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Small Safety Limit Switch [D4N] (D4N-2187)

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Standard safety limit switches. A full range of products provided globally.
[Features]
· Available with the following range of contact configurations: 1NC/1NO, 2NC, 2NC/1NO, 3NC (MBB specification for the throw action).
· Easily replaceable and labor-saving M12 connector types are also available.
· Highly reliable gold-plated contacts used as standard. Can be used with both general loads and micro loads.

Part Number

Configured Part Number is shown.

D4N-2187

Product Specifications
Part Numbers
Catalog

Drawing

1 conduit type

*The dimensional tolerance for the parts not specified in the drawings of each model above is +/- 0.4 mm.
*For the M12 connector section, please refer to "1 Conduit Type Common to M12 Connector Type".

Product Specification

Structure

Compact safety limit switch D4N structural drawing

Performance

Protective structure*1		IP67 (EN60947-5-1)
Durability*2	Mechanical	More than 1 million times
Durability*2	Electrical	500,000 operations or more (250 V AC 3 A resistive load) *3 300,000 operations or more (250 V AC 10 A resistive load)
Allowable operation speed		1 to 500 mm/s (Model D4N-1A20R)
Allowable operation frequency		maximum 30 times/min
Contact resistance		25 mΩ or less
Minimum applicable load*4		5 V DC 1 mA resistive load (N-level reference value)
Rated insulation voltage (Ui)		300V
Rated frequency		50/60 Hz
Appliance Class		Class II (double insulation)
Pollution degree (operating environment)		Pollution degree 3 (EN60947-5-1)
Impulse withstand voltage (EN60947-5-1)	Between terminals of the same polarity	2.5 kV
	Between different pole terminals	4 kV
	Between each terminal and non-current-carrying metal part	6 kV
Insulation resistance		100 MΩ or more
Contact gap		Minimum 2 x 2 mm
Vibration	Malfunction	10 to 55 Hz, Half amplitude 0.75 mm
Impact	Endurance	1,000 m/s²
Impact	Malfunction	300 m/s²
Conditional short circuit current		100 A (EN60947-5-1)
Rated contact current (Ith)		10 A (EN60947-5-1)
Operating ambient temperature		-30 to +70°C (no freezing)
Operating Ambient Humidity		95% RH or less
Weight		Approx. 92 g (for model D4N-1A20R)

*1. The values given above are initial values.
2. Once a load has been switched by the contact, do not use it with a load of lower capacity connected.
The surface of the contact may become rough, which could compromise contact reliability.
*1. This protective structure is based on test methods according to the standard (EN60947-5-1). Please confirm the sealing performance in advance under actual operating environment and usage conditions.
The switch box itself is protected against the ingress of dust, oil, and water; however, please use it in a location where chips, oil, water, or chemicals will not come into contact with the operation key insertion slot on the head section.
This may cause premature wear, damage, or malfunction.
*2. The durability conditions are based on an ambient temperature of 5 to 35°C and an ambient humidity of 40 to 70% RH.
*3. Do not apply 250 V AC 3 A to more than two circuits.
*4. This value may vary depending on switching frequency, environmental conditions, and reliability level. Please check with the actual load in advance.

: 30; 45; 60

Part Number
D4N-2187

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	Acquired Standards
	MYR 96.00	1 Piece(s)		5 Day(s) or more	Rod Shape	Small	Standard	-	-	-	[Spring + Resin Rod] Plastic Rod	TUV / UL / C-UL / CE / GB(CCC) / EN	1.5	-	15	-	-	2-circuit Double-break	-	1500	DC125V / DC250V	2.5	31	31.5	67	83	Resin Rods	-	-	-	-	G1/2	-	1 Conduit Shape 2 Contact Series	φ17.5×6.8	Front mounting	Snap action (direct circuit opening operation included)	-	1NC/1NO	-	-	1NC/1NO (snap 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-2187 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
Contact Point Type
- Rivet
Clear
Rated Operating Voltage(V)
- DC125V
- DC250V
- AC100/125V
- AC120/240V
- AC240/250V
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
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
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
- D4N-□R
Clear
Detector Shape
- Plunger Type
- Roller Lever Type (rotation)
- Lever Shape (push)
- Rod Shape
- Roller lever type
Clear
Main Body Size
- Standard
- Small
Clear
Environment
- Standard
- Cold Resistance
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
Rated Conductance Current(A)
2.5
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
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
Horizontal operation

Slow action

Slow action (direct circuit opening operation included)

Snap action (direct circuit opening operation included)
Clear
Contact format
- 1NC/1NO
- 1NC/1NOMBB
- 2NC
- 2NC/1NO
- 2NC/1NO+1NC/1NO
- 2NC/1NO+2NC
- 3NC
Clear
Built-in Switch Specification
- 1NC/1NO (MBB) (slow-action)
- 1NC/1NO (slow-action)
- 1NC/1NO (slow action)
- 1NC/1NO (snap action)
- 2NC (slow-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-2220
D4N-2225
D4N-222G

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	Acquired Standards
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) 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	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 88.36	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)	-	-	-	-	G1/2	-	1-conduit type, general type	-	-	-	-	-	-	-	2NC (snap action)	Standard Type	-
MYR 93.89	1 Piece(s)	5 Day(s) or more	Roller Lever Type (rotation)	Small	Standard	-	Standard	-	-	EN / UL / C-UL / CE / GB(CCC) / TUV	5	-	18-27	-	80	2-circuit Double-break	-	1500	DC250V / DC125V	2.5	31	45	82.5	26	Roller lever type (metal lever, metal roller)	-	-	-	-	G1/2	-	1 Conduit Shape 2 Contact Series	φ17.5×7	Front mounting	Snap action (direct circuit opening operation included)	Metal lever / SUS sintered alloy roller R26	2NC	-	-	2NC (snap action)	Standard Type	-
MYR 100.75	1 Piece(s)	5 Day(s) or more	Roller lever type	Small	Standard	-	-	-	-	EN / UL / C-UL / CE / GB(CCC) / TUV	-	-	-	-	-	-	-	1500	-	-	-	-	-	-	Adjustable roller lever type, form lock type (metal lever, resin roller)	-	-	-	-	G1/2	-	1-conduit type, general type	-	-	-	-	-	-	-	2NC (snap action)	Standard Type	-

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Small Safety Limit Switch [D4N] (D4N-2187)

Drawing

1 conduit type

Product Specification

Structure

Performance

Basic Information

Configure

Specification/Dimensions

Plunger Shape Type

Roller Lever Shape Type

Lever Shape Type

Contact Point Type

Rated Operating Voltage(V)

Indicator Light

Movement After the Operation OT(mm)

Operating Position OP(mm)

Torque necessary for operation, OF(N·m)

Specification of Terminal

Roller Type

Release Key Type

Lock / Release System

type

Detector Shape

Main Body Size

Environment

Rod Shape Type

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

Contact Type

Rated Conductance Current(A)

Detector Element Details

Conduit Size

Details Type

O.D.

Mounting System

Direction of Operation

Contact format

Built-in Switch Specification

Specifications

CAD

Days to Ship

Specify Alterations

Products like this...

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