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## Product Overview: WAGO 857-152 JUMPFLEX® Relay Module

The WAGO 857-152 is a slimline, pluggable relay module designed for industrial automation and signal processing. As part of the renowned JUMPFLEX® 857 Series, it combines a space-saving 6 mm width with the robust reliability of Push-in CAGE CLAMP® connection technology.

What sets the 857-152 apart is its gold-plated contacts, making it the primary choice for switching low-level signals where minimal contact resistance and maximum longevity are required.

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### Key Technical Specifications

• Control Side (Input): 24 VDC Nominal Input Voltage.

• Load Side (Output): 1 Changeover Contact (SPDT).

• Contact Material: AgSnO (Silver Tin Oxide) with Gold-plating (Au).

• Switching Current: Up to 6 A (Max).

• Width: Only 6 mm (0.236 inches).

• Connection Type: Push-in CAGE CLAMP® for tool-free, vibration-proof wiring.

• Mounting: DIN-35 rail.

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### Why Choose the WAGO 857-152?

1. Precision for Low Loads: Standard silver contacts can oxidize over time if not "cleaned" by high-voltage arcs. The Gold-plated contacts in the 857-152 prevent oxidation, ensuring reliable switching for PLC inputs and low-current signals.

2. Space-Saving Design: At just 6 mm wide, you can fit more I/O into a smaller control cabinet footprint.

3. Vibration Resistance: The CAGE CLAMP® technology ensures that your connections remain secure even in high-vibration environments like manufacturing floors or transport systems.

4. Maintenance Friendly: The pluggable design allows for the relay to be replaced without disconnecting any wiring, reducing downtime significantly.

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### Common Applications

• PLC Interfacing: Bridging digital outputs to field actuators.

• Signal Isolation: Protecting sensitive control electronics from field-side electrical noise.

• Process Automation: Reliable switching in chemical, water treatment, and food processing plants.

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### Technical Comparison: 857-152 vs. 857-358

While both belong to the 857 series, the 857-152 features gold-plated contacts specifically for low-level switching, whereas the 857-358 (Standard) is typically used for higher power applications where gold plating isn't necessary.