--- product_id: 173550821 title: "3UB81234CW2 Solid State Overload Relay, ESP200 Catalog No. 48ATC3S00, 3 to 12A, Frame Size A1, 3-Phase, Class 5/10/20/30 Adjustable, Manual/Automatic Reset" brand: "siemens" price: "€ 450.14" currency: EUR in_stock: true category: "Siemens" url: https://www.desertcart.fi/products/173550821-3ub81234cw2-solid-state-overload-relay-esp200-catalog-no-48atc3s00-3 store_origin: FI region: Finland --- # 3-Phase Power Support Manual/Automatic Reset 4:1 Current Adjustment Range 3UB81234CW2 Solid State Overload Relay, ESP200 Catalog No. 48ATC3S00, 3 to 12A, Frame Size A1, 3-Phase, Class 5/10/20/30 Adjustable, Manual/Automatic Reset **Brand:** siemens **Price:** € 450.14 **Availability:** ✅ In Stock ## Summary > ⚡ Upgrade your motor protection game with smart, sleek, and silent power control! ## Quick Answers - **What is this?** 3UB81234CW2 Solid State Overload Relay, ESP200 Catalog No. 48ATC3S00, 3 to 12A, Frame Size A1, 3-Phase, Class 5/10/20/30 Adjustable, Manual/Automatic Reset by siemens - **How much does it cost?** € 450.14 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.fi](https://www.desertcart.fi/products/173550821-3ub81234cw2-solid-state-overload-relay-esp200-catalog-no-48atc3s00-3) ## 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 - • **Heaterless Solid State Design:** Eliminate bulky heaters and reduce enclosure heat for enhanced efficiency and longevity. - • **Precision Trip Class Selection:** Easily toggle between Class 5, 10, 20, or 30 with DIP switches for tailored protection. - • **UL & CSA Certified Reliability:** Industry-trusted certifications guarantee top-tier safety and performance. - • **Visible & Audible Reset Indicator:** Stay informed with clear signals when the relay is ready to restart, minimizing downtime. - • **Touch-Safe Removable Terminal Block:** Simplifies installation and maintenance while ensuring user safety. ## Overview The Siemens 3UB81234CW2 Solid State Overload Relay offers versatile 3-phase motor protection with selectable trip classes (5, 10, 20, 30) via DIP switches, a heaterless design that reduces heat buildup, and a user-friendly removable terminal block. Its 4:1 current adjustment range and manual/automatic reset options provide precise control and easy maintenance, backed by UL and CSA certifications for dependable industrial performance. ## 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 3UB81234CW2 or Catalog No 48ATC3S00 - 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 | B008HOTBSS | | Best Sellers Rank | #358,241 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #115 in Overload Relays | | Brand | SIEMENS | | Brand Name | SIEMENS | | Circuit Breaker Type | Standard | | Current Rating | 12 Amps | | Global Trade Identification Number | 00662643897203 | | Included Components | Overload Relay | | Item Dimensions D x W x H | 30"D x 8"W x 6"H | | Item Weight | 8 ounces | | Manufacturer | Siemens | | Model | 48ATC3S00 | | Mounting Type | Direct | | Part Number | 3UB81234CW2 | | Product Dimensions | 30"D x 8"W x 6"H | | UPC | 662643897203 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** SIEMENS - **Circuit Breaker Type:** Standard - **Current Rating:** 12 Amps - **Mounting Type:** Direct - **Product Dimensions:** 30"D x 8"W x 6"H ## Images ![3UB81234CW2 Solid State Overload Relay, ESP200 Catalog No. 48ATC3S00, 3 to 12A, Frame Size A1, 3-Phase, Class 5/10/20/30 Adjustable, Manual/Automatic Reset - Image 1](https://m.media-amazon.com/images/I/41B2RF-sxuL.jpg) ## Frequently Bought Together - Siemens 3UB81234CW2 Solid State Overload Relay, ESP200 Catalog No. 48ATC3S00, 3 to 12A, Frame Size A1, 3-Phase, Class 5/10/20/30 Adjustable, Manual/Automatic Reset - Siemens Q2100 100-Amp Double Pole Type QP Circuit Breaker - Siemens Q120 20-Amp Single Pole Type QP Circuit Breaker --- ## 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.fi/products/173550821-3ub81234cw2-solid-state-overload-relay-esp200-catalog-no-48atc3s00-3](https://www.desertcart.fi/products/173550821-3ub81234cw2-solid-state-overload-relay-esp200-catalog-no-48atc3s00-3) --- *Product available on Desertcart Finland* *Store origin: FI* *Last updated: 2026-07-23*