ST-REL4-KG 24/21-21/AU
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Relay connectors
2829551
Relay connector, equipped with miniature switching relay, contacts (AgNi+Au): small to large loads, 2 changeover contacts, input voltage 24 V AC/DC, with LED display, pluggable into basic terminal blocks
Product details
| Operating mode | 100% operating factor |
| Mechanical service life | approx. 2x 107 cycles |
| Data management status | |
| Date of last data management | 12.09.2025 |
| Maximum power dissipation for nominal condition | 0.46 W |
| Test voltage (Winding/contact) | 2.5 kV AC (50 Hz, 1 min., winding/contact) |
| Test voltage (Changeover contact/changeover contact) | 1 kV AC (50 Hz, 1 min., changeover contact/changeover contact) |
| Coil side | |
| Nominal input voltage UN | 24 V AC/DC |
| Input voltage range | 19.2 V AC/DC ... 26.4 V AC/DC (20 °C) |
| Drive and function | monostable |
| Drive (polarity) | polarized |
| Typical input current at UN | 19 mA |
| Typical response time | 9 ms (with DC) |
| Typical release time | 10 ms (with DC) |
| Protective circuit | Bridge rectifier, varistor |
| Operating voltage display | yes |
| Switching | |
| Contact switching type | 2 changeover contacts |
| Type of switch contact | Single contact |
| Contact material | Hard gold plated AgNi |
| Maximum switching voltage | 30 V AC/DC |
| Limiting continuous current | 50 mA |
| Maximum inrush current | 50 mA |
| Interrupting rating (ohmic load) max. | 1.2 W (at 24 V DC) |
| Switching: when the gold layer is destroyed | |
| Note | the following values are applicable if a gold layer is destroyed |
| Maximum switching voltage | 250 V AC/DC |
| Limiting continuous current | 3 A |
| Maximum inrush current | 5 A |
| Interrupting rating (ohmic load) max. | 70 W (at 24 V DC) |
| 85 W (at 48 V DC) | |
| 60 W (at 60 V DC) | |
| 40 W (at 110 V DC) | |
| 60 W (at 220 V DC) | |
| 750 VA (for 250 V AC) | |
| Width | 27 mm |
| Height | 33 mm |
| Depth | 66.5 mm |
| Color | green (RAL 6021) |
| Ambient conditions | |
| Ambient temperature (operation) | -20 °C ... 50 °C |
| Ambient temperature (storage/transport) | -20 °C ... 70 °C |
| Standards/regulations | DIN VDE 0110b, Gr. C for 250 V DC |
| IEC 60255/DIN VDE 0435 (in relevant parts) | |
| DIN EN 50178/VDE 0160 (in relevant parts) | |
| EN 60730/DIN VDE 0631 | |
| DIN VDE 0160 (in relevant parts) |
| Mounting type | Plug-in mounting |
| Item number | 2829551 |
| Packing unit | 10 pc |
| Minimum order quantity | 1 pc |
| Sales key | DK6 |
| Product key | DK61B2 |
| GTIN | 4017918078508 |
| Weight per piece (including packing) | 45.75 g |
| Weight per piece (excluding packing) | 45.75 g |
| Customs tariff number | 85364190 |
| Country of origin | DE |
ECLASS
| ECLASS-13.0 | 27371601 |
| ECLASS-15.0 | 27371601 |
ETIM
| ETIM 10.0 | EC001437 |
UNSPSC
| UNSPSC 21.0 | 39122300 |
| EU RoHS | |
| Fulfills EU RoHS substance requirements | Yes |
| Exemption | 7(a), 7(c)-I |
| China RoHS | |
| Environment friendly use period (EFUP) |
EFUP-50
An article-related China RoHS declaration table can be found in the download area for the respective article under "Manufacturer declaration". For all articles with EFUP-E, no China RoHS declaration table issued and required.
|
| EU REACH SVHC | |
| REACH candidate substance (CAS No.) | Lead (CAS: 7439-92-1) |
| SCIP | 2b83b76b-186b-47c0-8cf0-cf4917730895 |
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