--- product_id: 157247595 title: "4PRO ATS-125A-4P-rs, 50/60Hz Automatic Changeover Transfer Switch" brand: "4pro" price: "62935 som" currency: KGS in_stock: true category: "4 Pro" url: https://www.desertcart.kg/products/157247595-4pro-ats-125a-4p-rs-50-60hz-automatic-changeover-transfer store_origin: KG region: Kyrgyzstan --- # 125A high current rating Supports 1-3 phase, multi-voltage 1-2 sec ultra-fast switching 4PRO ATS-125A-4P-rs, 50/60Hz Automatic Changeover Transfer Switch **Brand:** 4pro **Price:** 62935 som **Availability:** ✅ In Stock ## Summary > ⚡ Power up your uptime with the 4PRO ATS-125A-4P-rs – where reliability meets speed! ## Quick Answers - **What is this?** 4PRO ATS-125A-4P-rs, 50/60Hz Automatic Changeover Transfer Switch by 4pro - **How much does it cost?** 62935 som with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kg](https://www.desertcart.kg/products/157247595-4pro-ats-125a-4p-rs-50-60hz-automatic-changeover-transfer) ## Best For - 4pro enthusiasts ## Why This Product - Trusted 4pro brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smart Remote Control:** Generator start/stop outputs enable effortless remote management and automation. - • **Rugged & Reliable Design:** IP54 protection, 10,000 life cycles, and high impulse withstand voltage for industrial-grade durability. - • **Seamless Power Continuity:** Automatic & manual modes ensure zero downtime with lightning-fast 1-2 second transfer. - • **Built-In Safety Interlocks:** Mechanical and electrical interlocking guarantees safe, fail-proof switching every time. - • **Versatile Multi-Phase Compatibility:** Works flawlessly across 1 to 3 phase systems and multiple voltage standards for ultimate flexibility. ## Overview The 4PRO ATS-125A-4P-rs is a robust automatic changeover transfer switch designed for seamless power source switching in 1-3 phase electrical systems. Rated for 125A and supporting multiple voltage configurations, it features ultra-fast 1-2 second switching, remote generator control, and built-in mechanical and electrical interlocks for maximum safety. With IP54 protection and up to 10,000 switching cycles, it delivers industrial-grade reliability and flexibility for critical power management. ## Description DESCRIPTION The AT S-125A-rs changeover switch is designed to automatically transfer load circuits from main power source to reserve source in a wide variety of 1-3 phase applications. FEATURES - Electric motor gear activated switching; - 1-3 phase 4 pole operation; - Auto and Manual mode switch; - 3 position switch handle(”I”-”0”-”II”); - Generator start/stop remote control outputs; - High reliability and low power consumption due to fixed positions of the change-over mechanism energized during switching process only; - Front side position indication pointer and external lamp outputs; - Control signal protection fuses; - Built-in mechanical and electrical interlocking. INPUTS AND OUTPUTS - Normal source inputs: R, S, T, N; - Reserve source inputs: R, S, T, N; - Load cirquit outputs: R, S, T, N; - External indication lamp outputs. TECHNICAL SPECIFICATIONS - Rated Operating Voltage: 230/400V(2-3 phase), 230V (1 phase), 120/208V(3 phase), 120/240V (2 phase). - Voltage frequency: 50/60Hz. - Switching poles: 4 - Rated operating current: up to 125А per device pole; - Working temperature range: от -5'C до +40'C; - Humidity: up to 95%; - Installation type: vertical; - Switching current: up to 0.5A; - Switching time: 1-2 sec; - Rated insulation voltage: 800V - Rated impulse withstand voltage: 8kV - Rated making capability: 10KA - Rated short-time withstand currrent Ie 30ms:17KA - Nominal control supply voltage: 230VAC - Life switching cycles: up to 10000; - Use category: AC-331B; - Altitude: up to 2000 meters; - Protection class: IP30 - Weight: 2.2 kg. ## Features - Generator remote start/stop outputs - Suitable for 230V (1 phase), 230/400V(2-3 phase), 120/208V(3 phase), 120/240V (2 phase) 50/60Hz. source switching - Automatic / Manual switching modes with an additional load disconnected position. - External indicator connections. Built-in mechanical and electrical interlocking; ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07WDBP765 | | Actuator Type | Rotary | | Brand Name | 4PRO | | Circuit Type | 4-way | | Connectivity Protocol | X-10 | | Connector Type | Screw Terminals | | Contact Material | Metal | | Contact Type | Normally Open | | Control Method | Remote | | Current Rating | 125 Amps | | International Protection Rating | IP54 | | Item Dimensions | 8.82 x 4.8 x 3.27 inches | | Item Weight | 2.5 Kilograms | | Manufacturer | 4PRO | | Material Type | Changeover | | Mounting Type | Panel Mount, Surface Mount | | Number of Items | 1 | | Number of Positions | 3 | | Operating Voltage | 240 Volts | | Operation Mode | Automatic | | Switch Type | Mechanical | | UPC | 636601330712 | | Unit Count | 1.0 Count | | Wattage | 21450 watts | ## Product Details - **Brand:** 4PRO - **Circuit Type:** 4-way - **Connector Type:** Screw Terminals - **Contact Type:** Normally Open - **Current Rating:** 125 Amps - **Item dimensions L x W x H:** 8.82 x 4.8 x 3.27 inches - **Material:** Changeover - **Operating Voltage:** 240 Volts - **Operation Mode:** Automatic - **Switch Type:** Mechanical ## Images ![4PRO ATS-125A-4P-rs, 50/60Hz Automatic Changeover Transfer Switch - Image 1](https://m.media-amazon.com/images/I/819t3wqwgWL.jpg) ## Frequently Bought Together - 4PRO ATS-125A-4P-rs, 50/60Hz Automatic Changeover Transfer Switch - Chtaixi AC Miniature Circuit Breaker, 32 Amp 120V/240V 2 Pole DIN Rail Mount Circuit Breaker, Thermal Magnetic Trip, Solar AC Disconnect Switch MCB C32 - Mollom 6 Way Power Distribution Box with Bus Bars and Din Rail for Miniature Circuit Breaker MCB, Waterproof IP66.Padlock Available for Indoor and Outdoor Use --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.kg/products/157247595-4pro-ats-125a-4p-rs-50-60hz-automatic-changeover-transfer](https://www.desertcart.kg/products/157247595-4pro-ats-125a-4p-rs-50-60hz-automatic-changeover-transfer) --- *Product available on Desertcart Kyrgyzstan* *Store origin: KG* *Last updated: 2026-05-15*