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Omron Automation and Safety D4B-3A71N

SWITCH SNAP ACT DPST-NC 10A 120V

Answer first: this page is a purchasing reference for the exact part number D4B-3A71N from Omron Automation and Safety. Use it to start datasheet, package, manufacturer and RFQ verification; do not treat page text as a live stock, price or lead-time promise.

Manufacturer: Omron Automation and Safety Category: Limit Switches Part number: D4B-3A71N Package: RFQ verification required

Key Parameters

Part NumberD4B-3A71N
ManufacturerOmron Automation and Safety
CategoryLimit Switches
seriesD4B-N
packagingBulk
product statusObsolete
param 1DPST-NC
param 2On-Mom
param 310A (AC), 6A (DC)
param 4120 V
param 530 V
param 6Roller Plunger
param 7Chassis Mount
param 8Screw Terminal
param 9IP67 - Dust Tight, Waterproof
param 10-
param 111900gf
param 12200gf
param 131.890" (48.0mm)
param 140.080" (2.0mm)
param 15-
param 160.197" (5.0mm)
param 17-40°C ~ 80°C

Parameters are provided for purchasing review. Confirm package, suffix, lifecycle status, datasheet revision and approved substitutes before ordering.

How to Verify D4B-3A71N Before Ordering

Datasheet and parameter checks

  • Confirm the full manufacturer part number, not only a shortened search keyword.
  • Compare package, pinout, dimensions, voltage or rating fields, temperature range and compliance wording against the released BOM.
  • Use the manufacturer datasheet or drawing for electrical and mechanical limits before approving a substitute.

RFQ fields SENICO needs

  • Send exact part number, manufacturer, quantity, target delivery date, destination and required packaging.
  • State whether alternates are allowed, and list any date-code, certificate, traceability or customer AVL requirement.
  • Keep exact stock, factory lead time and proposed alternatives in separate quote lanes.

For D4B-3A71N, SENICO recommends checking manufacturer marking, package, date code, requested quantity, approved vendor requirements and replacement risk before issuing a purchase order. If a supplier suggests an equivalent, record the changed fields and approval owner before comparing price.

We do not treat displayed data as a real-time stock or price commitment. The RFQ reply is the verified commercial reference.

Related buying guides: stock and lead-time verification, equivalent IC comparison, and BOM RFQ preparation.