The Schneider Electric SR2B122BD is a Zelio Logic smart relay: compact smart relay, Zelio Logic SR2 SR3, 12 IO, 24V DC, clock, display, 4 transistor outputs.
Smart relays are popular in building services and simple machines because they are cheap, compact and easy to program.
See our Schneider Electric range.
Technical data
| Schneider reference | SR2B122BD |
|---|---|
| Product or component type | Compact smart relay |
| Local display | With |
| Number or control scheme lines | 0 … 240 with ladder programming; 0 … 500 with FBD programming |
| Cycle time | 6 … 90 ms |
| Backup time | 10 years at 25 °C |
| Clock drift | 12 min/year at 0 … 55 °C; 6 s/month at 25 °C |
| Checks | Program memory on each power up |
| [Us] rated supply voltage | 24 V DC |
| Supply voltage limits | 19.2 … 30 V |
| Maximum supply current | 100 mA (without extension) |
| Power dissipation in W | 3 W without extension |
| Reverse polarity protection | With |
| Discrete input number | 8 conforming to IEC 61131-2 Type 1 |
| Discrete input type | Resistive |
| Discrete input voltage | 24 V DC |
| Discrete input current | 4 mA |
| Counting frequency | 1 KHz for discrete input |
| Voltage state 1 guaranteed | >= 15 V for I1…IA and IH…IR discrete input circuit; >= 15 V for IB…IG used as discrete input circuit |
| Voltage state 0 guaranteed | <= 5 V for I1…IA and IH…IR discrete input circuit; <= 5 V for IB…IG used as discrete input circuit |
| 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) |
| Condition | New, original Schneider Electric |
At a glance
- compact smart relay
- Zelio Logic SR2 SR3
- 12 IO
- 24V DC
- clock
- display
- 4 transistor outputs
Typical applications
- Small machines and timers replacement
- Pump and tank level control
- Replacement of a failed Zelio Logic module
- Lighting, door and barrier control
Compatibility and replacement
Programs can be transferred with the SR2USB01 cable or memory cartridge (SR2MEM02).
Frequently asked questions
Which software programs it?
Zelio Soft 2, free from Schneider, or directly from the front keypad on models with a display.
Do you ship to my country, and what is the warranty?
Yes. RendatSP ships worldwide from Yiwu, China, by air in 5 to 7 days once the part is ready, and every part carries a 1-year warranty. Send the order number and quantity on WhatsApp and we will reply with a quotation.
How to order
Message us the order number and quantity. For breakdowns, tell us the delivery address and we will offer the fastest shipping option. If the exact part is discontinued, we confirm the official successor before quoting.
RendatSP ships from Yiwu, China, to factories worldwide; air delivery usually takes 5 to 7 days once the part is ready. The part is new and original with a 1-year warranty (shipping, payment and warranty). For a quotation, message us on WhatsApp with the order number and quantity. We also have agents in Saudi Arabia, Iraq, the UAE, Egypt, Oman, Libya, Morocco, Mauritania, Yemen, Algeria and Jordan.
