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Safety Limit Switch [D4B-□N] (Part Numbers)

Safety Limit Switch [D4B-□N]

OMRON

OMRON

Robust safety limit switch with metallic housing. Direct opening mechanism in both of slow action type, and snap action type

[Features]
· Direct opening mechanism (only at NC contact side) to separate contact at the time of fault in contact welding.
· Safety of lever setting is achieved by using operation position display board and mechanism by which lever is interlocked.
· Proper operation zone display mechanism is also available.
· Moreover, changing of direction of lateral movement is also by one-touch.
· Improvement in sealing property by strengthening the seal structure of head part (meets TÜ V: IECIP67, UL: NEMA3, 4, 4X, 6P,13).
· Wide available temperature range of - 40 to +80°C.
· Approved by UL, CSA, EN(TÜV), CCC

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Part Number

Configured Part Number is shown.

D4B-2170N

Dimensional Drawing of OMRON Limit Switch

Safety Limit Switch D4B-□N External dimensions-1
Safety limit switch D4B-□N External dimensions-2

Note: The dimensional tolerance of the parts not specified in the above external dimension diagrams for each model is ±0.4 mm.
*1. The lever can be fixed at any position by inverting the set position indicator plate.
*2. In terms of mechanism, it is not a safety Limit Switch but a general Limit Switch.

Specification Table of OMRON Limit Switch

Limit Switch structure

Safety limit switch D4B-□N structure diagram

Limit Switch Performance

Protective structure*1IP67 (EN60947-5-1)
Durability*2MechanicalOver 30 million times (snap action) Over 10 million times (slow action)
Limit Switch ElectricalOver 500,000 times (AC250V 10A resistive load)
Allowable Operating Speed1mm to 0.5m/s
Allowable operating frequencyMechanical120 times/min
Limit Switch Electrical30 times/min
Contact Resistance25mΩ or less
Minimum applicable load*3DC5V 180mA Resistive load (N level reference value)
Rated insulation voltage (Ui)600V (EN60947-5-1)
Rated Frequency50/60Hz
Electric shock protection classClass I (with earth terminal)
Pollution level (usage environment)Pollution degree 3 (EN60947-5-1)
Impulse withstand voltage
(EN60947-5-1)		Between same-polarity terminals2.5kV (snap action)/4kV (slow action)
Between different terminals4kV (slow action)
Between each terminal and earth4kV
Insulation resistanceBetween Limit Switch of the same polarity, and between terminals and non-current-carrying metal parts: 100MΩ or more (at 500V DC)
Contact GapMin. 2 x 2mm (slow action) Min. 2 x 0.5mm (snap action)
vibrationmalfunction10 to 55Hz, single amplitude 0.75mm
impactDurability1,000m/s2 ormore
malfunction300m/s2 ormore
Conditional Short Circuit Current100A (EN60947-5-1)
Rated sealed thermal current (Ithe)20A (EN60947-5-1)
Ambient temperature-40 to +80℃ (but do not freeze)
Ambient humidity95% RH or less
massApprox. 250g

Note 1. The above values are initial values.
   2. The above values may differ depending on the model.
*1. This protection structure is based on a test method based on the standard (EN60947-5-1), so please check the sealing performance in the actual environment and conditions of use in advance.
*2. The durability conditions are for an ambient temperature of 5 to 35°C and an ambient humidity of 40 to 70% RH.
*3. This value may vary depending on the Limit Switch frequency, environmental conditions, reliability level, etc. Please check with the actual load in advance.

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  1. 1
Part Number
D4B-2170N
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipDetector Shape Environment Plunger Shape Type Roller Lever Shape Type Lever 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 Mechanical Life
(10,000 times) 		Rated Operating Voltage
(V) 		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) 		Cable Specifications Detector element details Indicator Light Movement After the Operation OT
(mm) 		Operating Position OP
(mm) 		Torque necessary for operation, OF
(N·m) 		Rubber material (scraper) Box shape Conduit size Specification of Terminal Details Type O.D. Mounting system Direction of Operation Roller Type Contact format Built-in Switch Specification AC Rated Voltage DC Rated Voltage

MYR 221.50

1 Piece(s) 5 Day(s) or more Plunger TypeStandard / Cold Resistance[Top Plunger] Top, Plunger--TUV / UL / GB(CCC) / CQC / CSA / EN18.632-7-2-circuit Double-break3000DC30V or Less / DC125V / DC250V / AC100/125V / AC240/250V / More than AC300V404397--SUS plunger-535±1---G1/2(PF1/2)Ground terminal included1 Conduit Shapeφ9.2Front mountingSnap Action-1NC/1NO---

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  1. 1
 

Basic Information

Main Body Size Standard Operating Temperature Range(°C) -40::80 Protection Structure IP67
Mechanical Operation Frequency(times/min or Less) 120 Rated Conductance Current(A) 10

Please check the type/dimensions/specifications of the part D4B-2170N in the Safety Limit Switch [D4B-□N] series.

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Specification/Dimensions

  • Detector Shape

    • Plunger Type
    • Roller Lever Type (rotation)
    • Roller lever type

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  • Environment

    • Standard
    • Cold Resistance

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  • Plunger Shape Type

    • Top Plunger
      • Top, Plunger
    • Roller Plungers
      • Roller Plunger
      • Top, Roller Plunger

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  • Roller Lever Shape Type

    • Standard
    • Variable Roller Levers

    Clear

  • Lever Shape Type

    • The Horizontal one way roller

    Clear

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

    • 9.41
    • 18.63

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  • Contact Type

    • Mutual insulation double-throw
    • 2-circuit Double-break

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  • Rated Operating Voltage(V)

    • DC30V or Less
    • DC125V
    • DC250V
    • AC100/125V
    • AC240/250V
    • More than AC300V

    Clear

  • Cable Specifications

    • -

    Clear

  • Detector element details

    • -
    • Adjustable rod lever type
    • Adjustable roller lever type
    • SUS plunger
    • Stainless Steel Sintering Roller 
    • Top roller plunger type

    Clear

  • Indicator Light

    • -

    Clear

  • Movement After the Operation OT(mm)

    • 5
    • -

    Clear

  • Operating Position OP(mm)

    • 35±1
    • 48±1
    • -

    Clear

  • Torque necessary for operation, OF(N·m)

    • -

    Clear

  • Rubber material (scraper)

    • -

    Clear

  • Box shape

    • -

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  • Conduit size

    • G1/2(PF1/2)
    • M20

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  • Specification of Terminal

    • Ground terminal included

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  • Details Type

    • 1-conduit type
    • 1 Conduit Shape

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  • O.D.

    • φ9.2
    • φ12.7×4.8
    • φ17.5×6.6
    • φ17.5×7
    • φ19×7

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  • Mounting system

    • Front mounting

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  • Direction of Operation

    • Slow action
    • Snap Action

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  • Roller Type

    • -
    • Plastic Rollers
    • Stainless Steel Roller
    • Stainless Steel Sintering Roller

    Clear

  • Contact format

    • 1NC/1NO
    • 2NC

    Clear

  • Built-in Switch Specification

    • 1NC/1NO contact (slow-action)
    • 1NC/1NO contact (snap-action)
    • 1NC/1NO contact (snap action)
    • 2NC contact (slow action)

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  • AC Rated Voltage

    • 125 / 250 / 400

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  • DC Rated Voltage

    • 8 / 14 / 30 / 125 / 250

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  • type

    • D4B-□N

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  • CAD

    • 3D

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Days to Ship

    • All
    • 1 Day(s) or Less
    • 2 Day(s) or Less
    • 5 Day(s) or Less
    • 6 Day(s) or Less
    • 12 Day(s) or Less

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Specify Alterations

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Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipDetector Shape Environment Plunger Shape Type Roller Lever Shape Type Lever 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 Mechanical Life
(10,000 times) 		Rated Operating Voltage
(V) 		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) 		Cable Specifications Detector element details Indicator Light Movement After the Operation OT
(mm) 		Operating Position OP
(mm) 		Torque necessary for operation, OF
(N·m) 		Rubber material (scraper) Box shape Conduit size Specification of Terminal Details Type O.D. Mounting system Direction of Operation Roller Type Contact format Built-in Switch Specification AC Rated Voltage DC Rated Voltage

MYR 244.74

1 Piece(s) 2 Day(s) Roller Lever Type (rotation)Standard / Cold Resistance-Standard-CQC / CSA / EN / UL / GB(CCC) / TUV9.41-21±3°-752-circuit Double-break3000DC250V / DC125V / AC100/125V / DC30V or Less / More than AC300V / AC240/250V404399.531.5--------G1/2(PF1/2)Ground terminal included1 Conduit Shapeφ17.5×6.6Front mountingSnap ActionPlastic Rollers1NC/1NO---

MYR 264.06

1 Piece(s) 2 Day(s) Roller Lever Type (rotation)Standard / Cold Resistance-Standard-CQC / CSA / EN / UL / GB(CCC) / TUV9.41-21±3°-752-circuit Double-break3000DC250V / DC125V / AC100/125V / DC30V or Less / More than AC300V / AC240/250V404399.531.5--------G1/2(PF1/2)Ground terminal included1 Conduit Shapeφ17.5×7Front mountingSnap ActionStainless Steel Roller1NC/1NO---

MYR 275.64

1 Piece(s) 5 Day(s) or more Roller Lever Type (rotation)Standard / Cold Resistance-Variable Roller Levers-CQC / CSA / EN / UL / GB(CCC) / TUV9.41-21±3°-752-circuit Double-break3000DC250V / DC125V / AC100/125V / DC30V or Less / More than AC300V / AC240/250V404399.525-89--------G1/2(PF1/2)Ground terminal included1 Conduit Shapeφ19×7Front mountingSnap ActionPlastic Rollers1NC/1NO---

MYR 252.47

1 Piece(s) 1 Day(s) Plunger TypeStandard / Cold Resistance[Roller Plungers] Top, Roller Plunger-The Horizontal one way rollerCQC / CSA / EN / UL / GB(CCC) / TUV18.632-7-2-circuit Double-break3000DC250V / DC125V / AC100/125V / DC30V or Less / More than AC300V / AC240/250V404397--Stainless Steel Sintering Roller -548±1---G1/2(PF1/2)Ground terminal included1 Conduit Shapeφ12.7×4.8Front mountingSnap ActionStainless Steel Sintering Roller1NC/1NO---

MYR 256.33

1 Piece(s) 5 Day(s) or more Roller Lever Type (rotation)Standard / Cold Resistance-Standard-CQC / CSA / EN / UL / GB(CCC) / TUV9.41-21±3°-75Mutual insulation double-throw1000DC250V / DC125V / AC100/125V / DC30V or Less / More than AC300V / AC240/250V404399.531.5--------G1/2(PF1/2)Ground terminal included1 Conduit Shapeφ17.5×6.6Front mountingSlow actionPlastic Rollers1NC/1NO---

MYR 264.06

1 Piece(s) 5 Day(s) or more Roller Lever Type (rotation)Standard / Cold Resistance-Standard-CQC / CSA / EN / UL / GB(CCC) / TUV9.41-21±3°-75Mutual insulation double-throw1000DC250V / DC125V / AC100/125V / DC30V or Less / More than AC300V / AC240/250V404399.531.5--------G1/2(PF1/2)Ground terminal included1 Conduit Shapeφ17.5×6.6Front mountingSlow actionPlastic Rollers2NC---

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