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Series: MSM LA 19

Free Sample Request

Metal Switch, Latching Action, Switching Voltage up to 125 VDC / 250 VAC

24 Variants



Approvals and Compliances

Description MSM LA 19

Description

  • Switch available in version: Standard (ST), with Lettering (LE), with Point Illumination (PI), with Ring Illumination (RI)
  • Available with 12 A and 16 A switching current
  • Assembly by mounting with nut and subsequent clipping of the switching element
  • Equipped with flat-pin plugs to permit fast connection

Standards

  • DIN EN 61058-1
  • UL 1054

Approvals

  • Low Voltage Directive 2014/35/EU: Low Voltage Directive 2014/35/EU
  • KEMA / ENEC File Number (Marquardt): 2181991.01
  • UL / CSA File Number (Marquardt): E41791
  • CQC File Number (Marquardt): CQC03002004102

Characteristics

  • Housing and actuator material: high-quality stainless steel
  • Variety of design options regarding size, colour, illumination, connection or lettering
  • Switching voltage up to 125 VDC respectively 250 VAC, switching current up to 16 A
  • optional with point or ring illumination
  • available with single-pole and double-pole switching system, switching status is easy to discern by looking at or feeling the resting position of the actuator
  • for use in harsh environments (see technical data)
Date Category Subcategory Title Download
17/07/2017 Products
PCS
MSM LA ST Product Content Sheet

Electrical Data

Switching Function

N.O. 

Number of Poles

1-pole and 2-pole 

Supply Voltage

24 VDC Ring Illumination , Point Illumination without series resistor , LED operating data are listed in a separate table

Impulse Withstand Voltage (ESD)

4 kV MSM ST / MSM LE

Switching Voltage

max. 250 VAC 30 VDC (125 VDC at 0.5 A),

Switching Current

12 A AC / 16 A AC

Rated Switching Capacity

3000 W

Lifetime

0.05 million actuations (250 VAC / 8 A), 0.1 million actuations (125 VDC / 0,5 A), 0.02 million actuations (250 VAC / 16 A)

Contact Resistance

< 100 mΩ (12 VDC / 1 A)

Insulation Resistance

> 100 MΩ 500 VDC

Mechanical Data

Actuating Force

10 N

Actuating Travel

5.2 mm,

Lifetime

0.1 million actuations

Contact Gap

3 mm

Shock Protection

IK 07 

Tightening Torque Plastic Nut

4.5 Nm for thread M19, 3.5 Nm for M22

Tightening Torque Stainless Steel Nut

12 Nm for thread M19, 16 Nm for M22

Climatical Data

Operating Temperature

-20 to +85 °C

Storage Temperature

-20 to +85 °C

IP-Protection

IP 64 Front Side Contact Area, IP 40 Front Side mechanical, IP 00 Rear Side

Salt Spray Test (acc. to DIN 50021-SS)

24 h / 48 h / 96 h Residence Time 

Material

Housings

Stainless Steel 

Actuator (disc, outside housing)

Stainless Steel 

Illuminated Ring (die-casting, inside housing)

PC 

Seal Ring

NBR70 

Switcher Collet

PA66 (UL94-V0 related to d ≥ 1.6 mm) 

Intermediate Connector

PA66 (UL94-V0 related to d ≥ 1.6 mm) 

Contact Pin Adapter

PA66 (UL94-V0 related to d ≥ 1.6 mm) 


Detailed information on product approvals, code requirements, usage instructions and detailed test conditions can be looked up in  
General Product Information

Preview
 

Picture(s) Selection of product pictures to display a specific variant of the type

Type
 

Type Corresponds to a product series and includes various distinct variants. On the type of descriptive data are summarized, eg in the data sheet

Order Number
 

Order Number Unique part number for placing an order

Configuration key
 

Configuration key The configuration key of a product consists of the composite key values, which describe the different kinds of attribut distinction.

Comment
 
Model Description
 

Model Description Abbreviated description of the CAD model

IGS
 

IGS Also mentioned as IGES ( Initial Graphics Exchange Specification). Common program indipendent interchange format for 3D CAD data.

Step
 

Step Also mentioned as STEP ( Standard for the Exchange of Product Model Data). Common program indipendent interchange format for 3D CAD data standardized according ISO standard.

Parasolid
 

Parasolid Parasolid modeling kernel is a 3D CAD systems. It is developed by a separate business unit within the Unigraphics Solutions (UGS), now Siemens PLM Software.

DXF
 

DXF (Drawing Interchange Format) is a specified by the Autodesk file format for CAD data exchange, and was developed for the 2D-CAD program AutoCAD. A DXF file describes a CAD model as plain text to the ASCII standard.

MSM LA 19 MSM LA 19 LE
1241.6822.1110000 1241.6822.1120000
MSM LA 19 MSM LA 19 PI
1241.6823.1111000 1241.6823.1112000 1241.6823.1114000 1241.6823.1121000 1241.6823.1122000 1241.6823.1124000
MSM LA 19 MSM LA 19 RI
1241.6824.1111000 1241.6824.1112000 1241.6824.1114000
MSM LA 19 MSM LA 19 ST
1241.6821.1110000 1241.6821.1120000
MSM LA 19 MSM LA 19 RI
1241.6824.1121000 1241.6824.1122000 1241.6824.1124000

Dimension [mm]

MSM 19 LA ST / LE double-pole

MSM 19 LA PI double-pole

MSM 19 LA RI double-pole

Switching Element single-pole with Push Button Holder

MSM 19 LA ST /  MSM 19 LA RI

Drilling diagram
MSM 19 LA LE /  MSM 19 LA PI / MSM 19 LA RI optional

Drilling diagram


Assembly Instructions

I Housing
II Flat Pin Terminal (Illumination)
III Gasket
IV Nut (Nut type see Dimensions)
V Module Switching Contact

Diagrams

MSM LA ST / LE single-pole

MSM LA ST / LE double-pole

MSM LA PI single-pole

MSM LA PI double-pole

MSM LA RI single-pole

MSM LA RI double-pole

Contact Layout single-pole

Contact Layout double-pole


Point Illumination

Operating Data Forward Current max. Forward Voltage at 10 mA Forward Voltage at 8 mA Forward Voltage max.
LED red 30 mA 1,9 VDC   3,0 VDC
LED green 30 mA 2,1 VDC   3,0 VDC
LED blue 20 mA   3,7 VDC 4,5 VDC
Attention: Switches are delivered without series resistor.

The last three digits in the order number define the lettering:  
000 No Lettering
001-074 Standard Lettering
101- Customized Lettering
Material Lettering Colour  
Stainless Steel black Filled letters
Laser Marking      
001 = A 021 = U 041 = ÷ 061 = EIN
002 = B 022 = V 042 = ✳ 062 = AUS
003 = C 023 = W 043 = = 063 = AUF
004 = D 024 = X 044 = # 064 = AB
005 = E 025 = Y 045 = ↔ 065 = ON
006 = F 026 = Z 046 = ↕ 066 = OFF
007 = G 027 = 0 047 = → 067 = UP
008 = H 028 = 1 048 = ← 068 = DOWN
009 = I 029 = 2 049 = ↓ 069 = HIGH
010 = J 030 = 3 050 = ↑ 070 = LOW
011 = K 031 = 4 051 = % 071 = ON/OFF
012 = L 032 = 5 052 = √ 072 = START
013 = M 033 = 6 053 = CTRL 073 = RESET
014 = N 034 = 7 054 = RETURN 074 =
015 = O 035 = 8 055 = SHIFT 075 =
016 = P 036 = 9 056 = LOCK 076 =
017 = Q 037 = + 057 = STOP 077 =
018 = R 038 = - 058 = ENTER  
019 = S 039 = . 059 = BACK  
020 = T 040 = x 060 = LINE  
MSM_LA19_PI_MSM_LA22_PI_Verpackung_ML
- Actuating elements in ESD safe packaging
- Screw nuts and sealing rings in a bag (enclosd in the box)
- Micro switches (enclosed in the box)

Short Table of Variants MSM LA 19


Diameter Number of Poles Switching Current 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:

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Stock Check SCHURTER

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Distributor Stock Check

Distributor Stock Check


The following links reffers to the inquiry form for distributors stock information of the selected products. It allows checking for the available amount and optionally to place an order at your selected partner.

The
Distributor Stock Check

Stock Check Distributor

...
[mm]                
 
19 1-pole 12 ␠ A 1241.6821.1110000  A  ...
19 1-pole 12 ␠ A 1241.6823.1111000 ...
19 1-pole 12 ␠ A 1241.6823.1112000  A  ...
19 1-pole 12 ␠ A 1241.6823.1114000  A  ...
19 1-pole 12 ␠ A 1241.6824.1111000 ...
19 1-pole 12 ␠ A 1241.6824.1112000  A  ...
19 1-pole 12 ␠ A 1241.6824.1114000  A  ...
19 1-pole 12 ␠ A 1241.6824.1115000 ...
19 2-pole 12 ␠ A 1241.6821.1120000  A  ...
19 2-pole 12 ␠ A 1241.6822.1120000 ...
19 2-pole 12 ␠ A 1241.6823.1121000  A  ...
19 2-pole 12 ␠ A 1241.6823.1122000  A  ...
19 2-pole 12 ␠ A 1241.6823.1124000  A  ...
19 2-pole 12 ␠ A 1241.6824.1121000  A  ...
19 2-pole 12 ␠ A 1241.6824.1122000  A  ...
19 2-pole 12 ␠ A 1241.6824.1124000  A  ...
19 1-pole 16 ␠ A 3-100-987  A  ...
19 1-pole 16 ␠ A 3-100-990 ...
19 1-pole 16 ␠ A 3-100-991  A  ...
19 1-pole 16 ␠ A 3-101-002  A  ...
19 2-pole 16 ␠ A 3-100-989  A  ...
19 2-pole 16 ␠ A 3-100-999  A  ...
19 2-pole 16 ␠ A 3-101-003  A  ...
19 2-pole 16 ␠ A 3-101-004  A  ...

Most Popular.

Legend:
Type: MSM
CS = Ceramic Surface
ST = Standard: not lettered
LE = Lettering: lettered
AI = BL = Full Surface Backlighting: Lettering possible (see Lettering, last 3 digits)
Customer-specific versions available on request.
Special materials for use in salt and chlorinated environment on request.
The nut with gasket and micro switch are enclosed in the box.

Alternative: Standard version (3)

[Swipe to the left and right for more options]

Alternative: double-pole switch: (3)

[Swipe to the left and right for more options]

Alternative: switch with backlighted illumination: (4)

[Swipe to the left and right for more options]

Alternative: Other diameter (0)

[Swipe to the left and right for more options]


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