SR2B121BD TELEMECANIQUE, SR2B121BD Datasheet - Page 16

• Manufacturer Part Number: SR2B121BD
• Description: RELAY, ZELIO, 24VDC, 8 DI/4 RO
• Manufacturer: TELEMECANIQUE

Specifications of SR2B121BD

• No. Of Analogue Inputs: 4
• No. Of Digital Inputs: 4
• No. Of Digital Outputs: 4
• Approval Bodies: CSA, UL
• External Depth: 59.5mm
• External Length / Height: 90mm
• External Width: 72mm
• Brand/series: Zelio
• Clock: Yes
• Dimensions: 71.2 × 59.5 × 107.6 mm
• Display: Yes
• Function: Programmable
• Number Of Inputs And Outputs: 12
• Number Of Outputs: 4 Relay
• Number Of Pins: 12
• Relay Type: Solid State
• Voltage, Control: 24 VDC
• Inputs: 24 VDC
• Outputs: 8 Amp, 250 VACFeatures
• For Use With: Simple

Schemes
(1) 1 A quick-blow fuse or circuit-breaker.
(2) Fuse or circuit-breaker.
(3) Inductive load.
SR2 B121B
a 24 V
SR2 p101FU
c 100…240 V
50/60 Hz
N
L /
(1) 1 A quick-blow fuse or circuit-breaker.
(2) Fuse or circuit-breaker.
(3) Inductive load.
L /
N /
L
N /
+
SR2 ppppBD
c 24 V
SR2 B121JD
c 12 V
–
Connection of smart relays on c supply
SR2 pppp BD, SR2 B121JD, SR2 p 201BD and SR3 B10 ppp
Connection of smart relays on a supply
SR2 B ppp B, SR2 A1 p 1FU, SR2 p 201FU, SR3 B pp B and SR3 B ppp FU
+
+
z 12…240 V
c 12…24 V
–
–
z 12…240 V
c 12…24 V
50/60 Hz
50/60 Hz
(1)
(2)
(1)
(2)
L N
+
Q1
Q1
–
Q2
Q2
I1 I2 I3 I4 I5 I6
I1 I2 I3 I4 IB IC ID IE
(continued)
Q3
Q3
Q4
Q4
c 12…24 V
z 12…240 V
z 12…240 V
50/60 Hz
50/60 Hz
or
(3)
(3)
(3)
or
U
U
U
c 12…24 V
Zelio Logic smart relays
Compact and modular smart relays
(1) 1 A quick-blow fuse or circuit-breaker.
+
c 24 V
+
c 24 V
–
SR2 B122BD and SR2 B202BD, SR3 B102BD and SR3 B262BD
(3)
U
(1)
–
+
+
+
Q1
–
–
I1 I2 I3 I4 IB IC ID IE
Q2
Q3
Q4
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