Chronos 2 electronic timers - 22,5 mm
Relay output 1 change over relays
s
s
s
s
s
s
s
s
Multi-function or mono-function
Multi-range (7 ranges, available options)
Multi-voltage
Output 1 relay: 8 A - 250 V (10 A UL)
Screw or spring terminals
1 LED status indicators
Option of connecting an external power supply to the
control input
3-wire sensor control option
Timing
0.1s • 100h
TUR1
-
88 865 105
-
-
Multi-function
A-At - B - C - H-Ht
Di-D - Ac - Bw
8A
0.1s • 100h
TAR1
-
88 865 115
-
-
Bifunction
A - At
8A
0.1s • 100h
TBR1
-
88 865 125
-
-
Mono-function
B
8A
Technical specifications
Timing
Repetition accuracy (with constant
parameters)
± 0.5 %
(CEI 1812-1)
± 0.05 % / °C
± 0.2 % / V
±10 % / 25 °C
30 ms
50 ms
100 ms
100 ms
350 ms
>10 ms
depending on version,
see page 1/17
50/60 Hz
85 to 110 % Un
(85 to 120 % Un for
12V AC/DC)
100 %
0.6 W 24V AC/DC
1.5 W 230V AC
32 VA 230V AC
2000 VA / 80 W
2000 V A / 80W
8 A AC 8 A DC
10 mA / 5 VDC
250V AC/VDC
10
5
operations
8 A 250V resistive
5 x 10
6
operations
2.5 kV / 1min /
1 mA /50Hz
5 kV, wave 1.2 / 50
µs
Types
Screw terminal
Spring terminal
24V
c
/ 24 • 240V
a
12 V
a
/
c
12 • 240 V
a
/
c
Drift
- Temperature
- Voltage
Display precision according to IEC 1812-1
Minimum pulse duration
- Typically (relay version)
- Typically (solid state version)
- Typically under load (relay version)
Maximum reset time by de-energisation
- Typically (relay version)
- Typically (solid state version)
Immunity to breaks in supply voltage: typically
Part numbers and voltage
Functions
Nominal current
1
Timing ranges
(7 ranges)
1s - 10 s - 1 min - 10 min - 1 h - 10 h - 100 h
TQR1:
Selectable switching time
20 / 40 / 60 / 80 / 100 / 120 / 140 ms
Power supply
Multi-voltage power supply
Frequency
Operating range
Load factor
Maximum power consumption
General specifications
Conforming to standards
IEC 1812-1, EN 50081-1/2, EN 50082-1/2, LV
directives (73/23/EEC + 93/68/EEC
(CE marking) + EMC (89/336/EEC +
IEC 669-2-3 (17.5 mm)
Approvals
UL - CSA - cUL pending
Temperatures limits
- use
- stored
Installation category (acc. to IEC 664-1)
Creepage distance and clearance acc. to
IEC 664-1
Degree of protection acc. to IEC 529
- terminal block
- casing
- front face (except Tk2R1)
Vibration resistance acc. to IEC 68-2-6
Relative humidity acc. to IEC 68-2-3
without condensation
Electromagnetic compatibility
- Immunity to electrostatic discharges acc. to
IEC 1000-42
- Immunity to electrostatic fields acc. to
ENV 50140/204 (IEC 1000-4-3)
- Immunity to rapid transient bursts acc. to IEC
1000-4-4
- Immunity to shock waves on power supply
acc. to IEC 1000-4-5
- Immunity to radiofrequency in common mode
acc. to ENV
Output elements relay output
1 or 2 changeover relays, AgNi (cadmium-free)
Rated power
Maximum breaking current
Minimum breaking current
Voltage breaking capacity
Electrical life
Mechanical life
Breakdown voltage acc. to IEC 1812-1
Impulse voltage acc. to IEC 664-1 IEC 1812-1
-20 °C + 60 °C
-30 °C + 60 °C
Voltage surge
category
4 kV / 3
IP 20
IP 40
IP 50
f = 10 • 55 Hz
A = 0.35 mm
93 %
Level III
(Air 8 K /
Contact 6 KV)
Level III 10V/m:
80 MHz to 1 GHz)
Level III (direct 2kV/
Capacitive coupling
clamp 1 KV)
Level III (common
mode 2 KV / residual
current mode 1KV)
Level III (10V rms:
0.15 MHz to 80 MHz)
30 % / 10 ms
60 % / 100 ms >
95 % / 5 s
Class B
35 mm
2 x 2.5 mm
2
2 x 1.5 mm
2
1.5 mm
2
2.5 mm
2
Self-extinguishing
90 g
Display
State displayed by 2 LEDs
- Flashing green when on
- Relay LED yellow during timing
Green LED operation indicator
Pulsing:
- timer on, no timing in progress
(except functions Di-D and Li-L)
Flashing:
- timing in progress
Permanently lit:
- Relay waiting, no timing in progress
Input type
- Volt-free contact
- 3-wire PNP output control option maximum
residual voltage: 0.4 V whatever the timer
power supply
0.4 V
- Immunity to voltage dips and breaks acc. to
IEC 1000-4-11
- Mains-borne and radiated emissions acc. to
EN 55022 (EN 55011 Group 1)
Fixing: Symmetrical DIN rail (EN 50022)
Connection capacity
- without ferrule
- with ferrule
Spring terminals, 2 terminals per
connection point
- flexible wire
- rigid wire
Casing material
Weight: 22.5 mm casing
Other information
Non stocked, minimum order quantity 100 units.
1/18
0.1s • 100h
TCR1
-
88 865 135
-
-
Mono-function
C
8A
0.1s • 100h
THR1
-
88 865 145
-
-
Bifunction
H - Ht
8A
0.1s • 100h
TLR1
-
88 865 155
-
-
Bifunction
Li - L
8A
0.1s • 100h
TQR1
-
88 865 175
-
-
Mono-function
Q
8A
0.1s • 100h
TUR4
-
-
88 865 100
-
Multi-function
A - At - B - C - H - Ht -
Di - D - Ac - Bw
8A
0.1s • 100h
TUR3
-
-
TURc3
0.1s • 100h
1
TXR1
-
2
-
-
-
-
88 865 103 88 865 503
Multi-function
A - At - B - C - H - Ht -
Di - D - Ac - Bw
8A
88 865 185
-
-
Multi-function
Ad - Ah - N - O - P -
Pt - TL - Tt - W
8A
1
Function diagrams
Function A
Delay on energisation
1 relay
U
R
T
Function H
Timing on energisation
1 relay
U
R
T
Function Li
Asymmetrical recycler 1 relay
Pulse start
U
R
T1 T2
Function C
Timing after impulse
1 timer
U
C
R
T
Function At
Timing on energisation with memory
1 relay
U
C
R
t1
t2
T = t1+t2
Function Ht
Delay on energisation with memory
1 relay
U
C
R
t1
t2
T = t1+t2
Function D
Flip-flop 1 relay
Pause start
U
R
T T
Function Bw
Pulse output (adjustable)
1 relay
U
C
R
T
T
Function B
Timing on impulse one shot
1 relay
U
C
Function L
Asymmetrical recycler 1 relay
Pause start
U
R
Function Di
Flip-flop 1 relay
Pulse start
U
R
T1 T2
T T
Function Ac
Timing after closing and opening
of control contact
1 relay
U
C
R
T
T
R
T
Function Q
Star-delta
U
R
T
Ti
MXR1 functions see page 1/10, 1/11
Connections
U
+
+
U
+
U
Dimensions
32
3,5
A1
15
R
63
22,5
A1 15 Y1
A1
Y1
15
R
A1
Y1
15
R
A2
16 18
A2
16 15
A2
57
Functions :
A - At / H - Ht / B / C
Di - D / Ac / BW
Ad - Ah - N - O - P
Pt - T
L
- Tt - W
Li
L :
A1
Y1
Q
18 16 A2
95
5
To order, specify:
Standard products
1
Type
2
Part number
Example: Chronos 2 Timers TAR1 88 865 115
1/19
78
28 18
Chronos 2 electronic timers - 22,5 mm
Relay output 2 change over relays
s
s
s
s
s
s
s
s
Multi-function or mono-function
Multi-range (7 ranges, available options)
Multi-voltage
Relays output 2: 8 A - 250 V (10 A UL) including
1 instantaneous
Screw terminals
1 LED status indicators
Option of connecting an external power supply to the
control input
3-wire sensor control option
Timing
Technical specifications
Timing
Repetition accuracy (with constant
parameters)
± 0.5 %
(CEI 1812-1)
± 0.05 % / °C
± 0.2 % / V
±10 % / 25 °C
30 ms
50 ms
100 ms
100 ms
350 ms
>10 ms
depending on version,
see page 1/13
50/60 Hz
85 to 110 % Un
(85 to 120 % Un for
12V AC/DC)
100 %
0.6 W 24V AC/DC
1.5 W 230V AC
32 VA 230V AC
2000 VA / 80 W
2000 V A / 80W
8 A AC 8 A DC
10 mA / 5 VDC
250V AC/VDC
10
5
operations
8 A 250V resistive
5 x 10
6
operations
2.5 kV / 1min /
1 mA /50Hz
5 kV, wave 1.2 / 50
µs
Types
Part numbers and voltage
24V
c
/ 24 • 240V
a
12 V
a
/
c
Drift
- Temperature
- Voltage
Display precision according to IEC 1812-1
Minimum pulse duration
- Typically (relay version)
- Typically (solid state version)
- Typically under load (relay version)
Maximum reset time by de-energisation
- Typically (relay version)
- Typically (solid state version)
Immunity to breaks in supply voltag: typically
Functions
Nominal current
Timing ranges
(7 ranges)
1s - 10 s - 1 min - 10 min - 1 h - 10 h - 100 h
TK2R1 (4 ranges)
0.6 s - 2.5 s - 20 s - 160 s
1
Power supply
Multi-voltage power supply
Frequency
Operating range
Load factor
Maximum power consumption
General specifications
Conforming to standards
IEC 1812-1, EN 50081-1/2, EN 50082-1/2, LV
directives (73/23/EEC + 93/68/EEC
(CE marking) + EMC (89/336/EEC +
IEC 669-2-3 (17.5 mm)
Approvals
UL - CSA - cUL pending
Temperatures limits
- use
- stored
Installation category (acc. to IEC 664-1)
Creepage distance and clearance acc. to
IEC 664-1
Degree of protection acc. to IEC 529
- terminal block
- casing
- front face (except Tk2R1)
Vibration resistance acc. to IEC 68-2-6
Relative humidity acc. to IEC 68-2-3
without condensation
Electromagnetic compatibility
- Immunity to electrostatic discharges acc. to
IEC 1000-42
- Immunity to electrostatic fields acc. to
ENV 50140/204 (IEC 1000-4-3)
- Immunity to rapid transient bursts acc. to IEC
1000-4-4
- Immunity to shock waves on power supply acc.
to IEC 1000-4-5
- Immunity to radiofrequency in common mode
acc. to ENV
Output elements relay output
1 or 2 changeover relays, AgNi (cadmium-free)
Rated power
Maximum breaking current
Minimum breaking current
Voltage breaking capacity
Electrical life
Mechanical life
Breakdown voltage acc. to IEC 1812-1
Impulse voltage acc. to IEC 664-1 IEC 1812-1
-20 °C + 60 °C
-30 °C + 60 °C
Voltage surge
category
4 kV / 3
IP 20
IP 40
IP 50
f = 10 • 55 Hz
A = 0.35 mm
93 %
Level III
(Air 8 K /
Contact 6 KV)
Level III 10V/m:
80 MHz to 1 GHz)
Level III (direct 2kV/
Capacitive coupling
clamp 1 KV)
Level III (common
mode 2 KV / residual
current mode 1KV)
Level III (10V rms:
0.15 MHz to 80 MHz)
30 % / 10 ms
60 % / 100 ms >
95 % / 5 s
Class B
35 mm
2 x 2.5 mm
2
2 x 1.5 mm
2
Self-extinguishing
90 g
Display
State displayed by 2 LEDs
- Flashing green when on
- Relay LED yellow during timing
Green LED operation indicator
Pulsing:
- timer on, no timing in progress
(except functions Di-D and Li-L)
Flashing:
- timing in progress
Permanently lit:
- Relay waiting, no timing in progress
Input type
- Volt-free contact
- 3-wire PNP output control option maximum
residual voltage: 0.4 V whatever the timer power
supply
0.4 V
- Immunity to voltage dips and breaks acc. to
IEC 1000-4-11
- Mains-borne and radiated emissions acc. to
EN 55022 (EN 55011 Group 1)
Fixing: Symmetrical DIN rail (EN 50022)
Connection capacity
- without ferrule
- with ferrule
Casing material
Weight: 22.5 mm casing
Other information
Non stocked, minimum order quantity 100 units.
1/20
0
.
1s • 100h
TU2R1
88 865 305
-
Multi-function
A - At - B - C - H - Ht -
Di - D - Ac - Bw
8A
2 timers including 1
instantaneous
Function diagrams
0
.
1s • 100h
TA2R1
88 865 215
-
Bifunction
A - At
8A
2 timers
0
.
1s • 100h
TK2R1
88 865 265
-
Mono-function
K
8A
2 timers
0
.
1s • 100h
TU2R4
-
88 865 300
Multi-function
A - At - B - C - H - Ht -
Di - D - Ac - Bw
8A
2 timers including 1
instantaneous
0
.
1s • 100h
1
TX2R1
2
88 865 385
-
Multi-function
Ad - Ah - N - O - P -
Pt - TL - Tt - W
8A
2 timers including 1
instantaneous
1
U
R1/R2
T
Function A
Delay on energisation
2 timers or
2 relays, including 1 instantaneous
U
R1/R2
R2 INST
T
Function C
Timing after impulse
2 timers or 2 relays,
including 1 instantaneous
U
C
R1/R2
R2 inst.
∞
T
Function Ac
Timing after closing and opening
of control contact
2 timers or 2 relays,
including 1 instantaneous
U
C
R1/R2
R2 Inst.
T
T
Function K
Delay on de-energisation
True delay OFF
2 relays
Function At
Timing on energisation with memory
2 timers or
2 relays, including 1 instantaneous
U
C
R1/R2
t1
R2 Inst.
T = t1+t2
t2
Function H
Timing on energisation
2 timers or 2 relays,
including 1 instantaneous
U
R1/R2
T
R2 Inst.
Function D
Flip-flop
Pause start
2 timers or 2 relays,
including 1 instantaneous
U
R1/R2
T T
R2 Inst.
Function Bw
Pulse output (adjustable)
2 timers or 2 relays,
including 1 instantaneous
U
C
R
T
T
Function B
Timing on impulse one shot
2 timers or 2 relays,
including 1 instantaneous
U
C
R1/R2
∞
R2 Inst.
T
Function Ht
Delay on energisation with memory
1 relay
2 timers or 2 relays,
including 1 instantaneous
U
C
R1/R2
t1
R2 Inst.
T = t1+t2
t2
Function Di
Flip-flop
Pulse start
2 timers or 2 relays,
including 1 instantaneous
U
R1/R2
T T
R2 Inst.
MXR1 functions see page 1/10, 1/11
Dimensions
Connections
U
+
+
15
R1
A2
25
R2
U
32
3,5
63
22,5
A1 15 Y1
A1
Y1
15
R1
25/21
R2
A1
A2
16 18
26/22 28/24
57
Functions :
A - At / H - Ht / B / C
Di - D / Ac / BW
Ad - Ah - N - O - P
Pt - T
L
- Tt - W
K
18 16 A2
95
5
To order, specify:
Standard products
H
1
Type
2
Part number
Example: Chronos 2 Timers TA2R1 88 865 215
1/21
78
16 18
26 28
Functions
U : Supply
R : Output or load relay
T : Timing
C (Y1)
: Control contact
: indefinite
Function A:
Delay on energisation
1 relay
U
R
T
Function B:
Timing on impulse one shot
On pulse (with constant supply)
1 relay
U
C
R
T
Single timing cycle which begins on
energisation.
The output changes state after timing.
After energisation; a pulse (≥ 50 ms) or a
maintained control contact will cause the
output to change state which reverts to the
rest position at the end of timing.
N.B. :
this process enables shortening or
lengthening of a signal.
U
U
C
R1/R2
T
R2 Inst.
2 relays timed or
1 relay timed and 1 instantaneous
R1/R2
R2 INST
T
2 relays timed or
1 relay timed and 1 instantaneous
Function Ab:
One-shot cycle
U
R
T1 T2
Function Bw:
Pulse output (adjustable)
1 relay
1
The output changes states at the end of the
set time T1, for a period T2.
Both T1 and T2 independently adjustable.
AOutput relay R (or the load) changes state,
and remains in the changed-over state for the
timing period, both when control contact C
(Y1) closes and when it opens.
U
C
R
T
T
U
Function Ac:
Timing after closing and opening
of control contact
1 relay
U
C
R
T
T
C
2 relays timed or
1 relay timed and 1 instantaneous
R
T
T
After energisation, closure of the control
contact causes the timing period T to
commence and output relay R (or the load)
changes state at the end of this interval.
When contact C (Y1) opens, relay R resets
after a second timing period T. .
Function C:
Timing after impulse
Delay OFF (with constant supply
1 relay
U
C
2 relays timed or
1 relay timed and 1 instantaneous
R1/R2
R2 Inst.
T
T
After energisation, once the control contact is
closed the output state changes.
Timing will only begin on the re-opening of
this control contact (one shot).
Relay R returns to its initial position at the
end of the timing period.
U
C
R
T
U
C
R1/R2
Function Ad :
Delay on energisation by switch
(not resettable)
After power-up, pressing or holding down
the switch starts timing. At the end of timing,
the output is energised. The output
will be reset the next time the switch is
pressed or held down.
1 relay
U
C
R
T
T
2 relays timed or
1 relay timed and 1 instantaneous
R2 inst.
T
Function D or Di:
Flip-flop
Repetitive cycle which switches the output
alternately between the rest and operating
position for equal time bases.
T1 + T2 = T total
Function D:
the cycle begins with the output
in rest position. Pause start.
1 relay
U
R
T T
Function Ah :
Flashing single cycle by switch
(not resettable)
After power-up, pressing or holding down
the switch starts timing. At the end of timing,
the output is energised. At the end of this
second timing, the output falls back to
its initial value.
U
R1/R2
T T
R2 Inst.
U
C
R1/R2
R2 Inst.
T
T
T
T
2 relays timed or
1 relay timed and 1 instantaneous
1 relay
Function Di:
the cycle begins with the output
in the operating position. Pulse start.
U
R
T T
U
R1/R2
Function At:
Timing on energisation with memory
1 relay
2 relays timed or
1 relay timed and 1 instantaneous
T T
2 Inst.
Provides a cumulative time for contact
opening.
The output changes states at the end of the
set time.
U
C
R
t1
t2
T = t1+t2
Function H:
Timing on energisation
Interval timer - one shot
On energisation, the output changes state,
remains in that state for the duration of timing
and resets at the end of the single cycle.
N.B.
This is complementary to function A.
2 relays timed or
1 relay timed and 1 instantaneous
1 relay
U
R
T
U
C
R1/R2
2 relays timed or
1 relay timed and 1 instantaneous
t1
R2 Inst.
t2
T = t1+t2
U
R1/R2
T
R2 Inst.
1/10
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