AHER2281
HE-R Relays
Product specifications for this product
| Item | Product specifications |
|---|---|
| Contact arrangement | 2 Form A 1 Form B |
| Max. switching current | Form A contact: 80 A<br>Form B contact: 1 A |
| Max. switching voltage | Form A contact: 277 V AC<br>Form B contact: 277 V AC, 30 V DC |
| Operating function | Single side stable |
| Terminal shape | PC board terminal |
| Min. switching load (reference value) | Form A contact: 100 mA 24 V DC<br>Form B contact: 10 mA 5 V DC |
| Shock resistance (Destructive) | 980 m/s<sup>2</sup> (half-sine shock pulse: 6 ms) |
| Shock resistance (Functional) | 25 m/s<sup>2</sup> (half-sine shock pulse: 11 ms, detection time: 10 μs) |
| Vibration resistance (Destructive) | 10 to 55 Hz (at double amplitude of 1.5 mm) |
| Vibration resistance (Functional) | 10 to 55 Hz (at double amplitude of 0.3 mm, detection time: 10 μs) |
| Protective construction | Flux-resistant |
| Conditions | Ambient temperature: -40 to +55℃<br>(When applied coil hold voltage is 35 to 110 % V of rated coil voltage.)<br><br>Ambient temperature: -40 to +85℃<br>(When applied coil hold voltage is 35 to 50 % V of rated coil voltage or storage.)<br><br>Humidity: 5 to 85% RH (Avoid icing and condensation) |
| Contact material | Form A contact: AgNi type<br>Form B contact: Au planted AgNi type |
| Packing style | Carton |
| Standard packingCase (pieces) | 50 |
| Rated coil voltag | 12 V DC |
| Rated operating power | 4,000 mW<br>Holding: 490 mW |
| Max. allowable voltage | (at 55℃)<br>110% V of rated coil voltage |
| Resistive load | [switching frequency ON : OFF = 1 s : 9 s]<br>Form A contact:<br>Min. 50x10<sup>3</sup> ope. 63 A 277 V AC<br>Min. 30x10<sup>3</sup> ope. 70 A 277 V AC<br>Min. 10x10<sup>3</sup> ope. 80 A 277 V AC<br>Form B contact:<br>Min. 100x10<sup>3</sup> ope. 0.5 A 30 V DC<br>Min. 100x10<sup>3</sup> ope. 1 A 277 V AC |
| Coil holding voltage | 35 to 110% V (at -40 to +55℃, Form A contact: 80 A)<br> 35 to 50% V (at -40 to +85℃, Form A contact: 70 A to 80 A) |
| Contact rating (resistive load) | Form A contact: 80 A 277 V AC<br>Form B contact: 1 A 277 V AC, 0.5 A 30 V DC |
| Contact resistance (initial) | Form A contact: <br>Max. 10 mΩ (by voltage drop 6 V DC 20 A after 3 min.)<br>Max. 3 mΩ (by voltage drop 6 V DC 80 A, reference value)<br>Form B contact: Max. 100 mΩ (by voltage drop 6 V DC 1 A) |
| Dielectric strength : Between Form A contact and Form B contact | 5,000 Vrms for 1min (detection current: 10 mA) |
| Insulation resistance (initial) | Min. 1,000 MΩ (at 500 V DC, Measured portion is the same as the case of dielectric strength) |
| Max. switching power (resistive load) | Form A contact: 22,160 VA<br>Form B contact: 277 VA, 15 W |
| Mechanical life | Min. 100x10<sup>3</sup> ope. (switching frequency: at 180 times/min) |
| Surge withstand voltage (initial) : Between contact and coil | 10,000 V (Between Form A contact and coil)<br>2,500 V (Between Form B contact and coil) |
| Unit weight | Approx. 180g |
| Model Number | AHER2281 |
| Part Number | AHER2281 |
| Standard packing<br>Carton (pieces) | 10 |
| [[Coil data]]Coil resistance [±10%] (at 20℃) | 36.0 Ω |
| [[Coil data]]Operate voltage (at20℃) | Max. 75% V of rated coil voltage (Initial) |
| [[Coil data]]Rated operating current [±10%] (at 20℃) | 333 mA |
| [[Coil data]]Release voltage (at20℃) | Min. 5% V of rated coil voltage (Initial) |
| [[Specifications]]Operate time (initial) (at 20℃) | Max. 50 ms at rated coil voltage (without bounce) |
| [[Specifications]]Release time (initial) (at 20℃) | Max. 30 ms at rated coil voltage (without bounce, without diode) |
Downloads
CAD
| Name | Size | Date | Language |
|---|---|---|---|
| HE-R Relays, 3D CAD(STEP) | 363.7 KB | 04.07.2023 | English |
Catalog
| Name | Size | Date | Language |
|---|---|---|---|
| Relay match list old-new part numbers | 125.9 KB | 02.07.2023 | English |
Data sheet
| Name | Size | Date | Language |
|---|---|---|---|
| HE-R Relays Datasheet | 393.5 KB | 01.11.2023 | English |
| Products for Energy Management | 4.1 MB | 17.10.2024 | English |
| Mechanical Relays Selection Guide | 4.2 MB | 01.04.2025 | English |
Other
| Name | Size | Date | Language |
|---|---|---|---|
| HE-R Relays, 2D CAD(DXF) | 370.2 KB | 04.07.2023 | English |
| HE-R Relays, 3D CAD(IGES) | 390.1 KB | 04.07.2023 | English |
| HE-R Relays, 3D CAD(Parasolid) | 260.7 KB | 04.07.2023 | English |
| HE-R Relays, 3D CAD(View) | 46.6 KB | 04.07.2023 | English |
| Relay Soldering and Cleaning Guidelines | 72.6 KB | 15.06.2022 | English |
| General Application Guidelines | 405.6 KB | 16.06.2025 | English |
| Reliability | 54.8 KB | 15.06.2022 | English |
| Definition of Relay Terminology | 151 KB | 30.05.2022 | English |
| Applications of Relays in Electronic Circuits | 134.5 KB | 30.05.2022 | English |
