Relay Integrated Interlock System

Description: The Relay Integrated Interlock System is a hardwired safety and control solution designed to manage sequential operations and prevent unsafe conditions in electrical or process systems.
It uses industrial-grade relays, timers, and logic circuits to control pumps, valves, and alarms — ensuring that each component operates only when the correct safety conditions are met.
This system offers rugged reliability, simplicity, and fail-safe performance, making it ideal for fuel skids, pumpstations, refueling systems, and plant automation panels where PLC-free control is preferred.

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Specification:

System Type: Relay-based Interlock & Control Logic System
Control Voltage: 12 V DC / 24 V DC / 110 V AC / 230 V AC
Relay Type: Electromechanical / Solid-State (custom)
Number of Interlocks: 4–32 Channels (expandable)
Logic Functions: AND / OR / NOT / Time Delay / Latching
Timer Modules: On-Delay, Off-Delay, and Safety Timers (0.5–300 sec)
Output Capacity: 5A – 10A Resistive Load
Input Type: Potential-Free Contacts or Sensors (NO/NC)
Alarm Integration: Built-in Buzzer or External Horn Output
Safety Design: Fail-Safe Relay Wiring (De-energize to Trip)
Enclosure: IP54 / IP65 Panel Mount or Wall-Mounted Box
Indication: LED Indicators for Each Relay Channel
Wiring Interface: Screw Terminal / Plug-in Base Relays
Compliance: CE / IEC / ISO 13849

Features:

 Hardwired safety logic for reliable, fail-safe interlock control.
 Simple, maintenance-friendly design — no PLC programming required.
 Customizable relay logic for sequencing, permissive control, and shutdown.
 Built-in timers and alarms for process delay and operator warning functions.
 Rugged industrial components ensure long service life in harsh environments.
 Visual LED indication for easy fault and system status monitoring.
 Flexible input/output options to integrate sensors, pumps, valves, or alarms seamlessly.

Relay Interlock System – FAQs

A hardwired logic system for safety and sequencing.

4 to 32 channels.

AND, OR, timer, and latch logic.

Electromechanical or solid-state.

IP54 or IP65 panel/wall mount.

Fuel skids, pumps, valves, and safety circuits.

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                    About Us

Intense dedication is the absolute cornerstone of
HR Auto Solutions. Since our establishment in 2017, we have devoted ourselves to a purpose greater than manufacturing—to engineer and supply high-reliability solutions for critical fluid transfer, metering, and safety within the fueling industry.
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