--- product_id: 803856881 title: "RB121‑115VUC Interface Relay Module • 1 C/O Contact • 115 V AC/DC Coil • Plug in Relay with LED Indicator • Screw Terminals • 6 mm Wide • IP20 • Industrial Control Relay" brand: "abb" price: "S/.251" currency: PEN in_stock: true category: "Abb" url: https://www.desertcart.pe/products/803856881-rb121-115vuc-interface-relay-module-1-c-o-contact-115 store_origin: PE region: Peru --- # 115 V AC/DC universal coil Slim 6 mm DIN-rail housing 1 C/O (SPDT) flexible contact RB121‑115VUC Interface Relay Module • 1 C/O Contact • 115 V AC/DC Coil • Plug in Relay with LED Indicator • Screw Terminals • 6 mm Wide • IP20 • Industrial Control Relay **Brand:** abb **Price:** S/.251 **Availability:** ✅ In Stock ## Summary > ⚙️ Power your control with precision and style — don’t get left behind! ## Quick Answers - **What is this?** RB121‑115VUC Interface Relay Module • 1 C/O Contact • 115 V AC/DC Coil • Plug in Relay with LED Indicator • Screw Terminals • 6 mm Wide • IP20 • Industrial Control Relay by abb - **How much does it cost?** S/.251 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pe](https://www.desertcart.pe/products/803856881-rb121-115vuc-interface-relay-module-1-c-o-contact-115) ## Best For - abb enthusiasts ## Why This Product - Trusted abb brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact 6 mm Slim Design:** Maximize your control panel space without sacrificing performance. - • **Universal 115 V AC/DC Coil:** Seamlessly powers your control systems with versatile voltage compatibility. - • **Integrated LED Status Indicator:** Instant visual confirmation of relay activation for foolproof monitoring. - • **Robust Screw Terminal Connections:** Secure, vibration-resistant wiring ensures long-term industrial reliability. - • **Certified Industrial-Grade Quality:** Meets IEC & UL standards for trusted, global compliance and durability. ## Overview The ABB RB121-115VUC is a high-performance interface relay module featuring a universal 115 V AC/DC coil, a single changeover contact for versatile circuit control, and a slim 6 mm housing designed for space-saving DIN-rail mounting. Equipped with an LED indicator and secure screw terminals, it delivers reliable, industrial-grade switching that meets international IEC and UL standards, making it the go-to choice for professional automation and process control applications. ## Description For your safety, it is crucial to purchase only genuine, ABB-manufactured electrical products (inclusive of those branded GE or GE by ABB and now manufactured by ABB). Counterfeit and non-authentic products may fail to meet safety standards, putting you at risk. To ensure you receive safe, reliable products, check the product description and photos and verify that the product is described as an ABB, GE, or GE by ABB product and has labels with an ABB, GE, or GE by ABB logo. Please also check the product description to see if the product has been certified by third-party certification bodies such as UL, IC and/or Intertek.ABB acquired GE's Industrial Solutions business in 2018 and continues to manufacture GE, GE by ABB, and ABB branded products under a license from GE.For warranty information, please contact the manufacturer's customer service directly. You may also be able to find warranty information on the manufacturer's website. ## Features - INTERFACE RELAY FOR SIGNAL SWITCHING AND ISOLATION – The ABB RB121‑115VUC is a pluggable interface relay module designed to switch and isolate control signals in industrial automation, machinery, and process control applications. - 115 V AC/DC UNIVERSAL COIL WITH LED STATUS INDICATION – This relay features a universal coil that operates on 115 V AC or DC, combined with an integrated LED indicator to provide clear visual feedback when the coil is energized. - ONE CHANGEOVER CONTACT FOR FLEXIBLE CIRCUIT CONTROL – Equipped with a single changeover (SPDT) contact, the relay enables reliable switching between two circuits, making it suitable for interlocking, control, and monitoring functions. - SLIM 6 MM HOUSING WITH SCREW TERMINAL CONNECTIONS – The narrow 6 mm housing saves valuable DIN‑rail space in control panels, while the screw terminal connections ensure a secure, vibration‑resistant wiring method for long‑term reliability. - ABB: BUILT FOR RELIABILITY AND COMPLIANCE – The RB121‑115VUC is designed for long service life and dependable switching performance, meeting international IEC and UL standards for use in industrial applications worldwide. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B00UUCIGDG | | Brand | ABB | | Coil Voltage | 115 Volts | | Connector Type | Clamp | | Contact Current Rating | 1 Amps | | Contact Material | Steel | | Contact Type | Normally Closed | | Current Rating | 1 Amps | | Date First Available | March 17, 2015 | | Item Weight | 0.704 ounces | | Manufacturer | ABB | | Manufacturer Part Number | 1SNA645003R0500 | | Maximum Switching Current | 15 Amps | | Maximum Switching Voltage | 115 Volts | | Mounting Type | Wall Mount | | Operation Mode | Automatic | | Specification Met | IP67 | ## Product Details - **Connector Type:** Clamp - **Contact Material:** Steel - **Contact Type:** Normally Closed - **Current Rating:** 1 Amps - **Mounting Type:** Wall Mount ## Images ![RB121‑115VUC Interface Relay Module • 1 C/O Contact • 115 V AC/DC Coil • Plug in Relay with LED Indicator • Screw Terminals • 6 mm Wide • IP20 • Industrial Control Relay - Image 1](https://m.media-amazon.com/images/I/61pPdKbcLaL.jpg) --- ## 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.pe/products/803856881-rb121-115vuc-interface-relay-module-1-c-o-contact-115](https://www.desertcart.pe/products/803856881-rb121-115vuc-interface-relay-module-1-c-o-contact-115) --- *Product available on Desertcart Peru* *Store origin: PE* *Last updated: 2026-05-26*