Many procurement teams check ELECTRIC-SR2A101BD against Schneider VFD, Phoenix Slim Relay and Schneider Electric before signing purchase orders, verifying quality, compliance, and after-sales support availability.
SR2A101BD: Schneider 24V DC Smart Relay
| Brand | Schneider |
| Product Type | Programmable Logic Controller (PLC) |
| Product | SR2A101BD |
Schneider 24V DC Smart Relay SR2A101BD Technical Specifications:
| Specification | Value |
|---|---|
| Cycle time | 6…90 ms |
| Isolation voltage | - |
| Supply voltage limits | 19.2…30 V |
| Discrete input frequency | - |
| Maximum supply current | 100 mA (without extension) |
| Electrical durability | AC-12: 500000 cycles at 230 V, 1.5 A for relay output conforming to IEC 60947-5-1AC-15: 500000 cycles at 230 V, 0.9 A for relay output conforming to IEC 60947-5-1DC-12: 500000 cycles at 24 V, 1.5 A for relay output conforming to IEC 60947-5-1DC-13: 500000 cycles at 24 V, 0.6 A for relay output conforming to IEC 60947-5-1 |
| Power consumption in VA | - |
| Output voltage limits | 24...250 V AC (relay output)5...30 V DC (relay output) |
| Switching capacity in mA | >= 10 mA at 12 V (relay output) |
| Product or component type | Compact smart relay |
| Counting Frequency | 1 kHz for discrete input |
| Protection type | - |
| [Us] rated supply voltage | 24 V DC |
| Input impedance | 12 kOhm for IB...IG used as analogue input circuit12 kOhm for IB...IG used as discrete input circuit7.4 kOhm for I1...IA and IH...IR discrete input circuit |
| Discrete input current | 4 mA |
| Operating rate in Hz | 0.1 Hz (at Ie) for relay output10 Hz (no load) for relay output |
| Connections - terminals | Screw terminals, 1 x 0.2...1 x 2.5 mm² (AWG 25...AWG 14) semi-solidScrew terminals, 1 x 0.2...1 x 2.5 mm² (AWG 25...AWG 14) solidScrew terminals, 1 x 0.25...1 x 2.5 mm² (AWG 24...AWG 14) flexible with cable endScrew terminals, 2 x 0.2...2 x 1.5 mm² (AWG 24...AWG 16) solidScrew terminals, 2 x 0.25...2 x 0.75 mm² (AWG 24...AWG 18) flexible with cable end |
| Discrete input type | Resistive |
| Range of product | Zelio Logic |
| Overvoltage category | III conforming to IEC 60664-1 |
| Current state 1 guaranteed | >= 1.2 mA (IB...IG used as discrete input circuit)>= 2.2 mA (I1...IA and IH...IR discrete input circuit) |
| Number of outputs | 4 relay |
| Reverse polarity protection | With |
| Ambient air temperature for operation | -20…40 °C in non-ventilated enclosure conforming to IEC 60068-2-1 and IEC 60068-2-2-20…55 °C conforming to IEC 60068-2-1 and IEC 60068-2-2 |
| Power dissipation in W | 3 W without extension |
| Output thermal current | 8 A for all 4 outputs for relay output |
| Supply frequency | - |
| Operating altitude | 2000 m |
| Input compatibility | 3-wire proximity sensors PNP for discrete input |
| Net weight | 0.25 kg |
| Discrete input voltage | 24 V DC |
| Tightening torque | 0.5 N.m |
The Schneider SR2A101BD is a compact smart relay operating at 24V DC, engineered to deliver precise control in automation systems. It features a supply voltage range of 19.2V to 30V and supports a maximum supply current of 100 mA (without extension). The unit provides 4 relay outputs with an output thermal current of 8A, making it suitable for controlling multiple external devices. Its output voltage capability spans 24–250V AC and 5–30V DC, ensuring compatibility across a wide range of industrial applications.
The SR2A101BD smart relay offers a cycle time of 6–90 ms and a counting frequency of up to 1 kHz. It operates efficiently with discrete input voltage of 24V DC, supported by input impedance levels of 7.4 kΩ to 12 kΩ, depending on the circuit configuration. The product conforms to IEC 60947-5-1 standards with electrical durability rated at 500,000 switching cycles. It includes reverse polarity protection and is designed for altitudes up to 2000 meters, operating reliably between -20°C to +55°C. With a net weight of 0.25 kg and screw terminal connections, the Schneider 24V DC Smart Relay ensures easy installation and long-lasting performance.
The Schneider SR2A101BD is widely used in small machine control panels, packaging systems, conveyor systems, HVAC panels, and water treatment units. Its compact size and versatile I/O configuration make it ideal for applications where space is limited but reliability is critical. Whether you're automating start/stop sequences or managing timers, this smart relay can simplify logic control without needing a full PLC setup.
For electrical maintenance teams in industries like FMCG, automotive, and material handling, the SR2A101BD offers plug-and-play usability with intuitive screw terminals and compatibility with proximity sensors. Engineering students and junior engineers will also find it useful for learning PLC basics and implementing real-world automation logic at a small scale. It is especially effective in replacing traditional relay logic in older systems with modern programmable logic, improving flexibility and diagnostics. By integrating the SR2A101BD Schneider 24V DC Smart Relay, industries gain an entry-level yet powerful automation controller.
