OMRON D4B-[]N lineup

last update: August 08, 2016

Set Model Numbers

Consult with your OMRON representative when ordering any models that are not listed in this table.

Safety Limit Switches (with Direct Opening Mechanism)

Actuator		Conduit openings	1NC/1NO (Snap-action)		1NC/1NO (Slow-action)		2NC (Slow-action)
			Model	Direct opening	Model	Direct opening	Model	Direct opening
Roller lever (resin roller)		G1/2 (PF1/2)	D4B-2111N		D4B-2511N		D4B-2A11N
		M20	D4B-4111N		D4B-4511N		D4B-4A11N
Roller lever (stainless steel roller)		G1/2 (PF1/2)	D4B-2115N		D4B-2515N		D4B-2A15N
		M20	D4B-4115N		D4B-4515N		D4B-4A15N
Plunger		G1/2 (PF1/2)	D4B-2170N		D4B-2570N		D4B-2A70N
		M20	D4B-4170N		D4B-4570N		D4B-4A70N
Roller plunger		G1/2 (PF1/2)	D4B-2171N		D4B-2571N		D4B-2A71N
		M20	D4B-4171N		D4B-4571N		D4B-4A71N

General-purpose Limit Switches

Actuator		Conduit openings	1NC/1NO (Snap-action)		1NC/1NO (Slow-action)		2NC (Slow-action)
			Model	Direct opening	Model	Direct opening	Model	Direct opening
Adjustable roller lever		G1/2 (PF1/2)	D4B-2116N	---	D4B-2516N	---	D4B-2A16N	---
		M20	D4B-4116N		D4B-4516N		D4B-4A16N
Adjustable rod lever		G1/2 (PF1/2)	D4B-2117N	---	D4B-2517N	---	D4B-2A17N	---
		M20	D4B-4117N		D4B-4517N		D4B-4A17N

Note: Consult your OMRON representative for products.

last update: August 08, 2016

OMRON D4B-[]N catalog

• Catalog
• Manual
• CAD

English

Global Edition

For ordering in Singapore, please note some product models not sold in Singapore may be included in the following catalog(s) for our global customers.

*It is recommended to select “Save” from the right-click due to large size of catalog PDF data.

Catalog Name	Catalog Number [size]	Last Update
D4B-[]N Data Sheet	- [2227KB]	Apr 16, 201820180416	D4B-[]N Data Sheet

OMRON D4B-[]N dimension

last update: April 16, 2018

(Unit: mm)

Note: Omitted dimensions are the same as those for the Roller Lever Type Models
           D4B-2[][][]N have a G1/2 conduit opening.
           D4B-4[][][]N have a M20 conduit opening.

Switches

Roller Lever
D4B-[][]11N

Roller Lever (Stainless Steel Roller)
D4B-[][]15N

Adjustable Roller Lever *2
D4B-[][]16N

Adjustable Rod Lever *2
D4B-[][]17N

Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions.
*1. The lever can be set to any desired position by turning the operating position indicator.
*2. In terms of construction, the Switch is a General-purpose Limit Switch rather than a Safety Limit Switch.

Note: Variation occurs in the simultaneity of contact opening/closing operations of 2NC contacts. Check contact operation.
*1. The operating characteristics of these Switches were measured with the roller level set at 31.5 mm.
*2. The operating characteristics of these Switches were measured with the rod level set at 140 mm.
*3. The operating characteristics are the same for the left and the right.
*4. Only for slow-action models.
*5. Only for snap-action models.
*6. Reference values.
*7. Must be provided to ensure safe operation.

Plunger
D4B-[][]70N

Roller Plunger
D4B-[][]71N

Note: Unless otherwise specified, a tolerance of ±0.4 mm applies to all dimensions.

Note: Variation occurs in the simultaneity of contact opening/closing operations of 2NC contacts. Check contact operation.
*1. Only for slow-action models.
*2. Only for snap-action models.
*3. Reference values.
*4. Must be provided to ensure safe operation.

last update: April 16, 2018

OMRON D4B-[]N specification

last update: October 01, 2015

Standards and EC Directives

Conforms to the following EC Directives:

• Machinery Directive
• Low Voltage Directive
• EN50041
• EN60204-1
• EN ISO 14119

Certified Standards

Snap-action Models

Certification body	Standard	File No.
TÜV Rheinland	EN60947-5-1 (certified direct opening mechanism) GS-ET-15	Consult your OMRON representative for details.
	EN60947-5-1 (uncertified direct opening mechanism)	J50005477 *
UL	UL508	E76675
CSA	C22.2 No. 14	LR45746
CQC (CCC)	GB14048.5	2003010305077612 2003010305095927

* Adjustable roller lever, adjustable rod lever only.

Slow-action Mode

Certification body	Standard	File No.
TÜV Rheinland	EN60947-5-1 (certified direct opening mechanism) GS-ET-15	Consult your OMRON representative for details.
	EN60947-5-1 (uncertified direct opening mechanism)	J50005477 *
UL	UL508	E76675
CSA	C22.2 No. 14	LR45746
CQC (CCC)	GB14048.5	2003010305077612 2003010305095927

* Adjustable roller lever, adjustable rod lever only.

Certified Standard Ratings

TÜV (EN60947-5-1), CCC (GB14048.5)

Utilization category	AC-15
Rated operating current (Ie)	2 A
Rated operating voltage (Ue)	400 V

Note: As protection against short-circuiting, use either a gI-type or gG-type 10 A fuse that conforms to IEC60269.

UL/CSA: (UL508, CSA C22.2 No. 14)

A600

Rated voltage	Carry current	Current (A)		Volt-amperes (VA)
		Make	Break	Make	Break
120 VAC 240 VAC 480 VAC 600 VAC	10 A	60 30 15 12	6 3 1.5 1.2	7,200	720

Ratings

Rated voltage (V)	Non-inductive load (A)				Inductive load (A)
	Resistive load		Lamp load		Inductive load		Motor load
	NC	NO	NC	NO	NC	NO	NC	NO
125 VAC 250 400	10 10 10		3 2 1.5	1.5 1 0.8	10 10 3		5 3 1.5	2.5 1.5 0.8
8 VDC 14 30 125 250	10 10 6 0.8 0.4		6 6 4 0.2 0.1	3 3 3 0.2 0.1	10 10 6 0.8 0.4		6 6 4 0.2 0.1

Note: 1. The above values are continuous currents.
           2. Inductive loads have a power factor of 0.4 or higher (AC) or a time constant of 7 ms or lower (DC).
           3. Lamp loads have a inrush current of 10 times the normal current.
           4. Motor loads have a inrush current of 6 times the normal current.

Inrush current	30 A max.

Characteristics

Degree of protection *1		IP67 (EN60947-5-1)
Durability *2	Mechanical	30,000,000 operations min. (snap-action) 10,000,000 operations min. (slow-action)
	Electrical	500,000 operations min. (10 A resistive load at 250 VAC)
Operating speed		1 mm/s to 0.5 m/s
Operating frequency	Mechanical	120 operations/minute
	Electrical	30 operations/minute
Contact resistance		25 mΩ max.
Minimum applicable load *3		180 mA resistive load at 5 VAC (N-level reference value)
Rated insulation voltage (Ui)		600 V (EN60947-5-1)
Rated frequency		50/60 Hz
Protection against electric shock		Class I (with ground terminal)
Pollution degree (operating environment)		3 (EN60947-5-1)
Impulse withstand voltage (EN60947-5-1)	Between terminals of same polarity	2.5 kV (snap-action)/4 kV (slow-action)
	Between terminals of different polarity	4 kV (slow-action)
	Between each terminal and ground	4 kV
Insulation resistance		100 MΩ min. (at 500 VDC) between terminals of the same polarity and between each terminal and non-current-carrying part
Contact gap		2 × 2 mm min. (slow-action) 2 × 0.5 mm min. (snap-action)
Vibration resistance	Malfunction	10 to 55 Hz, 0.75 mm single amplitude
Shock resistance	Destruction	1,000 m/s2 min.
	Malfunction	300 m/s2 min.
Conditional short-circuit current		100 A (EN60947-5-1)
Conventional enclosed thermal current (Ithe)		20 A (EN60947-5-1)
Ambient operating temperature		-40 to 80°C (with no icing)
Ambient operating humidity		95% max.
Weight		Approx. 250 g

Note: 1. The above values are initial values.
           2. The above values may vary depending on the model. Consult your OMRON sales representative for details.
*1. The degree of protection is tested using the method specified by the standard (EN60947-5-1). Confirm that sealing
       properties are sufficient for the operating conditions and environment beforehand.
*2. The durability is for an ambient temperature of 5 to 35°C and ambient humidity of 40% to 70%. For further
       conditions, consult your OMRON sales representative.
*3. The above values may vary depending on switching frequency, environmental condition, and relativity level, consult
       your OMRON sales representative.

last update: October 01, 2015

• NO. D4B-[]N
• TYPE:Safety Limit Switches Copyright Statement Copyright Statement
• DATE:2021-06-07
• Associated products:
  D4F Small Safety Limit Switch/Features D4N-[]R Pull-reset Safety Limit Switch/Features