The information provided in this documentation contains general descriptions and/or technical characteristics of the performance of the products contained herein.
This documentation is not intended as a substitute for and is not to be used for determining suitability or reliability of these products for specific user applications.
It is the duty of any such user or integrator to perform the appropriate and complete risk analysis, evaluation and testing of the products with respect to the relevant specific application or use thereof.
Neither Schneider Electric Industries SAS nor any of its affiliates or subsidiaries shall be responsible or liable for misuse of the information contained herein.
7/9/2011
1
Product data sheet
Characteristics
RE8TA11BUTQ
industrial timing relay - 0.1..10 s - type A - 24 V
AC/DC, 110..240 V AC - 1 C/O
Main
Range of product Zelio Time
Product or component
type
Optimum industrial timing relay
Component name RE8
Time delay type A
Time delay range 0.1...10 s
[Us] rated supply
voltage
110...240 V AC, 50/60 Hz
24 V AC/DC, 50/60 Hz
Sale per indivisible
quantity
10
Complementary
Discrete output type Relay
Contacts material 90/10 silver nickel contacts
Width pitch dimension 22.5 mm
Voltage range 0.9...1.1 Us
Connections - terminals Screw terminals 2 x 1.5 mm², flexible cablewith cable end
Screw terminals 2 x 2.5 mm², flexible cablewithout cable end
Tightening torque 0.6...1.1 N.m
Setting accuracy of time delay +/- 20 % of full scale
Repeat accuracy < 1 %
Voltage drift < 2.5 %/V
Temperature drift < 0.2 %/°C
Minimum pulse duration 26 ms
Reset time 50 ms
Maximum switching voltage 250 V
Mechanical durability 20000000 cycles
[Ith] conventional free air thermal current 8 A
[Ie] rated operational current <= 2 A at 24 V, DC-13 for 70 °C conforming to IEC 60947-5-1/1991
<= 2 A at 24 V, DC-13 for 70 °C conforming to VDE 0660
<= 3 A at 24 V, AC-15 for 70 °C conforming to IEC 60947-5-1/1991
<= 3 A at 24 V, AC-15 for 70 °C conforming to VDE 0660
<= 0.1 A at 250 V, DC-13 for 70 °C conforming to IEC 60947-5-1/1991
<= 0.1 A at 250 V, DC-13 for 70 °C conforming to VDE 0660
<= 0.2 A at 115 V, DC-13 for 70 °C conforming to IEC 60947-5-1/1991
<= 0.2 A at 115 V, DC-13 for 70 °C conforming to VDE 0660
Minimum switching capacity 10 mA at 12 V
Marking CE
Overvoltage category III conforming to IEC 60664-1
[Ui] rated insulation voltage 250 V conforming to IEC
300 V conforming to CSA
Supply disconnection value > 0.1 Uc
Operating position Any position without derating factor
Surge withstand 2 kV conforming to IEC 61000-4-5 level 3
Power consumption in VA 0.7 VA at 24 V
1.8 VA at 110 V
8.5 VA at 240 V
Power consumption in W 0.5 W at 24 V
Terminal description (15-16-18)OC_OFF
(A1-B1)CO
ALT
2
Height 78 mm
Width 22.5 mm
Depth 80 mm
Product weight 0.11 kg
Environment
Immunity to microbreaks 3 ms
Standards EN/IEC 61812-1
Product certifications CSA
GL
UL
Ambient air temperature for storage -40...85 °C
Ambient air temperature for operation -20...60 °C
Relative humidity 15...85 % 3K3 conforming to IEC 60721-3-3
Vibration resistance 0.35 mm 10...55 Hz conforming to IEC 60068-2-6
Shock resistance 15 gn (duration = 11 ms conforming to IEC 60068-2-27
IP degree of protection IP20 (terminals)
IP50 (casing)
Pollution degree 3 conforming to IEC 60664-1
Dielectric test voltage 2.5 kV
Non-dissipating shock wave 4.8 kV
Resistance to electrostatic discharge 6 kV in contact conforming to IEC 61000-4-2 level 3
8 kV in air conforming to IEC 61000-4-2 level 3
Resistance to electromagnetic fields 10 V/m conforming to IEC 61000-4-3 level 3
Resistance to fast transients 2 kV conforming to IEC 61000-4-4 level 3
Disturbance radiated/conducted CISPR11 group 1- class A
CISPR22 - class A
RoHS EUR status Compliant
RoHS EUR conformity date 0623
3
Product data sheet
Technical Description
RE8TA11BUTQ
Function A: Delay on Energisation
Description
The timing period T begins on energisation. After timing, the output(s) R close(s). The second output can be either timed or instantaneous.
Function: 1 Output
Function: 2 Outputs
2 timed outputs (R1/R2) or 1 timed output (R1) and 1 instantaneous output (R2 inst.)
Legend
Relay de-energised
Relay energised
Output open
Output closed
C Control contact
G Gate
R Relay or solid state output
R1/
R2
2 timed outputs
R2
inst.
The second output is instantaneous if the right position is selected
T Timing period
Ta Adjustable On-delay
Tr Adjustable Off-delay
U Supply
4
Product data sheet
Dimensions Drawings
RE8TA11BUTQ
Width 22.5 mm
Rail Mounting
Screw Fixing
5
Product data sheet
Connections and Schema
RE8TA11BUTQ
Internal Wiring Diagram
Recommended Application Wiring Diagram
6
Product data sheet
Performance Curves
RE8TA11BUTQ
Performance Curves
A.C. Load Curve 1
Electrical durability of contacts on resistive loading millions of operating cycles
X Current broken in A
Y Millions of operating cycles
A.C. Load Curve 2
Reduction factor k for inductive loads (applies to values taken from durability curve 1).
X Power factor on breaking (cos ϕ)
Y Reduction factor k
Example: An LC1-F185 contactor supplied with 115 V/50 Hz for a consumption of 55 VA or a current consumption equal to 0.1 A and cos
ϕ = 0.3. For 0.1 A, curve 1 indicates a durability of approximately 1.5 million operating cycles. As the load is inductive, it is necessary to
apply a reduction coefficient k to this number of cycles as indicated by curve 2. For cos ϕ = 0.3: k = 0.6 The electrical durability therefore
becomes:1.5 106 operating cycles x 0.6 = 900 000 operating cycles.
D. C. Load Limit Curve
X Current in A
Y Voltage in V
1 L/R = 20ms
2 L/R with load protection diode
3 Resistive load
