Schneider-Electric
 
SR2B121B picture- web-product-data-sheet
SR2B121B
compact smart relay, Zelio Logic SR2 SR3, 12 IO, 24V AC, clock, display
Schneider Electric
Characteristics
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 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
Environment
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
Packing Units
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
Offer Sustainability
Sustainable offer status Green Premium product
REACh Regulation
print REACh Declaration
EU RoHS Directive Pro-active compliance (Product out of EU RoHS legal scope)
Mercury free Yes
RoHS exemption information
print Yes
China RoHS Regulation
print China RoHS declaration
Environmental Disclosure
print Product Environmental Profile
Circularity Profile
print End of Life Information
WEEE The product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins
California proposition 65 "WARNING: This product can expose you to chemicals including: Lead and lead compounds, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov"
Contractual warranty
Warranty 18 months