Schneider Electric SR2B121B
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Schneider Electric SR2B121B

SKU: PL26902808554
MPN: SR2B121B

Compact smart relay, 12 I,O, 24v; NO. of analogue inputs:-; NO. of analogue outputs:-; NO. of digital inputs:8; NO. of digital outputs:4; meter display type:lcd; ip , nema rating:IP20, IP40; product range:zelio logic series; svhc:NO rohs compliant: yessr2

This Schneider Electric SR2B121B is supplied brand new by PartLogic for machine control, process automation, industrial communication, equipment maintenance and replacement applications. It forms part of our Industrial automation > Plc controllers > Smart relays range and is referenced internally as PartLogic SKU PL26902808554.

Brand New - 12 Months Warranty
$498.97 (inc. GST)
In Stock
Range of product Zelio Logic
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 AC
Supply voltage limits 20.4…28.8 V
Supply frequency 50/60 Hz
Maximum supply current 145 mA (without extension)
Power consumption in VA 4 VA without extension
Isolation voltage 1780 V
Protection type Against inversion of terminals (control instructions not executed)
Discrete input number 8
Discrete input voltage 24 V AC
Discrete input current 4.4 mA
Discrete input frequency 57...63 Hz | 47...53 Hz
Voltage state 1 guaranteed >= 14 V for discrete input
Voltage state 0 guaranteed <= 5 V for discrete input
Current state 1 guaranteed >= 2 mA (discrete input)
Current state 0 guaranteed <= 0.5 mA (discrete input)
Analogue input number 0
Input impedance 4.6 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
Immunity to microbreaks 10 ms repeated 20 times
Product certifications C-Tick | CSA | GL | UL | GOST
Standards IEC 61000-4-3 | IEC 61000-4-4 level 3 | IEC 61000-4-11 | IEC 60068-2-27 Ea | IEC 61000-4-5 | IEC 61000-4-6 level 3 | IEC 61000-4-2 level 3 | IEC 60068-2-6 Fc | IEC 61000-4-12
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
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 6.600 cm
Package 1 Width 9.100 cm
Package 1 Length 10.000 cm
Package 1 Weight 243.000 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 7.763 kg

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