Schneider Electric RSB2A080BD | Harmony Interface Plug-In Relay – 2 C/O, 8 A, 24 VDC

Overview

The RSB2A080BD is a compact, plug-in DPDT (double-pole, double-throw) interface relay from Schneider Electric’s Harmony series. Engineered for reliable signal control in automation and machinery systems, this relay offers a cost-effective, space-efficient solution for high-density switching requirements. Its transparent cover and ability to plug into standard sockets make it exceptionally serviceable and visually intuitive.

Key Specifications & Features

• Contact Rating & Configuration

  • Two changeover (C/O) contacts, each rated for 8 A at 250 V AC or 28 V DC (NO) and 4 A at the same voltages (NC) Distributor Data SolutionsFarnell.

• Coil & Control Characteristics

  • Operated with a 24 V DC coil (control voltage range: ~19.2–26.4 V DC) with an average coil resistance of 1,440 Ω at 20 °C. Coil consumption is approximately 0.45 W. Distributor Data SolutionsFarnell

• Durability & Reliability

  • Electrical endurance: ≥100,000 cycles at full load (8 A, 250 V AC, NO); mechanical life rated at 30 million cycles. Distributor Data SolutionsFarnell

  • Switching speed: approximately 9 ms activation, 4 ms release. Farnell

  • B10d (mean number of safe operations): 100,000, for high reliability. Distributor Data SolutionsFarnell

• Construction & Safety

  • Contact material: durable silver alloy (AgNi)

  • Insulation and impulse withstand voltage: up to 400 V, with dielectric strength up to 5,000 V AC between coil and contact Distributor Data SolutionsFarnell

  • IP rating: IP40 when mounted in its socket; transparent cover allows instant visual status check Schneider Electric+1

• Protection & Certifications

  • Robust against reverse polarity, short-circuit, and electrical interference (IEC 61000-4-5 standard compliance)

  • Certifications: CE, UL 508, CSA C22.2 No. 14, IEC 61810-1 Distributor Data SolutionsFarnell

• Physical & Environmental Specifications

  • Operating temp: –40 °C to +85 °C

  • Shock/vibration resistance: 10 g (non-operating) and 5 g (operating) with 11 ms durations

  • Vibration resilience: ±1 mm at 10–55 Hz per IEC 60068-2-6 Distributor Data SolutionsFarnell

  • Product weight: ~14 g

  • Coil drop-out voltage: ≥ 0.1 × Uc DC RS Components

• Environmental Credentials

  • Low carbon footprint: estimated 5 kg CO₂ eq for its full lifecycle

  • Packaging: minimum 70% recycled cardboard

  • Sustainable design ethos: “Use Better, Use Longer, Use Again” initiative Schneider ElectricRS Components

Benefits & Ideal Applications

• High-Density Switching Capability: DPDT functionality enables versatile switching tasks—ideal for control panels, logic relay substitutions, and safety circuits.

• Plug-In Design: Speeds up installation and maintenance while minimizing downtime.

• Durable and Reliable: Long mechanical and electrical life ensures dependable performance in demanding industrial environments.

• Safe and Efficient: Visual contact inspection and solid electrical ratings ensure operator safety and system integrity.

• Eco-Conscious Choice: Built and packaged with sustainability in mind.

Typical usage:
Thick-current switching in industrial controls, conveyor systems, machine logic layers, and general-purpose automation where reliable, removable relay solutions are required.

Summary

The Schneider Electric RSB2A080BD is a compact, high-performance DPDT plug-in relay offering robust durability, simple serviceability, and sustainability—all within a compact footprint. Rated for 8 A switching with excellent endurance and protective features, it is an ideal choice for modern industrial automation systems.