Data sheet
Pluggable interface relays CR-U
Universal relays
2CDC 291 047 F0004
Pluggable interface relays are used for electrical
isolation, amplification and signal matching
between the electronic controlling, e.g. PLC
(programmable logic controller), PC or field bus
systems and the sensor / actuator level. They
don’t use additional internal protective circuits
and thus are overload-proof against short-time
variations like current or voltage peaks.
Characteristics
–– Standard universal relays with mechanical statUs indication
–– 12 different supply voltages:
DC versions: 12 V, 24 V, 48 V, 110 V, 125 V, 220 V
AC versions: 24 V, 48 V, 60 V, 110 V, 120 V, 230 V
–– Output: 2 c/o (SPDT) contacts (10 A), 3 c/o (SPDT)
contacts (10 A)
–– Available with or without LED
–– Integrated test button for manual actuation and locking
of output contacts (DC coil = blue, AC coil = orange) that
can be removed if necessary
–– Cadmium-free contact material
–– Width on socket: 38 mm (1.496 in)
–– Pluggable function modules: reverse polarity protection/
free wheeling diode, LED indication, RC elements,
overvoltage protection, multifunction time module
Approvals
G
ANSI/UL 508
O
CAN/CSA C22.2 No.14
F
J
CAN/CSA C22.2 No.14
VDE
R
EAC
P
Lloyds Register
E
L
CCC
RMRS
Marks
a
CE
(except 60 V and 125 V devices)
(except 125 V devices)
(except 125 V devices)
(except 60 V and 125 V devices)
Order data
Packing unit = 10 pieces
Interface relays without LED, 2 c/o (SPDT) contacts: 250 V, 10 A
Type
Rated control supply voltage Us
Order code
CR-U012DC2
12 V DC
1SVR 405 621 R4000
CR-U024DC2
24 V DC
1SVR 405 621 R1000
CR-U048DC2
48 V DC
1SVR 405 621 R6000
CR-U110DC2
110 V DC
1SVR 405 621 R8000
CR-U220DC2
220 V DC
1SVR 405 621 R9000
CR-U024AC2
24 V AC
1SVR 405 621 R0000
CR-U048AC2
48 V AC
1SVR 405 621 R5000
CR-U110AC2
110 V AC
1SVR 405 621 R7000
CR-U120AC2
120 V AC
1SVR 405 621 R2000
CR-U230AC2
230 V AC
1SVR 405 621 R3000
Interface relays without LED, 3 c/o (SPDT) contacts: 250 V, 10 A
CR-U012DC3
12 V DC
1SVR 405 622 R4000
CR-U024DC3
24 V DC
1SVR 405 622 R1000
CR-U048DC3
48 V DC
1SVR 405 622 R6000
CR-U110DC3
110 V DC
1SVR 405 622 R8000
CR-U125DC3
125 V DC
1SVR 405 622 R8200
CR-U220DC3
220 V DC
1SVR 405 622 R9000
CR-U024AC3
24 V AC
1SVR 405 622 R0000
CR-U048AC3
48 V AC
1SVR 405 622 R5000
CR-U060AC3
60 V AC
1SVR 405 622 R5200
CR-U110AC3
110 V AC
1SVR 405 622 R7000
CR-U120AC3
120 V AC
1SVR 405 622 R2000
CR-U230AC3
230 V AC
1SVR 405 622 R3000
Interface relays with LED, 2 c/o (SPDT) contacts: 250 V, 10 A
CR-U012DC2L
12 V DC
1SVR 405 621 R4100
CR-U024DC2L
24 V DC
1SVR 405 621 R1100
CR-U048DC2L
48 V DC
1SVR 405 621 R6100
CR-U110DC2L
110 V DC
1SVR 405 621 R8100
CR-U220DC2L
220 V DC
1SVR 405 621 R9100
CR-U024AC2L
24 V AC
1SVR 405 621 R0100
CR-U048AC2L
48 V AC
1SVR 405 621 R5100
CR-U110AC2L
110 V AC
1SVR 405 621 R7100
CR-U120AC2L
120 V AC
1SVR 405 621 R2100
CR-U230AC2L
230 V AC
1SVR 405 621 R3100
2 - Pluggable interface relays CR-U | Data sheet
Interface relays with LED, 3 c/o (SPDT) contacts: 250 V, 10 A
CR-U012DC3L
12 V DC
1SVR 405 622 R4100
CR-U024DC3L
24 V DC
1SVR 405 622 R1100
CR-U048DC3L
48 V DC
1SVR 405 622 R6100
CR-U110DC3L
110 V DC
1SVR 405 622 R8100
CR-U220DC3L
220 V DC
1SVR 405 622 R9100
CR-U024AC3L
24 V AC
1SVR 405 622 R0100
CR-U048AC3L
48 V AC
1SVR 405 622 R5100
CR-U110AC3L
110 V AC
1SVR 405 622 R7100
CR-U120AC3L
120 V AC
1SVR 405 622 R2100
CR-U230AC3L
230 V AC
1SVR 405 622 R3100
Interface relays with LED and freewheeling diode, 3 c/o (SPDT) contacts: 250 V, 10 A
CR-U024DC3LD
24 V DC
1SVR 405 623 R1100
Accessories
Sockets
Type
Version
Order code
Sockets
CR-U2S
for 2 c/o (SPDT) contacts + module
1SVR 405 670 R0000
CR-U3S
for 3 c/o (SPDT) contacts + module
1SVR 405 660 R0000
CR-U3E
for 3 c/o (SPDT) contacts
1SVR 405 660 R0100
CR-U2SM
for 2 c/o (SPDT) contacts
1SVR 405 670 R1100
CR-U3SM
for 3 c/o (SPDT) contacts
1SVR 405 660 R1100
Metall holder
1SVR 405 669 R0000
Small sockets
Accessories for CR-U sockets
CR-UH
Data sheet | Pluggable interface relays CR-U - 3
Function modules
Type
Rated control
supply voltage Us
Version
Order code
Diode - Reverse polarity protection
CR-U 21
6-220 V DC
A1+, A2-
1SVR 405 661 R0000
Diode and LED - Reverse polarity protection
CR-U 41
6-24 V DC
red, A1+, A2-
1SVR 405 662 R0000
CR-U 41V
6-24 V DC
green, A1+, A2-
1SVR 405 662 R1000
CR-U 41B
24-60 V DC
red, A1+, A2-
1SVR 405 662 R4000
CR-U 41BV
24-60 V DC
green, A1+, A2-
1SVR 405 662 R4100
CR-U 41C
110 V DC
red, A1+, A2-
1SVR 405 662 R9000
CR-U 41CV
110 V DC
green, A1+, A2-
1SVR 405 662 R9100
RC element - Arc elimination
CR-U 51B
6-24 V AC/DC
1SVR 405 663 R0000
CR-U 51D
24-60 V AC/DC
1SVR 405 663 R4000
CR-U 51C
110-230 V AC/DC
1SVR 405 663 R1000
Diode and LED
CR-U 61
6-24 V AC/DC
red, for DC: A1+, A2-
1SVR 405 664 R0000
CR-U 61V
6-24 V AC/DC
green, for DC: A1+, A2-
1SVR 405 664 R1000
CR-U 61E
24-60 V AC/DC
red, for DC: A1+, A2-
1SVR 405 664 R4000
CR-U 61EV
24-60 V AC/DC
green, for DC: A1+, A2-
1SVR 405 664 R4100
CR-U 91
110-230 V AC / 110 V DC
red, for DC: A1+, A2-
1SVR 405 664 R0100
CR-U 91V
110-230 V AC / 110 V DC
green, for DC: A1+, A2-
1SVR 405 664 R1100
6-24 V AC/DC
red, for DC: A1+, A2-
1SVR 405 665 R0000
CR-U 61CV
6-24 V AC/DC
green, for DC: A1+, A2-
1SVR 405 665 R1000
CR-U 61D
24-60 V AC/DC
red, for DC: A1+, A2-
1SVR 405 665 R4000
CR-U 61DV
24-60 V AC/DC
green, for DC: A1+, A2-
1SVR 405 665 R4100
CR-U 91C
110-230 V AC / 110 V DC
red, for DC: A1+, A2-
1SVR 405 665 R0100
CR-U 91CV
110-230 V AC / 110 V DC
green, for DC: A1+, A2-
1SVR 405 665 R1100
Varistor and LED - Overvoltage protection
CR-U 61C
Varistor - Overvoltage protection
CR-U 71
24 V AC
1SVR 405 666 R0000
CR-U 71A
115 V AC
1SVR 405 666 R1000
CR-U 81
230 V AC
1SVR 405 666 R2000
Multifunction time module
Type
Rated control supply voltage Us
Order code
24-240 V AC/DC
1SVR 405 667 R0000
Multifunction timer module
CR-U T
pluggable onto CR-U2S and CR-U3S
All CR-U modules can be plugged onto sockets CR-U2S and CR-U3S.
4 - Pluggable interface relays CR-U | Data sheet
Functions
Operating controls
1 Socket
1
2 Pluggable function module
2
3 Interface relay
4 Holder
2CDC 291 001 S0011
3
4
Application
Interface relays are electromechanic and electronic input and output modules for electrical isolation, levelling, noise
suppression or signal amplifi cation between control unit and process.
Operating mode
When control supply voltage is applied, the output contacts get closed. When control supply voltage is switched off,
the contacts fall back into their starting position. Manual operation and locking of the output relays is possible via the
integrated test button.
Note:
During operation of the relay the test button is warming up. To manually press the test button, first switch off the supply
voltage of the relay and wait for a while until the button cools down (or press without delay, using protective gloves or
insulated tools).
Press the button smoothly and quickly. As long as the button is pressed the n/o contacts are closed. Releasing the button
opens the n/o contacts. A 90 degree rotation of the test button closes the n/o contacts permanently. Reverse rotation of
the test button re-opens the n/o contacts.
Data sheet | Pluggable interface relays CR-U - 5
Electrical connection
CR-U with 2 c/o (SPDT) contacts
A1-A2
Control supply voltage
11-12/14,
Relay outputs
2CDC 292 024 F0004
31-32/34
Connection diagram
CR-U with 3 c/o (SPDT) contacts
A1-A2
Control supply voltage
11-12/14,
Relay outputs
21-22/24,
2CDC 292 030 F0004
31-32/34
Connection diagram
Technical data
Input circuit - Coil data A1-A2
DC coils
AC Coils
Rated control supply
voltage Us
Rated
frequency
Make
voltage
(at 20 °C)
Maxium
voltage
(at 55 °C)
Break
voltage
Rated power
Coil
resistance (at
20 °C)
Tolerance of
coil
resistance
12 V DC
-
9.6 V DC
13.2 V DC
≥ 0.1 Us
1,5 W
110 Ω
± 10 %
24 V DC
-
19.2 V DC
26.4 V DC
≥ 0.1 Us
1,5 W
430 Ω
± 10 %
48 V DC
-
38.4 V DC
52.8 V DC
≥ 0.1 Us
1,5 W
1750 Ω
± 10 %
110 V DC
-
88.0 V DC
121.0 V DC
≥ 0.1 Us
1,5 W
9200 Ω
± 10 %
125 V DC
-
100 V DC
137.5 V DC
≥ 0.1 Us
1,5 W
11000 Ω
± 10 %
220 V DC
-
176.0 V DC
242.0 V DC
≥ 0.1 Us
1,5 W
37000 Ω
± 10 %
24 V AC
50/60 Hz
19.2 V AC
26.4 V AC
≥ 0.15 Us
2,8 VA (50 Hz)
75 Ω
± 10 %
305 Ω
± 10 %
475 Ω
± 10 %
1700 Ω
± 10 %
1910 Ω
± 10 %
7080 Ω
± 10 %
2,5 VA (60 Hz)
48 V AC
50/60 Hz
38.4 V AC
52.8 V AC
≥ 0.15 Us
2,8 VA (50 Hz)
2,5 VA (60 Hz)
60 V AC
50/60 Hz
48.0 V AC
66.0 V AC
≥ 0.15 Us
2,8 VA (50 Hz)
2,5 VA (60 Hz)
110 V AC
50/60 Hz
88.0 V AC
121.0 V AC
≥ 0.15 Us
2,8 VA (50 Hz)
2,5 VA (60 Hz)
120 V AC
50/60 Hz
96.0 V AC
132.0 V AC
≥ 0.15 Us
2,8 VA (50 Hz)
2,5 VA (60 Hz)
230 V AC
50/60 Hz
184.0 V AC
253.0 V AC
≥ 0.15 Us
2,8 VA (50 Hz)
2,5 VA (60 Hz)
6 - Pluggable interface relays CR-U | Data sheet
Output circuits
Type
CR-U...2
CR-U...3
Output circuits
11-12/14,
11-12/14,
31-32/34
21-22/24,
31-32/34
Kind of output
relays, 2 c/o (SPDT)
relays, 3 c/o (SPDT)
contacts
contacts
Contact material
AgNi
Rated operational voltage Ue (IEC/EN 60947-1)
250 V
Minimum switching voltage
10 V
Maximum switching voltage
250 V DC / 440 V AC
Minimum switching current
5 mA
Rated free air thermal current Ith
Rated operational current (IEC/EN 60947-5-1)
AC rating *
(UL 508; NEMA ICS-5)
DC rating *
(UL 508; NEMA ICS-5)
10 A
AC-12 (resistive)
230 V
10 A
AC-15 (inductive)
230 V
1.5 A
AC-15 (inductive)
120 V
3A
DC-12 (resistive)
24 V
10 A
DC-13 (inductive)
24 V
2A
DC-13 (inductive)
120 V
0.22 A
DC-13 (inductive)
250 V
0.1 A
Utilization category (pilot duty)
(Contact rating code designation)
B300
Max. rated operational voltage
300 V AC
Max. continuous thermal current
at utilization category
5A
Max. making / breaking apparent
power at utilization category
3600 / 360 VA
Utilization category
General Purpose (single-phase)
10 A, 250 V AC
Utilization category (resistive)
(CSA22.2 No.14....)
10 A, 250 V AC
Utilization category (pilot duty)
(Contact rating code designation)
R300
Max. rated operational voltage
300 V DC
Max. continuous thermal current
at utilization category
1A
Max. making / breaking apparent
power at utilization category
28 VA
Utilization category (resistive)
(CSA22.2 No.14....)
10 A, 28 V DC
Maximum making (inrush) current
20 A
Minimum switching power
Maximum switching (breaking) power
0.3 W
AC-1 (resistive)
Contact resistance
Maximum operating frequency
≤ 100 mΩ
rated load AC-1
without load
Mechanical lifetime
Electrical lifetime
2500 VA
1200 switching cycles / h
12000 switching cycles / h
> 2 x 107 switching cycles / h
AC-1 (resistive)
cos φ
> 105 switching cycles (12 A, 250 V)
See reduction factor F
Response time
typ. 18 ms (DC), typ. 12 ms (AC)
Release time
typ. 7 ms (DC), typ. 10 ms (AC)
*) Those ratings are based on different type tests but they are not covered by the cULus or CSA approvals
Data sheet | Pluggable interface relays CR-U - 7
Isolation data
Type
CR-U...2
Rated insulation voltage
250 V AC
Insulation class
C250
Rated impulse withstand voltage Uimp
between coil and contacts
2.5 kV
between open contacts
1.5 kV
between c/o (SPDT) contacts
CR-U...3
2 kV
Clearance
between coil and contacts
≥ 3 mm
Creepage distance
between coil and contacts
≥ 4.2 mm
Overvoltage category
III
Pollution degree
3
General data
Type
CR-U...2
Dimensions (W x H x D) when mounted
35 x 35 x 54.4 mm (1.378 x 1.378 x 2.142 in)
CR-U...3
Weight
83 g (0.18 lb)
Mounting
on socket (see accessories)
Mounting position
any
Degree of protection
IP 40
Electrical data
Type
CR-U...2
Connection
by socket
CR-U...3
Environmental data
Type
CR-U...2
Ambient temperature range
operation
storage
Vibration resistance (10-150 Hz)
Shock resistance
CR-U...3
DC: -40...+70 °C; AC: -40...+55 °C
-40...+85 °C
n/o contact
5g
n/c contact
5g
n/o contact
10 g
n/c contact
10 g
Standards / Directives
Type
CR-U...2
Standards
IEC/EN 61810-1
Low Voltage Directive
2014/35/EU
RoHS Directive
2011/65/EU
CR-U...3
Technical diagrams
8 - Pluggable interface relays CR-U | Data sheet
Switching power [kVA]
2CDC 292 027 F0204
2 = inductive load, T = 40 ms
DC voltage [V]
Load limit curve Electrical lifetime at resistive AC load
Switching cycles
1 = resistive load, T = 0 ms
2CDC 292 028 F0204
DC current [A]
Load limit curve Maximum switching power at resistive load
Power factor
2CDC 292 029 F0204
Reduction factor
Reduction factor F at inductive AC load
Dimensions
2CDC 252 025 F0004
in mm
2CDC 252 026 F0004
Versions with 2 c/o (SPDT) contacts (CR-U ... 2)
Versions with 3 c/o (SPDT) contacts (CR-U ... 3)
Further documentation
Document title
Document type
Document number
Electronic Products and Relays
Technical catalogue
2CDC 110 004 C02xx
Sockets CR-U
Data sheet
2CDC 117 006 D020x
Pluggable function modules CR-U
Data sheet
2CDC 117 008 D020x
Pluggable multifunction time module CR-U T
Data sheet
2CDC 117 010 D020x
You can find the documentation on the internet at www.abb.com/lowvoltage
-> Automation, control and protection -> Electronic relays and controls
-> Interface relays and optocouplers.
CAD system files
You can find the CAD files for CAD systems at http://abb-control-products.partcommunity.com
-> Low Voltage Products & Systems -> Control Products -> Electronic Relays and Controls.
Data sheet | Pluggable interface relays CR-U - 9
Contact us
Document number 2CDC 117 003 D0206 (10/2016)
ABB STOTZ-KONTAKT GmbH
P. O. Box 10 16 80
69006 Heidelberg, Germany
Phone: +49 (0) 6221 7 01-0
Fax: +49 (0) 6221 7 01-13 25
E-mail: info.desto@de.abb.com
You can find the address of your
local sales organization on the
ABB home page
http://www.abb.com/contacts
-> Low Voltage Products and Systems
Note:
We reserve the right to make technical changes
or modify the contents of this document without
prior notice. With regard to purchase orders, the
agreed particulars shall prevail. ABB AG does
not accept any responsibility whatsoever for
potential errors or possible lack of information in
this document.
We reserve all rights in this document and in
the subject matter and illustrations contained
therein. Any reproduction, disclosure to third
parties or utilization of its contents – in whole
or in parts – is forbidden without prior written
consent of ABB AG.
Copyright© 2016 ABB
All rights reserved