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HomeShopIndustrial ControlsSafety Interlock SwitchesOmron D4B-2171N Safety Limit Switch, Top Roller, 1NC/1NO, IP67, New

Omron D4B-2171N Safety Limit Switch, Top Roller, 1NC/1NO, IP67, New

$64.00
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Product Details

SKUIP519333988
ConditionUsed / Inspected
Warranty30 Days
Categories , , ,

Shipping Info

Ships FromBardstown, KY
GroundUPS / FedEx
ExpressNext Day Air Available
FreightAvailable on Request
Cutoff2:00 PM EST Mon–Fri
Omron D4B-2171N Safety Limit Switch, Top Roller, 1NC/1NO, IP67, New


Actuator Top roller plunger
12.7 dia. x 4.8 Sintered stainless steel roller Horizontal roller
Load General load
Degree of protection IP67
NEMA250: Type3, 4, 4X, 6P, 13



Service life General type
Operating mechanism Snap action
Actuator Top roller plunger
12.7 dia. x 4.8 Sintered stainless steel roller Horizontal roller
Frequency 50/60 Hz
Contact form 1NC/1NO
Load General load
Ratings (AC): Non-Inductive load Rated voltage: 125 VAC / Resistive load: 10 A(NC) 10 A(NO) / Lamp load: 3 A(NC) 1.5 A(NO)
Rated voltage: 250 VAC / Resistive load: 10 A(NC) 10 A(NO) / Lamp load: 2 A(NC) 1 A(NO)
Rated voltage: 400 VAC / Resistive load: 10 A(NC) 10 A(NO) / Lamp load: 1.5 A(NC) 0.8 A(NO)
Ratings (AC): Inductive load Rated voltage: 125 VAC / Inductive load: 10 A(NC) 10 A(NO) / Motor load: 5 A(NC) 2.5 A(NO)
Rated voltage: 250 VAC / Inductive load: 10 A(NC) 10 A(NO) / Motor load: 3 A(NC) 1.5 A(NO)
Rated voltage: 400 VAC / Inductive load: 3 A(NC) 3 A(NO) / Motor load: 1.5 A(NC) 0.8 A(NO)
Ratings (DC): Non-Inductive load Rated voltage: 8 VDC / Resistive load: 10 A(NC) 10 A(NO) / Lamp load: 6 A(NC) 3 A(NO)
Rated voltage: 14 VDC / Resistive load: 10 A(NC) 10 A(NO) / Lamp load: 6 A(NC) 3 A(NO)
Rated voltage: 30 VDC / Resistive load: 6 A(NC) 6 A(NO) / Lamp load: 4 A(NC) 3 A(NO)
Rated voltage: 125 VDC / Resistive load: 0.8 A(NC) 0.8 A(NO) / Lamp load: 0.2 A(NC) 0.2 A(NO)
Rated voltage: 250 VDC / Resistive load: 0.4 A(NC) 0.4 A(NO) / Lamp load: 0.1 A(NC) 0.1 A(NO)
Ratings (DC): Inductive load Rated voltage: 8 VDC / Inductive load: 10 A(NC) 10 A(NO) / Motor load: 6 A(NC) 6 A(NO)
Rated voltage: 14 VDC / Inductive load: 10 A(NC) 10 A(NO) / Motor load: 6 A(NC) 6 A(NO)
Rated voltage: 30 VDC / Inductive load: 6 A(NC) 6 A(NO) / Motor load: 4 A(NC) 4 A(NO)
Rated voltage: 125 VDC / Inductive load: 0.8 A(NC) 0.8 A(NO) / Motor load: 0.2 A(NC) 0.2 A(NO)
Rated voltage: 250 VDC / Inductive load: 0.4 A(NC) 0.4 A(NO) / Motor load: 0.1 A(NC) 0.1 A(NO)
Inrush current NC: 30 A
NO: 30 A
Protective circuit Classification of protection against electric shock: Class I (with ground terminal)
Short-circuit protective device: 10 A fuse type gI or gG (IEC60269)
Conduit size G1/2 (PF1/2)
Number of conduit 1
Earth terminal With ground terminal
Ambient temperature Operating: -40 to 80 ℃
(no icing)
Ambient humidity Operating: 95% RH max.
(no condensation)
Permissible operating speed 1 mm/s to 0.5 m/s
Permissible operating frequency (Mechanically) 120 operations / 1 minute max.
Permissible operating frequency (Electrically) 30 operations / 1 minute max.
Contact resistance (Initial value) 25 mΩ max.
Insulation resistance Between each terminal of the same polarities: 100 MΩ min.
Between each terminal and non-live-metallic part: 100 MΩ min.
(at 500 VDC)
Impulse withstand voltage Between each terminal of the same polarities: 2.5 kV
Between each terminaland ground: 4 kV
Durability (Mechanically) 30,000,000 operations min. 
(Temperature, Humidity conditions: 5 to 35 ℃, 40 to 70% RH)
Durability (Electrically) 500,000 operations min. (10 A at 250 VAC)
(Temperature, Humidity conditions: 5 to 35 ℃, 40 to 70% RH)
Vibration resistance (Malfunction) 10 to 55 Hz, 0.75-mm single amplitude
Shock resistance (Destruction) 1000 m/s**2 min.
Shock resistance (Malfunction) 300 m/s**2 min.
Pollution degree 3 (EN60947-5-1)
Degree of protection IP67
NEMA250: Type3, 4, 4X, 6P, 13
Operating Force (OF) Standard value 18.63 N max.
Release Force (RF) Standard value 1.96 N min.
Pre-Travel (PT) Standard value 2 mm max.
Over-Travel (OT) Standard value 5 mm min.
Movement Differential (MD) Standard value 1 mm max.
Operating Position (OP) Standard value 48±1 mm
Total Travel (TT) Reference value 7 mm
Free Position (FP) Standard value 51 mm max.
BrandOmron
ManufacturerOmron
ModelD4B-2171N
MPND4B-2171N
ConditionUsed
Weight1.00
Voltage250VAC
Current TypeAC
SeriesD4B
Shelf LocationN-4
Unit TypeLimit Switch
ApplicationContact/Precision
What warranty do you provide?

We warranty all items for 30 days from date of purchase. If the item is defective, we will provide a refund or replacement at our discretion.

What is your return policy?

Items may be returned within 30 days of receipt. Please contact us before shipping any return. Items must be in original condition. Shipping costs are non-refundable.

How quickly will my order ship?

Orders placed before 2:00 PM EST Monday–Friday typically ship the same day via UPS or FedEx. We also offer Next Day Air and freight options for larger items.

Do you buy used equipment?

Yes! We actively buy used industrial equipment including robots, motors, drives, PLCs, and more. Contact us at 800-380-4913 or email us for a quote.

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