For Reference Only
| Part Number | SR4D4021 |
| LIXINC Part # | SR4D4021 |
| 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 | SR4D4021 PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Jan 25 - Jan 29 2026(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | SR4D4021 |
| 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-2NO/2NC (2 Form A, 2 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) |
| SR4D4024 | RELAY SAFETY 4PST 8A 24V | 2428 More on Order |
|
| 1104983 | SAFE EXTENSION MODULE WITH 4 SAF | 869 More on Order |
|
| UE45-3S13D330 | RELAY SAFETY 3PST 6A 24V | 943 More on Order |
|
| 2963938 | RELAY SAFETY DPST 6A 24V | 847 More on Order |
|
| 1105012 | SAFE EXTENSION MODULE FOR MONITO | 888 More on Order |
|
| UE11-4DX3D31 | RELAY SAFETY 7PST 6A 24V | 806 More on Order |
|
| 2963996 | RELAY SAFETY 8PST 6A 24V | 982 More on Order |
|
| 2981428 | RELAY SAFETY 3PST 6A 24V | 985 More on Order |
|
| 7S.12.8.120.5110 | RELAY GUIDED 1NO+1NC 6A 120VAC | 882 More on Order |
|
| 2986575 | RELAY SAFETY DPST 5A 24V | 2163 More on Order |
|
| G7SA-2A2B DC48 | RELAY SAFETY 4PST 6A 48V | 875 More on Order |
|
| 2963718 | RELAY SAFETY DPST 6A 24V | 2527 More on Order |
|
| G9SA-321-T075 AC/DC24 | RELAY SAFETY 3P 24V | 836 More on Order |
| In Stock | 10861 - 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 | $17.92500 | $17.925 |
| 250 | $16.89000 | $4222.5 |
Lixinc will offer the most competitive prices for you, please refer to the quotations.
Please feel free to contact us for details.