Product Description
The WAGO 858‑504 Relay Module is a robust 31 mm‑wide DIN‑rail mount interface featuring four changeover (SPDT) contacts driven by a 24 VAC coil. Ideal for AC control applications, it supports manual override for testing and maintenance. Each AgCe contact switches up to 5 A continuously (15 A inrush) at 250 VAC. A red LED provides clear status feedback. Push‑in CAGE CLAMP® terminals enable fast, tool‑free wiring of 0.34 – 1.5 mm² conductors. IP20 protection and wide operating temperatures (–25 … +70 °C) ensure reliable performance in industrial environments.
Key Features
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4 × SPDT Contacts: AgCe material, 5 A continuous / 15 A inrush
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Manual Override: Mechanical test button for easy relay activation
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Clear Status Indication: Red LED for real‑time coil status
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Push‑in CAGE CLAMP®: Tool‑free termination for 0.34 – 1.5 mm² conductors
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Compact Footprint: 31 mm width saves DIN‑rail space
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Wide Temperature Range: –25 … +70 °C operating, IP20 protection
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Reinforced Adjacent Insulation: Safe isolation between neighboring devices
Specifications
| Parameter | Value |
|---|---|
| Item Number | 858‑504‑WAGO |
| Coil Voltage | 24 VAC (–20 … +10 %) |
| Coil Current | 50 mA |
| Contacts | 4 × changeover (SPDT) |
| Contact Material | Silver‑ceramic (AgCe) |
| Continuous Current | 5 A |
| Inrush Current | 15 A / 4 s |
| Max. Switching Voltage | 250 VAC |
| Switching Capacity | AC‑15: 1 A/240 VAC; DC‑13: 2 A/24 VDC |
| Min. Load | 12 V/100 mA |
| Response Times | Pull‑in: 25 ms; Drop‑out: 35 ms; Bounce: 4 ms |
| Electrical Life | 100 000 operations (resistive load) |
| Mechanical Life | 20 × 10⁶ operations |
| Status Indicator | Red LED |
| Insulation | Basic (control/load); reinforced (adjacent devices) |
| Protection | IP20 |
| Terminal Type | Push‑in CAGE CLAMP® |
| Conductor Size | 0.34 … 1.5 mm² / 22 … 16 AWG |
| Strip Length | 9 … 10 mm |
| Dimensions (W × H × D) | 31 × 97 × 73 mm (1.22 × 3.819 × 2.874 in) |
| Mounting | DIN‑35 rail |
| Operating Temp. (UN) | –25 … +70 °C; UL: –25 … +50 °C |
| Weight | 95.2 g |









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