SR2B121FU | compact smart relay Zelio Logic – 12 I O – 100..240 V AC – clock – display – Schneider Electric

Name: Zelio Logic Smart Relay SR2B121FU | Schneider Electric
Brand: Schneider Electric
SKU: SR2B121FU
Price: 12646.98 INR
Availability: InStock

SKU: SR2B121FU

Original price was: ₹24,798.00.Current price is: ₹12,646.98. Excl. GST

In stock

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Sourced through authorised channels, the Schneider Electric SR2B121FU relay from the Zelio Logic range delivers dependable performance for motor control and switching. Key ratings include IP20 (terminal block). myelectric.in stocks the SR2B121FU | compact smart relay Zelio Logic – 12 I O – 100..240 V AC – clock – display for contractors, panel builders, and project buyers — buy online with GST invoice, or request a bulk quote for domestic supply and export to UAE, Singapore, UK, USA, Sri Lanka and more.

📋 Technical Specifications

Product
Brand	Schneider Electric
Part Number / SKU	SR2B121FU
Category	Relay
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
Product 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	6.800 cm
Package 1 Width	9.000 cm
Package 1 Length	10.000 cm
Package 1 Weight	246.000 g
Unit Type of Package 2	S03
Number of Units in Package 2	30
Package 2 Height	30.000 cm
Package 2 Width	30.000 cm
Package 2 Length	40.000 cm
Package 2 Weight	7.885 kg
Contractual warranty
Warranty (in months)	18

⚡ Key Features

Manufactured to IEC 60947-5-1 — complies with the applicable Indian BIS and IEC international standards for this product category.
BIS certified, CE marked, RoHS compliant — meets Indian regulatory requirements for use in government, commercial, and industrial electrical installations.
Genuine authorised Schneider Electric product — sourced directly from the official distribution network with full manufacturer traceability and warranty.
GST invoice provided for India orders — valid for corporate procurement, government project orders, and public tender supply via myelectric.in.
Worldwide export available — UAE, Singapore, UK, USA, Sri Lanka & more. Contact +91 94814 00316 for bulk pricing and international shipping.

🔗 Compatible Products & Accessories

The following genuine accessories and compatible devices are designed to work with this product. Contact myelectric.in for pricing and availability:

SR2CBL01SR2MEM02SR2COM01

❓ Frequently Asked Questions

Q: Can the SR2B121FU relay be mounted on a DIN rail socket for easy replacement?

A: This Schneider Electric relay typically requires direct panel or DIN rail wiring. For applications requiring frequent relay replacement, consider the plug-in relay variant of this series with a matching socket base.

Q: How do I test the SR2B121FU relay in the field without a signal source?

A: Most Schneider Electric relays can be manually forced using the test button (if fitted) — this mechanically closes the relay contacts without energising the coil, allowing functional testing of the controlled circuit. For coil testing, use a multimeter to measure coil resistance (typically 500–2000Ω for AC coils at rated voltage) and compare with datasheet values.