Chronos 2 timers
➜
17.5 mm DIN rail mounting
■
■
■
■
■
■
■
Relay or solid state output
Multi-function or mono-function
Multi-range
Multi-voltage
Screw or spring terminals
LED status indicator (relay version)
Option of connecting an external power supply to the
control input
■
3-wire sensor control option
Part numbers
Type
MUR1
MAR1
MBR1
MCR1
MHR1
MLR4
MLR1
MUR4
MUR3
MURc3
MXR1
MUS2
MAS5
MHS2
MLS2
Functions
A - At - B - C - H - Ht -
Di - D - Ac - Bw
A - At
B
C
H - Ht
Li - L
Li - L
A - At - B - C - H - Ht -
Di - D - Ac - Bw
A - At - B - C - H - Ht -
Di - D - Ac - Bw
A - At - B - C - H - Ht -
Di - D - Ac - Bw
Ad - Ah - N - O - P -
Pt - TL - Tt - W
A - At - B - C - H - Ht -
Di - D - Ac - Bw
A
H
Li - L
Timing
0.1 s
➞
100h
0.1s
➞
100h
0.1s
➞
100h
0.1s
➞
100h
0.1s
➞
100h
0.1s
➞
100h
0.1s
➞
100h
0.1s
➞
100h
0.1s
➞
100h
0.1s
➞
100h
0.1s
➞
100h
0.1s
➞
100h
0.1s
➞
100h
0.1s
➞
100h
0.1s
➞
100h
Output
1 changeover relay
1 changeover relay
1 changeover relay
1 changeover relay
1 changeover relay
1 changeover relay
1 changeover relay
1 changeover relay
1 changeover relay
1 changeover relay
1 changeover relay
Solid state
Solid state
Solid state
Solid state
Nominal Connections
rating
8A
Screw terminals
8A
8A
8A
8A
8A
8A
8A
8A
8A
8A
0.7 A
0.7 A
0.7 A
0.7 A
Screw terminals
Screw terminals
Screw terminals
Screw terminals
Screw terminals
Screw terminals
Screw terminals
Screw terminals
Spring terminals
Screw terminals
Screw terminals
Screw terminals
Screw terminals
Screw terminals
Supply voltage
24 V
c
/ 24
➞
240 V
a
24 V
c
24 V
c
24 V
c
24 V
c
12 V
a
24 V
c
12 V
a
/ 24
➞
240 V
a
/ 24
➞
240 V
a
/ 24
➞
240 V
a
/ 24
➞
240 V
a
/
c
/ 24
➞
240 V
a
/
c
Code
88 827 105
88 827 115
88 827 125
88 827 135
88 827 145
88 827 150
88 827 155
88 827 100
88 827 103
88 827 503
88 827 185
88 827 004
88 827 014
88 827 044
88 827 054
12
➞
240 V
a
/
c
12
➞
240 V
a
/
c
24 V
c
/ 24
➞
240 V
a
24
➞
240 V
a
24
➞
240 V
a
/
c
24
➞
240 V
a
24
➞
240 V
a
Dimensions (mm)
60
44
23,2
3,5
17,5
67,5
45
5,5
1
2,6
90
Connections
1 changeover relay output
U
+
1 changeover relay output
U
+
Solid state output
U
A1
A1
Y1
15
R
A1
Y1
15
R
A2
MULTI
Y1
Y1
A2
16 18
A2
16 15
18
R
A1
Y1
A-At / H-Ht / B / C / Di-D / Ac / BW
Ad - Ah - N - O - P - Pt - Tl - Tt - W
Solid state output
U
±
A1
Li - L
A-At / H-Ht / B / C / Di-D / Ac / BW
Ad - Ah - N - O - P - Pt - Tl - Tt - W
Solid state output
U
A1
A2
Y1
A2
±
R
18
R
A2
Y1
A/H
L / Li
Curves
Function A
U
R
T
Function Ac
U
C
R
T
T
Function At
U
C
R
t1
t2
T = t1+t2
Delay on energisation
Timing after closing and opening of control
contact
Function Bw
Timing on energisation with memory
Function B
U
C
R
∞
T
Function C - 1 changeover relay
U
C
R
T
T
U
C
R
∞
T
Timing on impulse one short
Function D
U
R
T T
Pulse output (adjustable)
Function Di
U
R
T T
Timing after impulse
Function H
U
R
T
Flip-flop Pause start
Function Ht
U
C
R
t1
t2
T = t1+t2
Flip-flop Pulse start
Function L
U
R
T1 T2
Timing on energisation
Function Li
U
R
T1 T2
Delay on energisation with memory
Double temporisation
Asymmetrical recycler
Pulse start
2
Chronos 2 timers
➜
17.5 mm DIN rail mounting
Timing
Timing ranges (7 ranges)
Repetition accuracy with
constant parameters
Drift Temperature
Drift Voltage
Display accuracy according to
IEC/EN 61812-1
Minimum pulse duration typically
(relay version)
Minimum pulse duration typically
(solid state version)
Minimum pulse duration typically
(relay version under load)
Maximum reset time by de-
energisation typically (relay
version)
Maximum reset time by de-
energisation typically (solid state
version)
Immunity from micro power
cuts : typical
1 s - 10 s - 1 min - 10 min - 1 h -
10 h - 100 h
± 0.5 % (IEC/EN 61812-1)
± 0.05 % / °C
± 0.2 % / V
± 10 % / 25 °C
30 ms
50 ms
100 ms
120 ms
Certifications
Temperature limits use (°C)
Temperature limits stored (°C)
Installation category
(acc. to IEC/EN 60664-1) )
Creepage distance and clearance
acc. to IEC/EN 60664-1
Protection (IEC/EN 60529)
Degree of protection acc. to
IEC/EN 60529 Front face
Vibration resistance
acc. to IEC/EN 60068-2-6
Relative humidity no
condensation acc. to
IEC/EN 60068-2-30
Electromagnetic compatibility -
Immunity to electrostatic
discharges acc to
IEC/EN 61000-4-2
Immunity to radiated, radio-
frequency, electromagnetic field
acc. CEI/EN 61000-4-3
Input type
Volt-free contact
3-wire PNP output control option
residual voltage : 0.4V whatever
the timer power supply
General characteristics
Conformity to standards
IEC/EN 61812-1
IEC/EN 61000-6-1
IEC/EN 61000-6-2
IEC/EN 61000-6-3
IEC/EN 61000-6-4
CE, UL, cUL,CSA, GL
-20
➞
+60
-30
➞
+60
Voltage surge category III
4 kV / 3 mm
IP20
IP50
20 m/s
2
10 Hz
➞
150 Hz
93 % non-condensing
1
350 ms
< 10 ms
Supply
Multi-voltage power supply
Frequency (Hz)
Operating range
Operator factor
Max. absorbed power
Depending on version
50 / 60
85
➞
110 % Un
85
➞
120 % Un for 12 V
a
/
c
100 %
32 VA (240 V
a
)
1.5 W (240 V
c
)
0.6 W (24 V
c
)
0.7 VA (12 V
a
)
0.7 W (12 V
c
)
Level III (Air 8 kV / Contact 6 kV)
Output specification
1 or 2 changeover relays, AgNi
(cadmium-free)
Rated power
Maximum breaking current
Minimum breaking current
Voltage breaking capacity
Electrical life (operations)
Mechanical life (operations)
Breakdown voltage acc. to
IEC/EN 61812-1
Impulse voltage acc. to
IEC/EN 60664-1, IEC/EN 61812-1
1 C/O
2000 VA/80 W
8 A
a
250 V
a
resistive
8 A
c
30 V
c
resistive
10 mA / 5 V
c
250 V
a
/ 8 A
a
resistive
250 V
c
/ 0.3 A resistive
10
5
8 A 250 V
a
resistive
10 x 10
6
2.5 kV / 1 min / 1 mA / 50 Hz
5 kV
wave 1.2 / 50 µs
Immunity to rapid transient
bursts acc. to IEC/EN 61000-4-4
Immunity to shock waves on
power supply acc. to
IEC/EN 61000-4-5
Immunity to radio frequency in
common mode acc. to
IEC/EN 61000-4-6
Immunity to voltage dips and
breaks acc. to IEC/EN 61000-4-11
Mains-borne and radiated
emissions acc. to EN 55022
(CISPR22), EN55011 (CISPR11)
Fixing : Symmetrical DIN rail
Terminal capacity Single-wire
without ferrule
Level I
(1 V/m : 2.0 G Hz
➞
2.7 G Hz)
Level II
(3 V/m : 1.4 G Hz
➞
2.0 G Hz)
Level III
(10 V/m : 80 M Hz
➞
1 G Hz)
Level III (direct 2 kV / Capacitive
coupling clamp 1 kV)
Level III (2 kV / common mode
2 kV/ residual current mode 1 kV)
Level III (10V rms : 0.15 M Hz to
80 M Hz)
0 % residual voltage, 1 cycle
70 % residual voltage, 25/30
cycles
Class B
Solid state output
Rated power
Derating
Maximum admissible current
Minimum breaking current
Leakage current
Voltage breaking capacity
Maximum voltage drop at
terminals
Electrical life (operations)
Breakdown voltage acc. to
IEC/EN 60664-1, IEC 60255-5
0.7 A
a
/
c
20 °C (0.5 A UL)
5 mA/ °C
20 A
≤
10 ms
10 mA
< 5 mA
250 V
a
/
c
3 wire 4V
2 wire 8V
10
8
2.5 kV to 1 mA / 1 min
Terminal capacity Multi-wire with
ferrule
Spring terminals, 2 terminals per
connection point - flexible wire
Spring terminals, 2 terminals per
connection point - rigid wire
Housing material
35 mm
1 x 0.5
➞
3.3 mm
2
(AWG 20
➞
AWG 12)
2 x 0.5
➞
2.5 mm
2
(AWG 20
➞
AWG 14)
1 x 0.2
➞
2.5 mm
2
(AWG 24
➞
AWG 14)
2 x 0.2
➞
1.5 mm
2
(AWG 24
➞
AWG 16)
2 x 0.2
➞
1.5 mm
2
(AWG 24
➞
AWG 16)
2 x 0.2
➞
1.5 mm
2
(AWG 24
➞
AWG 16)
Self-extinguishing
1
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