For Reference Only
| Part Number | SR4M4021 |
| LIXINC Part # | SR4M4021 |
| Manufacturer | TE Connectivity Potter & Brumfield Relays |
| Category | Relays › Safety Relays |
| Description | RELAY SAFETY 4PST 8A 21V |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | SR4M4021 PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Jan 26 - Jan 30 2026(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | SR4M4021 |
| Brand: | TE Connectivity Potter & Brumfield Relays |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Relays |
| Subcategory: | Safety Relays |
| Manufacturer: | TE Connectivity Potter & Brumfield Relays |
| Series: | SR4, SCHRACK |
| Package: | Tube |
| Part Status: | Active |
| Mounting Type: | Through Hole |
| Coil Voltage: | 21VDC |
| Contact Form: | 4PST-3NO/1NC (3 Form A, 1 Form B) |
| Contact Rating (Current): | 8 A |
| Switching Voltage: | 400VAC - Max |
| Features: | - |
| Termination Style: | PC Pin |
| Must Operate Voltage: | 16 VDC |
| Must Release Voltage: | 2.1 VDC |
| Operate Time: | - |
| Release Time: | - |
| Operating Temperature: | -25°C ~ 70°C |
| Contact Material: | Silver Tin Oxide (AgSnO) |
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| In Stock | 10896 - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
Warm Tips: Please fill out the form below. We will contact you as soon as possible.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $18.19500 | $18.195 |
| 250 | $17.14500 | $4286.25 |
Lixinc will offer the most competitive prices for you, please refer to the quotations.
Please feel free to contact us for details.