430		...
22	-	-	3-148-431		...
22	-	-	3-148-432		...
30	5 A	SPDT	3-145-589	A	...
30	5 A	SPDT	3-145-657	A	...
30	3 A	DPDT	3-146-043	A	...
30	3 A	DPDT	3-146-044	A	...
30	-	-	3-148-433		...
30	-	-	3-148-434		...
30	-	-	3-148-435		...
30	-	-	3-148-436		...
30	-	-	3-148-437		...
30	-	-	3-148-438		...
█ Most Popular. 1) Microswitch SPDT / Indicator with quick connect terminals 2) Subminiature Switch SPDT / Indicator with solder terminals 3) Subminiature Switch DPDT with solder terminals

Packaging unit

10 pcs.

In box or packed in air cushion bags

Table of Variants MSM II

Diameter	Switching current Switching current Current that flows through the contacts after closing and before opening	Electrical contact	Style	IP specification backside	Illumination	Illumination color	Supply Voltage LED	Order Number Variant Details The link on the respective order number refers to a separat tab with specific detailed information . This assures better readable information of the selected product. Change to the tab All Products in order to show details of another variant. This approach offers to use generic alias link to the product details: www.schurter.xx/art/ [Order Number] where the following variables are used: - xx is the country specific domain - [Order Number]	A=Most Popular A=Most Popular Most popular products have the following customer benefits: - previously ordered by multiple customers - generally in stock for immediate delivery - early adoption or mature life cycle Contact us for availability on other product variants, lead-times vary: Contact-Form Availability for all products can be searched real-time. Enter part number and required quantity: Stock Check SCHURTER	PU Packaging unit The packaging unit is the amount of parts in a standard package. Please contact SCHURTER for further assistance: Contact-Form

16	100 mA	SPDT	1)	IP40	non-illuminated	-	-	3-145-122	A	10
16	5 A	SPDT	1)	IP40	non-illuminated	-	-	3-145-273	A	10
16	-	-	1)	IP67	RI	RGB	24	3-148-084
16	-	-	1)	IP67	RI	RGB	5	3-148-278
16	-	-	2)	IP67	RI	RGB	5	3-148-279
16	-	-	1)	IP67	AI	RGB	5	3-148-339
16	-	-	2)	IP67	AI	RGB	5	3-148-342
16	-	-	1)	IP67	RI	RGB	12	3-148-345
16	-	-	2)	IP67	RI	RGB	12	3-148-355
16	-	-	1)	IP67	AI	RGB	12	3-148-356
16	-	-	2)	IP67	AI	RGB	12	3-148-357
16	-	-	2)	IP67	RI	RGB	24	3-148-372
16	-	-	1)	IP67	AI	RGB	24	3-148-392
16	-	-	2)	IP67	AI	RGB	24	3-148-396
19	100 mA	SPDT	1)	IP40	RI	red	24 VDC	3-145-448	A	10
19	100 mA	SPDT	1)	IP40	AI	RGB	24 VDC	3-145-539	A	10
19	5 A	SPDT	1)	IP40	non-illuminated with colored ring	red	-	3-145-556	A	10
19	5 A	SPDT	1)	IP40	non-illuminated with colored ring	green	-	3-145-559	A	10
19	5 A	SPDT	1)	IP40	RI DeadFront	RGB	24 VDC	3-145-567	A	10
19	3 A	DPDT	3)	IP40	non-illuminated	-	-	3-145-766	A	10
19	3 A	DPDT	3)	IP40	PI	green	-	3-145-768	A	10
19	3 A	DPDT	3)	IP40	PI	blue	-	3-146-007	A	10
19	-	-	1)	IP67	RI	RGB	5	3-148-398
19	-	-	1)	IP67	AI	RGB	5	3-148-400
19	-	-	2)	IP67	AI	RGB	5	3-148-401
19	-	-	1)	IP67	RI	RGB	12	3-148-412
19	-	-	2)	IP67	RI	RGB	12	3-148-413
19	-	-	1)	IP67	AI	RGB	12	3-148-414
19	-	-	2)	IP67	AI	RGB	12	3-148-415
19	-	-	1)	IP67	RI	RGB	24	3-148-416
19	-	-	2)	IP67	RI	RGB	24	3-148-417
19	-	-	1)	IP67	AI	RGB	24	3-148-418
19	-	-	2)	IP67	AI	RGB	24	3-148-419
19	-	-	2)	IP67	RI	RGB	5	3-148-420
22	5 A	SPDT	1)	IP40	non-illuminated	-	-	3-145-478	A	10
22	10 A	SPDT	1)	IP40	non-illuminated	-	-	3-145-479	A	10
22	100 mA	SPDT	1)	IP40	RI	red	24 VDC	3-145-527	A	10
22	100 mA	SPDT	1)	IP40	RI	blue	24 VDC	3-145-534	A	10
22	100 mA	SPDT	1)	IP40	RI	yellow	24 VDC	3-145-535	A	10
22	100 mA	SPDT	1)	IP40	RI	RGB	24 VDC	3-145-546	A	10
22	100 mA	SPDT	1)	IP40	RI DeadFront	RGB	24 VDC	3-145-729	A	10
22	100 mA	SPDT	1)	IP40	RI	red	12 VDC	3-145-731	A	10
22	100 mA	SPDT	1)	IP40	RI	green	12 VDC	3-145-742	A	10
22	100 mA	SPDT	1)	IP40	RI	red	5 VDC	3-145-746	A	10
22	100 mA	SPDT	1)	IP40	RI	green	5 VDC	3-145-747	A	10
22	5 A	SPDT	1)	IP40	RI	blue	5 VDC	3-145-749	A	10
22	100 mA	SPDT	1)	IP40	RI	white	5 VDC	3-145-751	A	10
22	100 mA	SPDT	1)	IP40	PI	blue	-	3-145-777	A	10
22	3 A	DPDT	3)	IP40	non-illuminated	-	-	3-145-879	A	10
22	100 mA	SPDT	1)	IP40	AI	RGB	24 VDC	3-145-891	A	10
22	3 A	DPDT	3)	IP40	RI	white	24 VDC	3-145-920	A	10
22	-	-	1)	IP67	RI	RGB	5	3-148-421
22	-	-	2)	IP67	RI	RGB	5	3-148-422
22	-	-	1)	IP67	AI	RGB	5	3-148-423
22	-	-	2)	IP67	AI	RGB	5	3-148-424
22	-	-	1)	IP67	RI	RGB	12	3-148-425
22	-	-	2)	IP67	RI	RGB	12	3-148-426
22	-	-	1)	IP67	AI	RGB	12	3-148-427
22	-	-	2)	IP67	AI	RGB	12	3-148-428
22	-	-	1)	IP67	RI	RGB	24	3-148-429
22	-	-	2)	IP67	RI	RGB	24	3-148-430
22	-	-	1)	IP67	AI	RGB	24	3-148-431
22	-	-	2)	IP67	AI	RGB	24	3-148-432
30	5 A	SPDT	1)	IP40	non-illuminated	-	-	3-145-589	A	10
30	5 A	SPDT	1)	IP40	RI DeadFront	RGB	24 VDC	3-145-657	A	10
30	3 A	DPDT	3)	IP40	RI	red	24 VDC	3-146-043	A	10
30	3 A	DPDT	3)	IP40	RI	green	24 VDC	3-146-044	A	10
30	-	-	1)	IP67	RI	RGB	5	3-148-433
30	-	-	2)	IP67	RI	RGB	5	3-148-434
30	-	-	1)	IP67	RI	RGB	12	3-148-435
30	-	-	2)	IP67	RI	RGB	12	3-148-436
30	-	-	1)	IP67	RI	RGB	24	3-148-437
30	-	-	2)	IP67	RI	RGB	24	3-148-438
█ Most Popular. 1) Microswitch SPDT / Indicator with quick connect terminals 2) Subminiature Switch SPDT / Indicator with solder terminals 3) Subminiature Switch DPDT with solder terminals