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Schneider SR2B121FU | compact smart relay Zelio Logic - 12 I O - 100.240 V AC - clock - display
Schneider SR2B121FU | compact smart relay Zelio Logic - 12 I O - 100.240 V AC - clock - display - Image 2
Schneider SR2B121FU | compact smart relay Zelio Logic - 12 I O - 100.240 V AC - clock - display - Image 3
Schneider SR2B121FU | compact smart relay Zelio Logic - 12 I O - 100.240 V AC - clock - display - Image 4
Schneider SR2B121FU | compact smart relay Zelio Logic - 12 I O - 100.240 V AC - clock - display - Image 5
Schneider SR2B121FU | compact smart relay Zelio Logic - 12 I O - 100.240 V AC - clock - display
Schneider SR2B121FU | compact smart relay Zelio Logic – 12 I O – 100.240 V AC – clock – display
Schneider SR2B121FU | compact smart relay Zelio Logic – 12 I O – 100.240 V AC – clock – display
Schneider SR2B121FU | compact smart relay Zelio Logic – 12 I O – 100.240 V AC – clock – display
Schneider SR2B121FU | compact smart relay Zelio Logic – 12 I O – 100.240 V AC – clock – display
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Schneider SR2B121FU | compact smart relay Zelio Logic – 12 I O – 100.240 V AC – clock – display

Schneider Electric
Availability:

Out of stock

Schneider SR2B121FU | compact smart relay Zelio Logic – 12 I O – 100.240 V AC – clock – display

10,448.01 EGP 18,996.39 EGP

Out of stock

Schneider SR2B121FU | compact smart relay Zelio Logic – 12 I O – 100.240 V AC – clock – display

 Specifications:

  • Model: SR2B121FU

  • Series: Zelio Logic – Smart Relay

  • Power Supply: 100–240 V AC

  • I/O Configuration:

    • 8 Digital Inputs

    • 4 Relay Outputs

    • 12 Total I/O Points

  • Output Type: Relay (normally open contacts)

  • Display: Integrated LCD screen with navigation keys

  • Clock: Built-in real-time clock (RTC)

  • Programming Interface: Via front panel or PC (USB/serial)

  • Mounting: DIN rail or panel mount

  • Programming Software: Zelio Soft 2 (supports Ladder and FBD)

 Key Features:

  1. All-in-One Compact Controller

    • Combines control logic, scheduling, and monitoring in a single, space-saving unit—perfect for standalone or small-scale automation systems.

  2. 12 I/O Channels

    • 8 inputs for sensors, switches, or contact signals.

    • 4 relay outputs to control loads like lights, motors, and valves (rated for switching up to 8A).

  3. Integrated LCD Display

    • Built-in screen shows status, diagnostics, and allows manual operation. Enables local setup and testing without external devices.

  4. Real-Time Clock

    • The internal RTC allows for scheduled operations, such as timed lighting, pump control, or heating systems.

  5. User-Friendly Programming

    • Use Zelio Soft 2 for intuitive programming with ladder diagrams or function block diagrams. Also programmable from the front panel for quick changes.

  6. AC Powered (100–240V)

    • Operates directly from standard AC supply—no need for external power converters.

  7. Expandable & Modular

    • Can be expanded with additional I/O modules if your application grows, ensuring long-term flexibility.

  8. Reliable Relay Outputs

    • Relay contacts ensure safe switching of both resistive and inductive AC loads, offering reliable performance in automation scenarios.

 Applications:

  • Lighting Automation (e.g. store displays, timed exterior lights)

  • Irrigation Systems (e.g. garden or agricultural automation)

  • Access Control (e.g. timed gate or door opening)

  • HVAC Scheduling (fan, heater, or AC control by time)

  • Small Machine Control (e.g. conveyors, feeders, mixers)

  • Energy Management (e.g. time-based device shutdown/startup)

SKU: SR2B121FU Categories: , , Brand:
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Main
Range of product Zelio Logic
Product or component type Compact smart relay
Complementary
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 100…240 V AC
Supply voltage limits 85…264 V
Supply frequency 50/60 Hz
Maximum supply current 30 mA at 240 V (without extension)
80 mA at 100 V (without extension)
Power consumption in VA 7 VA without extension
Isolation voltage 1780 V
Protection type Against inversion of terminals (control instructions not executed)
Discrete input number 8
Discrete input voltage 100…240 V AC
Discrete input current 0.6 mA
Discrete input frequency 47…53 Hz
57…63 Hz
Voltage state 1 guaranteed >= 79 V for discrete input
Voltage state 0 guaranteed <= 40 V for discrete input
Current state 1 guaranteed >= 0.17 mA (discrete input)
Current state 0 guaranteed <= 0.5 mA (discrete input)
Analogue input number 0
Input impedance 350 kOhm for discrete input
Number of outputs 4 relay
Output voltage limits 5…30 V DC (relay output)
24…250 V AC
Contacts type and composition NO for relay output
Output thermal current 8 A for all 4 outputs for relay output
Electrical durability AC-12: 500000 cycles at 230 V, 1.5 A for relay output conforming to IEC 60947-5-1
AC-15: 500000 cycles at 230 V, 0.9 A for relay output conforming to IEC 60947-5-1
DC-12: 500000 cycles at 24 V, 1.5 A for relay output conforming to IEC 60947-5-1
DC-13: 500000 cycles at 24 V, 0.6 A for relay output conforming to IEC 60947-5-1
Switching capacity in mA >= 10 mA at 12 V (relay output)
Operating rate in Hz 0.1 Hz (at Ie) for relay output
10 Hz (no load) for relay output
Mechanical durability 10000000 cycles for relay output
[Uimp] rated impulse withstand voltage 4 kV conforming to EN/IEC 60947-1 and EN/IEC 60664-1
Clock With
Response time 50 ms with ladder programming (from state 0 to state 1) for discrete input
50 ms with ladder programming (from state 1 to state 0) for discrete input
50…255 ms with FBD programming (from state 0 to state 1) for discrete input
50…255 ms with FBD programming (from state 1 to state 0) for discrete input
10 ms (from state 0 to state 1) for relay output
5 ms (from state 1 to state 0) for relay output
Connections – terminals Screw terminals, 1 x 0.2…1 x 2.5 mm² (AWG 25…AWG 14) semi-solid
Screw terminals, 1 x 0.2…1 x 2.5 mm² (AWG 25…AWG 14) solid
Screw terminals, 1 x 0.25…1 x 2.5 mm² (AWG 24…AWG 14) flexible with cable end
Screw terminals, 2 x 0.2…2 x 1.5 mm² (AWG 24…AWG 16) solid
Screw terminals, 2 x 0.25…2 x 0.75 mm² (AWG 24…AWG 18) flexible with cable end
Tightening torque 0.5 N.m
Overvoltage category III conforming to IEC 60664-1
Net weight 0.25 kg
Environment
Immunity to microbreaks 10 ms
Product certifications GL
GOST
UL
CSA
C-Tick
Standards IEC 61000-4-4 level 3
IEC 60068-2-27 Ea
IEC 61000-4-5
IEC 61000-4-11
IEC 61000-4-12
IEC 61000-4-3
IEC 60068-2-6 Fc
IEC 61000-4-2 level 3
IEC 61000-4-6 level 3
IP degree of protection IP20 (terminal block) conforming to IEC 60529
IP40 (front panel) conforming to IEC 60529
Environmental characteristic EMC directive conforming to IEC 61000-6-2
EMC directive conforming to IEC 61000-6-3
EMC directive conforming to IEC 61000-6-4
EMC directive conforming to IEC 61131-2 zone B
Low voltage directive conforming to IEC 61131-2
Disturbance radiated/conducted Class B conforming to EN 55022-11 group 1
Pollution degree 2 conforming to IEC 61131-2
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
Ambient air temperature for storage -40…70 °C
Operating altitude 2000 m
Maximum altitude transport 3048 m
Relative humidity 95 % without condensation or dripping water
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 6.8 cm
Package 1 Width 8.8 cm
Package 1 Length 10.0 cm
Package 1 Weight 246.0 g
Unit Type of Package 2 S03
Number of Units in Package 2 30
Package 2 Height 30.0 cm
Package 2 Width 30.0 cm
Package 2 Length 40.0 cm
Package 2 Weight 7.892 kg
Contractual warranty
Warranty 18 months
Main
Range of product Zelio Logic
Product or component type Compact smart relay
Complementary
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 100...240 V AC
Supply voltage limits 85…264 V
Supply frequency 50/60 Hz
Maximum supply current 30 mA at 240 V (without extension) 80 mA at 100 V (without extension)
Power consumption in VA 7 VA without extension
Isolation voltage 1780 V
Protection type Against inversion of terminals (control instructions not executed)
Discrete input number 8
Discrete input voltage 100...240 V AC
Discrete input current 0.6 mA
Discrete input frequency 47...53 Hz 57...63 Hz
Voltage state 1 guaranteed >= 79 V for discrete input
Voltage state 0 guaranteed <= 40 V for discrete input
Current state 1 guaranteed >= 0.17 mA (discrete input)
Current state 0 guaranteed <= 0.5 mA (discrete input)
Analogue input number 0
Input impedance 350 kOhm for discrete input
Number of outputs 4 relay
Output voltage limits 5...30 V DC (relay output) 24...250 V AC
Contacts type and composition NO for relay output
Output thermal current 8 A for all 4 outputs for relay output
Electrical durability AC-12: 500000 cycles at 230 V, 1.5 A for relay output conforming to IEC 60947-5-1 AC-15: 500000 cycles at 230 V, 0.9 A for relay output conforming to IEC 60947-5-1 DC-12: 500000 cycles at 24 V, 1.5 A for relay output conforming to IEC 60947-5-1 DC-13: 500000 cycles at 24 V, 0.6 A for relay output conforming to IEC 60947-5-1
Switching capacity in mA >= 10 mA at 12 V (relay output)
Operating rate in Hz 0.1 Hz (at Ie) for relay output 10 Hz (no load) for relay output
Mechanical durability 10000000 cycles for relay output
[Uimp] rated impulse withstand voltage 4 kV conforming to EN/IEC 60947-1 and EN/IEC 60664-1
Clock With
Response time 50 ms with ladder programming (from state 0 to state 1) for discrete input 50 ms with ladder programming (from state 1 to state 0) for discrete input 50...255 ms with FBD programming (from state 0 to state 1) for discrete input 50...255 ms with FBD programming (from state 1 to state 0) for discrete input 10 ms (from state 0 to state 1) for relay output 5 ms (from state 1 to state 0) for relay output
Connections - terminals Screw terminals, 1 x 0.2...1 x 2.5 mm² (AWG 25...AWG 14) semi-solid Screw terminals, 1 x 0.2...1 x 2.5 mm² (AWG 25...AWG 14) solid Screw terminals, 1 x 0.25...1 x 2.5 mm² (AWG 24...AWG 14) flexible with cable end Screw terminals, 2 x 0.2...2 x 1.5 mm² (AWG 24...AWG 16) solid Screw terminals, 2 x 0.25...2 x 0.75 mm² (AWG 24...AWG 18) flexible with cable end
Tightening torque 0.5 N.m
Overvoltage category III conforming to IEC 60664-1
Net weight 0.25 kg
Environment
Immunity to microbreaks 10 ms
Product certifications GL GOST UL CSA C-Tick
Standards IEC 61000-4-4 level 3 IEC 60068-2-27 Ea IEC 61000-4-5 IEC 61000-4-11 IEC 61000-4-12 IEC 61000-4-3 IEC 60068-2-6 Fc IEC 61000-4-2 level 3 IEC 61000-4-6 level 3
IP degree of protection IP20 (terminal block) conforming to IEC 60529 IP40 (front panel) conforming to IEC 60529
Environmental characteristic EMC directive conforming to IEC 61000-6-2 EMC directive conforming to IEC 61000-6-3 EMC directive conforming to IEC 61000-6-4 EMC directive conforming to IEC 61131-2 zone B Low voltage directive conforming to IEC 61131-2
Disturbance radiated/conducted Class B conforming to EN 55022-11 group 1
Pollution degree 2 conforming to IEC 61131-2
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
Ambient air temperature for storage -40…70 °C
Operating altitude 2000 m
Maximum altitude transport 3048 m
Relative humidity 95 % without condensation or dripping water
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 6.8 cm
Package 1 Width 8.8 cm
Package 1 Length 10.0 cm
Package 1 Weight 246.0 g
Unit Type of Package 2 S03
Number of Units in Package 2 30
Package 2 Height 30.0 cm
Package 2 Width 30.0 cm
Package 2 Length 40.0 cm
Package 2 Weight 7.892 kg
Contractual warranty
Warranty 18 months

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