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Electrical, or other field serviceSourcing & Procurement3MediumSolo Operator$ implied

Struggling to find a high-current DC contactor with pulse latching (step latch) that switches state with each pulse without requiring polarity reversal.

Existing high-current contactors are either continuous coil (drain power, require polarity reversal) or latching types that need polarity change; no readily available pulse-latching contactor with 500A DC rating and simple SPST control.

Severity

3Medium

Willingness to Pay

implied

Added

May 2, 2026

App Concept

PulseLatch Pro

A high-current DC contactor that uses pulse-latching technology: each short pulse toggles the state without needing polarity reversal. Designed for harsh automotive environments, rated 500A continuous, with integrated flyback protection and simple two-wire control.

Key Features

500A DC continuous rating at 12V/24V
Pulse latch: toggle ON/OFF with each pulse
No polarity reversal required on control terminals
Sealed and vibration-resistant for under-hood use
Built-in transient suppression

Target Users: Automotive enthusiasts, electric vehicle converters, and 12V battery system designers needing a high-current remote battery disconnect

Revenue Model: $59 per unit retail; $39 wholesale for bulk orders >100 units

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