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Small Safety Limit Switch [D4N] (D4N-4D26)

OMRON

Safety limit switch standards. Enriched products provided globally

Part Number

Configured Part Number is shown.

D4N-4D26

Product Specifications
Part Numbers
Catalog

Dimensional Drawing of OMRON Limit Switch

1 Conduit Type of Limit Switch

Small safety limit switch D4N 1 conduit type outline drawing-1

Small safety limit switch D4N 1 conduit type outline drawing-2

Note: Limit Switch, The dimensional tolerance of all parts not specified in the above dimensional diagrams for each model is ±0.4 mm.
*For the M12 connector, see "1-conduit type, M12 connector type common."

*For information on model numbers other than those listed above, please refer to the digital catalog.

Specification Table of OMRON Limit Switch

Structure of Limit Switch

Small safety limit switch D4N structure diagram

Performance of Limit Switch

Protective structure*1 of Limit Switch		IP67 (EN60947-5-1)
Durability*2	Mechanical	Over 1 million times
Durability*2	Electrical	500,000 times or more (AC250V 3A, resistive load)*3 300,000 times or more (AC250V 10A, resistive load)
Allowable Operating Speed		1 to 500 mm/s (D4N-1A20R)
Allowable operating frequency		Maximum 30 times/min
Contact Resistance		25mΩ or less
Minimum applicable load*4		DC5V 1mA resistive load (N level reference value)
Rated insulation voltage (Ui)		300V
Rated Frequency		50/60Hz
Electric shock protection class		Class II (double insulated)
Pollution level (usage environment)		Pollution degree 3 (EN60947-5-1)
Impulse withstand voltage (EN60947-5-1)	Between same-polarity terminals	2.5kV
	Between different terminals	4kV
	Between each terminal and non-current-carrying metal parts	6kV
Insulation resistance		100MΩ or more
Contact Gap		Minimum 2 x 2 mm
vibration	malfunction	10 to 55Hz, single amplitude 0.75mm
impact	Durability	1,000m/^s2
impact	malfunction	300m/^s2
Conditional Short Circuit Current		100A (EN60947-5-1)
Rated open thermal current (Ith)		10A (EN60947-5-1)
Ambient temperature		-30 to +70℃ (but do not freeze)
Ambient humidity		95% RH or less
mass		Approximately 92g (for D4N-1A20R)

Note 1. The above values are initial values of Limit Switch.
   2. Once a load has been switched, a load with a smaller capacity cannot be connected to the contact. This
      may cause the contact surface to become rough and the contact reliability to be impaired.
*1. This protective structure is based on a test method based on the standard (EN60947-5-1), and the sealing performance under the actual usage environment and conditions should be confirmed in advance.
      The switch box body is protected from the intrusion of dust, oil, water, etc., but the operation key insertion port in the head part should not be exposed to cutting chips, oil, water, chemicals,etc., when using the switch. This
      may cause early wear, damage, and failure of Limit Switch.
*2. The durability conditions are at an ambient temperature of 5 to 35°C and an ambient humidity of 40 to 70% RH.
*3. Do not apply AC250V 3A to two or more circuits.
*4. This value may change depending on the switching frequency, environmental conditions, reliability level, etc. Please check with the actual load in advance.

: 30; 45; 60

Part Number
D4N-4D26

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Detector Shape	Main Body Size	Environment	Plunger Shape Type	Roller Lever Shape Type	Lever Shape Type	Rod Shape Type	Acquired Standards	Force Required for Push Side O.F. (N)	Motion to Switching P.T. (mm)	Angle to Switching P.T (deg)	Max. Stroke T.T (mm)	Max. Angle T.T (deg)	Contact Type	Contact Point Type	Mechanical Life (10,000 times)	Rated Operating Voltage (V)	Rated Conductance Current (A)	Main Body External Dimension, Width W (mm)	Main Body External Dimension, Height H (mm)	Main Body External Dimension, Length L (mm)	Lever Length R (mm)	Detector Element Details	Indicator Light	Movement After the Operation OT (mm)	Operating Position OP (mm)	Torque necessary for operation, OF (N·m)	Conduit Size	Specification of Terminal	Details Type	O.D.	Mounting System	Direction of Operation	Roller Type	Contact format	Release Key Type	Lock / Release System	Built-in Switch Specification	Specifications
	MYR 239.41	1 Piece(s)		5 Day(s) or more	Roller lever type	Small	Standard	-	-	-	-	TUV / UL / C-UL / CE / GB(CCC) / EN	-	-	-	-	-	-	-	1500	-	-	-	-	-	-	Roller lever type (metal lever, bearing roller)	-	-	-	-	M20	-	1-conduit type, general type	-	-	-	-	-	-	-	3NC (slow action)	Standard Type

Product TOP

Basic Information

Operating Temperature Range(°C)	-30::70	Protection Structure	IP67	Mechanical Operation Frequency(times/min or Less)	30
AC Rated Voltage	120 / 240	DC Rated Voltage	125 / 250

Please check the type/dimensions/specifications of the part D4N-4D26 in the Small Safety Limit Switch [D4N] series.

Configure

1 Part Numbers

View Part Numbers

Configure Remaining Specifications

Completed

Specification/Dimensions

Plunger Shape Type
- Top Plunger
  - Panel Mounted Plunger
- Roller Plungers
  - Roller Plunger
- Push Plunger
Clear
Roller Lever Shape Type
- Standard
- Fork Lever Lock
- Variable Roller Levers
Clear
Lever Shape Type
- Arm Lever
  - Roller, Arm Lever
Clear
Rod Shape Type
- Spring + Metal Rod
  - Wire, Springs
- Spring + Resin Rod
  - Plastic Rod
Clear
Force Required for Push Side O.F.(N)
1.5

4.5

5

6.5

15
Clear
Contact Type
- Mutual insulation double-throw
- 2-circuit Double-break
Clear
Contact Point Type
- Rivet
Clear
Rated Operating Voltage(V)
- DC125V
- DC250V
- AC100/125V
- AC120/240V
- AC240/250V
Clear
Rated Conductance Current(A)
2.5
Clear
Indicator Light
- AC/DC10 - 115V drive type (orange LED)
Clear
Movement After the Operation OT(mm)
4

5
Clear
Operating Position OP(mm)
- 18.2±0.5
- 27±0.8
- 28.2±0.8
- 34±0.5
- 37±0.8
- 44.4±0.8
- 53±0.8
Clear
Torque necessary for operation, OF(N·m)
- 0
Clear
Specification of Terminal
Ground terminal not included
Clear
O.D.
- φ6
- φ9.5×5
- φ12.5 × 5
- φ17×6
- φ17.5×6.8
- φ17.5×7
- φ50×8
Clear
Mounting System
4-direction mounting supported (front direction at shipment) / plastic

Front mounting
Clear
Direction of Operation
Slow action

Slow action (direct circuit opening operation included)

Snap action (direct circuit opening operation included)
Clear
Roller Type
- Resin roller R19
- Resin roller R20
- Metal lever / SUS sintered alloy roller R26
- Metal lever / bearing roller R26
- Metal lever / resin roller R26
- Resin lever / resin roller R26
- Metal lever / resin roller, foam lock type
- Metal lever / rubber roller, foam lock type
- Plastic rollers
- Resin roller, foam lock type
Clear
Contact format
- 1NC/1NO
- 1NC/1NOMBB
- 2NC
- 2NC/1NO
- 2NC/1NO+1NC/1NO
- 2NC/1NO+2NC
- 3NC
Clear
Release Key Type
- General type key (resin)
Clear
Lock / Release System
- DC24V solenoid lock / mechanical release scheme
- Mechanical lock / DC24V solenoid release
Clear
type
- D4N
- D4N-□R
Clear
Detector Shape
- Plunger Type
- Roller Lever Type (rotation)
- Rod Shape
- Roller lever type
Clear
Main Body Size
- Standard
- Small
Clear
Environment
- Standard
- Cold Resistance
Clear
Detector Element Details
- Adjustable roller lever type, form lock type (metal lever, resin roller)
- Adjustable roller lever type, form lock type (metal lever, rubber roller)
- Cat whisker type
- Fork lever lock type
- One-way action roller arm lever type
- Plunger type
- Resin Rods
- Roller lever type (metal lever, bearing roller)
- Roller lever type (metal lever, metal roller)
- Roller lever type (metal lever, resin roller)
- Roller lever type (resin lever, resin roller)
- Roller plunger type
Clear
Conduit Size
G1/2

M12 connector

PG13.5

M20
Clear
Details Type
- 1-conduit type, general type
- 1-conduit type, pull-reset type
- 1 Conduit Shape
- 1 Conduit Shape 2 Contact Series
- 1 Conduit Shape 3 Contact, MBB Contact Series
- 2-conduit type, general type
- 2 Conduit Shape 2 Contact Series
- 2 Conduit Shape 3 Contact, MBB Contact Series
- Caster
Clear
Built-in Switch Specification
- 1NC/1NO (MBB) (slow-action)
- 1NC/1NO (slow action)
- 1NC/1NO (snap action)
- 2NC (slow action)
- 2NC (snap action)
- 2NC/1NO (MBB) (slow action)
- 2NC/1NO (slow action)
- 3NC (slow action)
Clear
Specifications
- Pull reset type
- Standard Type
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

2 Day(s) or Less

5 Day(s) or Less

9 Day(s) or Less

35 Day(s) or Less

43 Day(s) or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

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Part Number
D4N-1126
D4N-112G
D4N-112H
D4N-4D32
D4N-4F20
D4N-4F26

Standard Unit Price	Minimum order quantity	Days to Ship	Detector Shape	Main Body Size	Environment	Plunger Shape Type	Roller Lever Shape Type	Lever Shape Type	Rod Shape Type	Acquired Standards	Force Required for Push Side O.F. (N)	Motion to Switching P.T. (mm)	Angle to Switching P.T (deg)	Max. Stroke T.T (mm)	Max. Angle T.T (deg)	Contact Type	Contact Point Type	Mechanical Life (10,000 times)	Rated Operating Voltage (V)	Rated Conductance Current (A)	Main Body External Dimension, Width W (mm)	Main Body External Dimension, Height H (mm)	Main Body External Dimension, Length L (mm)	Lever Length R (mm)	Detector Element Details	Indicator Light	Movement After the Operation OT (mm)	Operating Position OP (mm)	Torque necessary for operation, OF (N·m)	Conduit Size	Specification of Terminal	Details Type	O.D.	Mounting System	Direction of Operation	Roller Type	Contact format	Release Key Type	Lock / Release System	Built-in Switch Specification	Specifications
MYR 194.10	1 Piece(s)	5 Day(s) or more	Roller lever type	Small	Standard	-	-	-	-	EN / UL / C-UL / CE / GB(CCC) / TUV	-	-	-	-	-	-	-	1500	-	-	-	-	-	-	Roller lever type (metal lever, bearing roller)	-	-	-	-	PG13.5	-	1-conduit type, general type	-	-	-	-	-	-	-	1NC/1NO (snap action)	Standard Type
MYR 84.59	1 Piece(s)	2 Day(s)	Roller Lever Type (rotation)	Small	Standard	-	Variable Roller Levers	-	-	EN / UL / C-UL / CE / GB(CCC) / TUV	4.5	-	18-27	-	80	2-circuit Double-break	-	1500	DC250V / DC125V	2.5	31	45	82.5	20-66	Adjustable roller lever type, form lock type (metal lever, resin roller)	-	-	-	-	PG13.5	-	1 Conduit Shape 2 Contact Series	φ17.5×6.8	Front mounting	Snap action (direct circuit opening operation included)	Metal lever / resin roller, foam lock type	1NC/1NO	-	-	1NC/1NO (snap action)	Standard Type
MYR 112.42	1 Piece(s)	5 Day(s) or more	Roller Lever Type (rotation)	Small	Standard	-	Variable Roller Levers	-	-	EN / UL / C-UL / CE / GB(CCC) / TUV	4.5	-	18-27	-	80	2-circuit Double-break	-	1500	DC250V / DC125V	2.5	31	48.2	82.5	32-66	Adjustable roller lever type, form lock type (metal lever, rubber roller)	-	-	-	-	PG13.5	-	1 Conduit Shape 2 Contact Series	φ50×8	Front mounting	Snap action (direct circuit opening operation included)	Metal lever / rubber roller, foam lock type	1NC/1NO	-	-	1NC/1NO (snap action)	Standard Type
MYR 111.48	1 Piece(s)	5 Day(s) or more	Plunger Type	Small	Standard	[Roller Plungers] Roller Plunger	-	-	-	EN / UL / C-UL / CE / GB(CCC) / TUV	6.5	2	-	6	-	2-circuit Double-break	-	1500	DC250V / DC125V	2.5	31	31.5	83.6	-	Roller plunger type	-	4	28.2±0.8	-	M20	-	1 Conduit Shape 2 Contact Series	φ9.5×5	Front mounting	Slow action (direct circuit opening operation included)	Plastic rollers	3NC	-	-	3NC (slow action)	Standard Type
MYR 124.70	1 Piece(s)	5 Day(s) or more	Roller lever type	Small	Standard	-	-	-	-	EN / UL / C-UL / CE / GB(CCC) / TUV	-	-	-	-	-	-	-	1500	-	-	-	-	-	-	Roller lever type (resin lever, resin roller)	-	-	-	-	M20	-	1-conduit type, general type	-	-	-	-	-	-	-	2NC/1NO (MBB) (slow action)	Standard Type
MYR 251.86	1 Piece(s)	5 Day(s) or more	Roller lever type	Small	Standard	-	-	-	-	EN / UL / C-UL / CE / GB(CCC) / TUV	-	-	-	-	-	-	-	1500	-	-	-	-	-	-	Roller lever type (metal lever, bearing roller)	-	-	-	-	M20	-	1-conduit type, general type	-	-	-	-	-	-	-	2NC/1NO (MBB) (slow action)	Standard Type

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Small Safety Limit Switch [D4N] (D4N-4D26)

Dimensional Drawing of OMRON Limit Switch

1 Conduit Type of Limit Switch

Specification Table of OMRON Limit Switch

Structure of Limit Switch

Performance of Limit Switch

Basic Information

Configure

Specification/Dimensions

Plunger Shape Type

Roller Lever Shape Type

Lever Shape Type

Rod Shape Type

Force Required for Push Side O.F.(N)

Contact Type

Contact Point Type

Rated Operating Voltage(V)

Rated Conductance Current(A)

Indicator Light

Movement After the Operation OT(mm)

Operating Position OP(mm)

Torque necessary for operation, OF(N·m)

Specification of Terminal

O.D.

Mounting System

Direction of Operation

Roller Type

Contact format

Release Key Type

Lock / Release System

type

Detector Shape

Main Body Size

Environment

Detector Element Details

Conduit Size

Details Type

Built-in Switch Specification

Specifications

CAD

Days to Ship

Specify Alterations

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