Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
CPI Miniature Pushbutton Switch: Non-Illuminated, Extended Profile, Non-Metallic - Miniature Push Buttons
CPIMiniature Push Buttons

CPI Miniature Pushbutton Switch: Non-Illuminated, Extended Profile, Non-Metallic

The CPI Miniature Pushbutton Switch (SKU 5DKF3) is a non-illuminated momentary-action push button from the D1 series. It features a non-metallic push button material and an extended profile with a 12 mm diameter…

SKU 3G-OTH-31372

Brand
CPI
Item
Miniature Pushbutton Switch: Non-Illuminated, Extended Profile, Non-Metallic
Category
Miniature Push Buttons
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

CPI
Manufacturer Part Number
D1021-540
Series
D1
Type
Extended Profile, Non-Metallic, 12 mm, SPST
Action
Momentary
Push Button Material Type
Non-Metallic
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

CPI Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The CPI Miniature Pushbutton Switch (SKU 5DKF3) is a non-illuminated momentary-action push button from the D1 series. It features a non-metallic push button material and an extended profile with a 12 mm diameter, SPST configuration. The manufacturer part number is D1021-540.

Frequently Asked Questions

What is the CPI D1021-540 miniature pushbutton switch used for?

The CPI D1021-540 is a non-illuminated momentary pushbutton switch used for panel-mount control applications in industrial equipment, test instruments, and low-voltage signal circuits. Its 12 mm diameter and extended profile suit tight spaces where a momentary SPST action is required.

What are the specifications of the CPI D1021-540 switch?

The CPI D1021-540 is a momentary-action SPST switch from the D1 series. It has a non-metallic push button, a 12 mm diameter, and an extended profile. The manufacturer part number is D1021-540, and the brand is CPI. It is non-illuminated and designed for low-voltage signal switching.

Where to buy the CPI D1021-540 switch worldwide?

3G Electric supplies the CPI D1021-540 miniature pushbutton switch worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this CPI D1 series momentary switch.

How to install the CPI D1021-540 pushbutton switch?

Install the CPI D1021-540 by mounting it into a 12 mm panel cutout. Secure the switch with the provided nut from the front. Wire the SPST terminals according to your circuit: common and normally open contacts. Ensure the panel thickness does not exceed the switch's bushing length for proper fit.

Used in

Common applications for CPI
Industrial automation — CPI J4 series plunger limit switches for position sensing on conveyor systems
Material handling — CPI E series hinge lever snap-action switches for detecting door or gate positions
Process control — CPI K1 series environmentally sealed rocker switches for outdoor control panels
Machine safety — CPI roller lever limit switches for interlocking guards on industrial machinery
Panel building — CPI D1 series miniature pushbutton switches for compact operator interfaces

CPI Products

3G Electric supplies CPI miniature push buttons. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
CPI Roller Plunger Limit Switch: Roller Plunger Actuator, Momentary, 0.31 in Roller Dia, Metallic (MPN J4002-518). Key specifications — Manufacturer Part Number: J4002-518; Brand: CPI; Electrical Connection: Flying Leads; Action: Momentary; Series: J4; Body Material Type: Metallic; Actuator Type: Plunger.
CPI
CPI Roller Plunger Limit Switch: Roller Plunger Actuator, Momentary, 0.31 in Roller Dia, Metallic (MPN J4002-518). Key specifications — Manufacturer Part Number: J4002-518; Brand: CPI; Electrical Connection: Flying Leads; Action: Momentary; Series: J4; Body Material Type: Metallic; Actuator Type: Plunger.
CPI Roller Plunger Limit Switch: Roller Plunger Actuator, Momentary, 0.31 in Roller Dia, Metallic (MPN J4001-522). Key specifications — Manufacturer Part Number: J4001-522; Brand: CPI; Electrical Connection: Flying Leads; Action: Momentary; Series: J4; Body Material Type: Metallic; Actuator Type: Plunger.
CPI
CPI Roller Plunger Limit Switch: Roller Plunger Actuator, Momentary, 0.31 in Roller Dia, Metallic (MPN J4001-522). Key specifications — Manufacturer Part Number: J4001-522; Brand: CPI; Electrical Connection: Flying Leads; Action: Momentary; Series: J4; Body Material Type: Metallic; Actuator Type: Plunger.
CPI Plunger Limit Switch: Plunger Actuator, Momentary, Metallic, Plunger, 48 ozf Op Force - Max, J4 (MPN J4401-517). Key specifications — Manufacturer Part Number: J4401-517; Brand: CPI; Electrical Connection: Flying Leads; Action: Momentary; Series: J4; Body Material Type: Metallic; Actuator Type: Plunger.
CPI
CPI Plunger Limit Switch: Plunger Actuator, Momentary, Metallic, Plunger, 48 ozf Op Force - Max, J4 (MPN J4401-517). Key specifications — Manufacturer Part Number: J4401-517; Brand: CPI; Electrical Connection: Flying Leads; Action: Momentary; Series: J4; Body Material Type: Metallic; Actuator Type: Plunger.
CPI Roller Lever Plunger Limit Switch: SPDT, Flying Leads (MPN E1134-505). Key specifications — AC Contact Rating: 5 A @ 120 V; Electrical Connection: Flying Leads; Brand: CPI.
CPI
CPI Roller Lever Plunger Limit Switch: SPDT, Flying Leads (MPN E1134-505). Key specifications — AC Contact Rating: 5 A @ 120 V; Electrical Connection: Flying Leads; Brand: CPI.
CPI Roller Lever Plunger Limit Switch: SPDT, Flying Leads (MPN E1117-553). Key specifications — AC Contact Rating: 5 A @ 120 V; Electrical Connection: Flying Leads; Brand: CPI.
CPI
CPI Roller Lever Plunger Limit Switch: SPDT, Flying Leads (MPN E1117-553). Key specifications — AC Contact Rating: 5 A @ 120 V; Electrical Connection: Flying Leads; Brand: CPI.
CARLING TECHNOLOGIES Miniature Pushbutton Switch: Non-Illuminated, Extended Profile, Metallic, 12 mm (MPN PA304). Key specifications — Brand: CARLING TECHNOLOGIES; Action: Maintained; Series: P; Push Button Material Type: Metallic.
CARLING TECHNOLOGIES
CARLING TECHNOLOGIES Miniature Pushbutton Switch: Non-Illuminated, Extended Profile, Metallic, 12 mm (MPN PA304). Key specifications — Brand: CARLING TECHNOLOGIES; Action: Maintained; Series: P; Push Button Material Type: Metallic.

More from CPI

View all CPI parts →