Name: SR4M4021
Brand: TE Connectivity Potter & Brumfield Relays
SKU: SR4M4021
Availability: InStock
Rating: 5 (185 reviews)

SR4M4021

For Reference Only

Part Number	SR4M4021
Manufacturer	TE Connectivity Potter & Brumfield Relays
Description	RELAY SAFETY 4PST 8A 21V
Datasheet	SR4M4021 Specifications
Package	-
ECAD
In Stock	4,662 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	May 13 - May 18 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # SR4M4021 (Power Relays, Over 2 Amps) is manufactured by TE Connectivity Potter & Brumfield Relays and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For SR4M4021 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add SR4M4021 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of SR4M4021.

SR4M4021 Specifications

Manufacturer	TE Connectivity Potter & Brumfield Relays
Category	Relays - Power Relays, Over 2 Amps
Package	-
ECAD
Series	SR4, SCHRACK
Relay Type	Safety
Coil Type	Non Latching
Coil Current	38.1mA
Coil Voltage	21VDC
Contact Form	4PST (3 Form A, 1 Form B)
Contact Rating (Current)	8A
Switching Voltage	400VAC - Max
Turn On Voltage (Max)	16 VDC
Turn Off Voltage (Min)	2.1 VDC
Operate Time	-
Release Time	-
Features	-
Mounting Type	Through Hole
Termination Style	PC Pin

SR4M4021 Reviews

Isra*****ayne

March 30, 2023

★ ★ ★ ★ ★

No complaints. Works perfectly every single one of them! great quality! No bent pins either!

Marc *****nabhan

March 30, 2023

★ ★ ★ ★ ★

I tested some and all look good.

Jac***** Nash

March 21, 2023

★ ★ ★ ★ ★

Used for a solar project. Working as hoped. I'd buy again.

Jose*****sley

March 17, 2023

★ ★ ★ ★ ★

Very quick dispatch, arrived the next day. Item as described. Thanks!

Cora***** Chand

March 16, 2023

★ ★ ★ ★ ★

Tested one of them and works good.

Merr*****Ortega

March 14, 2023

★ ★ ★ ★ ★

I got a very helpful customer service here. Definitely will order my electronics needs again.

Bran*****Turner

February 28, 2023

★ ★ ★ ★ ★

Completely satisfied of SR4M4021 , I always find what I need. The site is easy to get the components .

Arel*****akta

February 26, 2023

★ ★ ★ ★ ★

Works great with an older drive in a newer computer.have not encountered any problems, Glad somebody is making these for all the older equipment.

Cal***** Cain

February 25, 2023

★ ★ ★ ★ ★

Great capacitors. very fast post very good communication.

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SR4M4021 Packaging

SR4M4021 FAQ

1. How to order SR4M4021 on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that SR4M4021 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the SR4M4021. All suppliers must pass our qualification reviews before they can publish their products including SR4M4021 on Heisener; we pay more attention to the channels and quality of SR4M4021 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the SR4M4021 price and inventory displayed accurate?

The price and inventory of SR4M4021 fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of SR4M4021?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the SR4M4021 we delivered, we will accept the replacement or return of the SR4M4021 only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of SR4M4021.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as SR4M4021 pin diagram, SR4M4021 datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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SR4M4021 Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

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RoHS: Compliant

Min Qty: 1

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SR4M4021

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