--- product_id: 177096460 title: "Siemens 3UB81234DW2 Solid State Overload Relay, ESP200 Catalog No. 48ATD3S00, 5.5 to 22A, Frame Size A1, 3-Phase, Class 5/10/20/30 Adjustable, Manual/Automatic Reset" brand: "siemens" price: "₩524088" currency: KRW in_stock: true category: "Siemens" url: https://www.desertcart.kr/products/177096460-siemens-3ub81234dw2-solid-state-overload-relay-esp200-catalog-no-48atd3s00 store_origin: KR region: South Korea --- # 5.5-22A adjustable current range Selectable Trip Classes 5/10/20/30 UL & CSA certified safety Siemens 3UB81234DW2 Solid State Overload Relay, ESP200 Catalog No. 48ATD3S00, 5.5 to 22A, Frame Size A1, 3-Phase, Class 5/10/20/30 Adjustable, Manual/Automatic Reset **Brand:** siemens **Price:** ₩524088 **Availability:** ✅ In Stock ## Summary > ⚙️ Power up your protection with precision and zero guesswork! ## Quick Answers - **What is this?** Siemens 3UB81234DW2 Solid State Overload Relay, ESP200 Catalog No. 48ATD3S00, 5.5 to 22A, Frame Size A1, 3-Phase, Class 5/10/20/30 Adjustable, Manual/Automatic Reset by siemens - **How much does it cost?** ₩524088 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/177096460-siemens-3ub81234dw2-solid-state-overload-relay-esp200-catalog-no-48atd3s00) ## Best For - siemens enthusiasts ## Why This Product - Trusted siemens brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **User-Friendly Reset:** Visible and audible reset button ensures quick, confident restart after trips. - • **Certified Reliability:** UL Listed and CSA Certified for trusted industrial-grade performance. - • **Heaterless Solid State Design:** Eliminate heat buildup and reduce cooling costs with advanced solid state overload technology. - • **Wide Current Adjustment Range:** Fine-tune overload settings from 5.5 to 22 amps for versatile application fit. - • **Precision Trip Class Selection:** Easily toggle between 4 trip classes with DIP switches for tailored protection. ## Overview The Siemens 3UB81234DW2 Solid State Overload Relay offers adjustable trip classes (5, 10, 20, 30) via DIP switches, a heaterless design to minimize heat and cooling costs, and a wide current range of 5.5 to 22 amps. UL and CSA certified, it features a removable terminal block with touch-safe terminals and an easy-to-use reset button with visible and audible trip indication, making it a reliable, versatile solution for 3-phase motor protection. ## Description Siemens ESP200 Solid State Overloads. Designed for a wide variety of applications. The field selectable Trip Class 5, 10, 20 or 30 can easily be set by 2 DIP switches. This eliminates the guess factor of an application requirements and provides reduced inventory for multiple applications. The inherent benefits of the ESP200 ultimately results in cost savings for the user. ESP200 has a 4: 1 current adjustment range with a fine adjustment dial labeled in full load amps. The heater less overload minimizes the heat trapped in the enclosures, reduces cost for ventilation or cooling. Easily accessible Reset button, provides visible and audible indications to ensure the tripped overload is ready to re-start. ## Features - Siemens MLFB 3UB81234DW2 or Catalog No 48ATD3S00 - Trip Classes - 5, 10, 20, or 30 Selectable by DIP-switches - Solid State Electronic Overload - No Heaters Required - Removable Terminal Block with Touch safe Terminals - UL Listed, CSA Certified ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B008FMDPQ6 | | Best Sellers Rank | #487,705 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #178 in Overload Relays | | Brand Name | SIEMENS | | Connector Type | Screw | | Contact Current Rating | 22 A | | Contact Material | Metal | | Contact Type | Normally Open | | Current Rating | 22 A | | Customer Reviews | 4.7 4.7 out of 5 stars (4) | | Global Trade Identification Number | 00662643897210 | | Included Components | Overload Relay | | Item Weight | 27.22 g | | Manufacturer | Siemens | | Maximum Switching Current | 22 A | | Model | 48ATD3S00 | | Mounting Type | Direct | | Number of Terminals | 2 | | Operation Mode | Automatic,Manual | | Part Number | 3UB81234DW2 | | Specification Met | CSA, UL | | UPC | 662643897210 | | Unit Count | 1 Count | ## Product Details - **Connector Type:** Screw - **Contact Material:** Metal - **Contact Type:** Normally Open - **Current Rating:** 22 A - **Mounting Type:** Direct ## Images ![Siemens 3UB81234DW2 Solid State Overload Relay, ESP200 Catalog No. 48ATD3S00, 5.5 to 22A, Frame Size A1, 3-Phase, Class 5/10/20/30 Adjustable, Manual/Automatic Reset - Image 1](https://m.media-amazon.com/images/I/41M14G05bTL.jpg) ![Siemens 3UB81234DW2 Solid State Overload Relay, ESP200 Catalog No. 48ATD3S00, 5.5 to 22A, Frame Size A1, 3-Phase, Class 5/10/20/30 Adjustable, Manual/Automatic Reset - Image 2](https://m.media-amazon.com/images/I/81JyHsGwdyL.jpg) ## Frequently Bought Together - Siemens 3UB81234DW2 Solid State Overload Relay, ESP200 Catalog No. 48ATD3S00, 5.5 to 22A, Frame Size A1, 3-Phase, Class 5/10/20/30 Adjustable, Manual/Automatic Reset - Siemens 3UB81234EW2 Solid State Overload Relay, ESP200 Catalog No. 48ATE3S00, 10 to 40A, Frame Size A1, 3-Phase, Class 5/10/20/30 Adjustable, Manual/Automatic Reset --- ## 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.kr/products/177096460-siemens-3ub81234dw2-solid-state-overload-relay-esp200-catalog-no-48atd3s00](https://www.desertcart.kr/products/177096460-siemens-3ub81234dw2-solid-state-overload-relay-esp200-catalog-no-48atd3s00) --- *Product available on Desertcart South Korea* *Store origin: KR* *Last updated: 2026-09-18*