Product Model
IOA REL 24V DI/BFI/1.0A/EX
Selling Points
- 1Electrically isolated coupling for 24 V DC field devices.
- 2Active relay coil indication for easy monitoring.
- 3Two-stage progressive release for voltage checks with field-powered devices.
- 4Power line blown fuse indication for safety.
- 5Cost-effective, ice cube-style relays with basic functionality.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
| Parameter | Value | Parameter | Value |
|---|---|---|---|
Product type | Relay Module | Product family | VIP I/O-Marshalling |
Application | Input function | Operating mode | 100% operating factor |
Mechanical service life | 2x 10 | Date of last data management | 30.10.2024 |
Article revision | 08 | Overvoltage category | II |
Pollution degree | 2 | Nominal input voltage U | 24 V DC |
Input voltage range in reference to U | 0.9 ... 1.1 | Typical input current at U | 7 mA |
Typical response time | 5 ms | Typical release time | 8 ms |
Protective circuit | Reverse polarity protection; Polarity protection diode
Freewheeling diode; Freewheeling diode | Operating voltage display | Yellow LED |
Contact switching type | 1 N/O contact | Type of switch contact | Single contact |
Contact material | AgSnO, hard gold-plated | Maximum switching voltage | 24 V DC |
Minimum switching voltage | 100 mV (at 10 mA) | Limiting continuous current | 50 mA |
Maximum inrush current | 50 mA | Min. switching current | 1 mA (at 24 V) |
Interrupting rating (ohmic load) max. | 1.2 W (at 24 V DC) | Connection method | Pin strip |
Input voltage U | 24 V DC | Input current I | 7 mA |
Width | 10.3 mm | Height | 64.2 mm |
Depth | 72.9 mm | Color | gray (RAL 7042) |
Flammability rating according to UL 94 | V0 | Degree of protection | IP20 |
Ambient temperature (operation) | -40 °C ... 70 °C | Ambient temperature (storage/transport) | -40 °C ... 70 °C |
Altitude | ≤ 2000 m | Permissible humidity (operation) | 0 % ... 95 % (non-condensing) |
Identification | II 3G Ex ec nC IIC T4 Gc | Certificate | Sira 17ATEX4293X |
Identification | Ex ec nC IIC T4 Gc | Certificate | IECEx SIR 17.0078X |
Identification | II 3G Ex ec nC IIC T4 Gc | Certificate | PxCIF23UKEX2910153X |
Identification | Class I, Div. 2, Groups A, B, C, D T4
Class I, Zone 2, IIC T4 | Identification | Class I, Div. 2, Groups A, B, C, D T4
Class I, Zone 2, AEx ec nC IIC T4 Gc
Ex ec nC IIC T4 Gc |
Standards/regulations | IEC 60664
DIN EN 50178 | Mounting type | Plug-in mounting |
Assembly note | Plugs into VIP/...BASE... |
Specifications may be subject to change without notice