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Datasheet: 41AA1600E (Texas Instruments)

40/41/42AA Series ELECTRONIC MOTOR PROTECTION

 

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Texas Instruments
The 40AA, 41AA, and 42AA series
electronic motor protection modules
combine high performance and function
consolidation in order to provide reliable,
cost effective protection for your motor
needs. Used with Positive Temperature
Coefficient (PTC) sensors the
40/41/42AA modules protect against
locked rotor conditions, running overload
and high ambient temperature. The
innovative design offers additional
functions as well, such as minimum off
time delay, low voltage cutout and
bearing temperature protection. Also the
device is very safe and easy to calibrate
for voltage (no jumper is required).
Thermal protection is achieved by
monitoring the temperature of the motor
windings with PTC sensors. These
sensors can be the Klixon BA series or
any other compatible PTC sensor rated
Mark A or B. If the windings exceed the
rated trip temperature the sensor
undergoes a rapid change in resistance
relative to the change in temperature. As
a result of this change, the 40/41/42AA
modules' internal relays de-energize the
control coil of the external line break
contactor.
As the motor cools and acceptable motor
winding temperatures have been restored
the sensor resistance decreases to the
reset level. At this point the module will
reset itself automatically unless it was
set up for manual reset. In this case the
user is required to remove power from
the system for a minimum of 5 seconds.
The 40/41/42AA series modules are
Product Overview
ideal for many applications in the
HVAC/R industry as well as for industrial
systems. Some applications include
global commercial rooftop A/C, global
chiller applications, industrial pumps,
material handlers, elevators, escalators,
air compressors and industrial systems.
Product Specifications
General Specifications
Units
Min.
Typical
Maximum
None
None
None
None
Yes
Yes
Yes
None
None
Yes
Yes
None
None
None
None
Automatic
Automatic
Automatic
Manual
Automatic
Automatic
Automatic
Manual
Automatic
Automatic
Manual
Automatic
Automatic
Automatic
Automatic
Number
Channels
Line
Voltage
Sensor
Type
Time
Delay
Low
Voltage
Auto/Man
Reset
40AA110E
40AA115E
41AA1105A
41AA1500E
41AA1600A
41AA1600E
41AA1606E
42AA100E
40AA100E
40AA300E
41AA1504E
40AA200E
40AA100A
40AA200A
40AA102A
1
1
3
3
3
3
3
1
1
1
3
1
1
1
1
120/240
120/240
24
120/240
24V
120/240
120/240
120/240
120/240
120/240
120/240
120/240
24V
24V
24V
Mark A
Mark A
Mark B
Mark B
Mark B
Mark B
Mark B
Mark B
Mark B
Mark B
Mark B
Mark B
Mark B
Mark B
Mark B
None
5 min.
4 min.
None
2 min.
2 min.
4 min.
None
None
4 min.
None
4min.
None
4 min.
None
Sensors/
Channels
3
3
1
1
1
1
1
3
3
3
1
3
3
3
2
Printed in U.S.A. 1
1/2003
Operating Temperature Range
Supply Voltage
24 or 115-230 (
15%)
Rated Line Frequency
Low Voltage Cut-Out Trip (24V Input)
Low Voltage Cut-In Reset
Low Voltage Cut-Out Trip (120V Input)
Low Voltage Cut-In Reset
Low Voltage Cut-Out Trip (240V Input)
Low Voltage Cut-In Reset
Max.
oC
VAC
Hz
VAC
VAC
VAC
VAC
VAC
VAC
-40
45
15
79.5
160
50/60
16
85
170
+70
62
17
18
90.5
94.5
180
184
40/41/42AA Series
ELECTRONIC
MOTOR PROTECTION
Summary of Protection
Features
For further information write or call:
Texas Instruments Incorporated
34 Forest St., MS 2-3
Attleboro, MA 02703-0964
Phone: (508) 236-3617
Fax: (508) 236-1949
www.ti.com/snc/products/controls/motor-aa.htm
Protected Conditions
Envelope Drawing
Electrical Schematic
-
Thermal Motor Specification*
Specifications
40AA, 42AA Series
41AA Series
40AA, 42AA Series
41AA Series
40AA Single Channel Ratings (Series Sensors)
Sensor Trip Resistance
Sensor Reset Resistance
Sensor Resistance @ 25oC
41AA Three Channel Ratings (Parellel Sensors)
Sensor Trip Resistance
Sensor Reset Resistance
Sensor Resistance @ 25oC
42AA Single Channel Ratings (Series Sensors)
Sensor Trip Resistance
Sensor Reset Resistance
Sensor Resistance @ 25oC
Nominal Resistance
28.0 K
11.0 K
1.5 - 7.5 K
Nominal Resistance
14.0 K
3.25 K
0.5 - 2.5 K
Nominal Resistance
20.0 K
Manual Reset
1.5 - 7.5 K
*Resistance measurement with analog meter instrument on Mark B sensors.
Locked Rotor
Running Overload
High Motor Ambient
Blocked Ventilation
Single Phasing
Loss of Hermetic Compressor Charge
Thermal overload of Windings
Low Voltage Cutout
Electrically - Isolated Power Supply
Power Off Manual Resaet
Automatic Reset with Minimum Off Delay
Timer
UL File Number SA3745 (41AA)
UL/CSA/CE pending on all other ratings
Supply Voltages........
Frequency..................
Control Circuit..........
Minimum
Permissible Load......
Maximum Load........
Cycle Life..................
Weight.........................
24VAC or
115-230 VAC (
15%)
50/60 Hz
2.5A, 600VA, 250V Max.
5VDC, 100mA
30VDC
250k Cycles Min.
290 Grams
40/41/42AA Series
ELECTRONIC
MOTOR PROTECTION
M1
M2
L1
L2
X
C
81
2x .147 THRU
3.200
2.838
.019
.181
.225
2.550
.020
1.467
2.550
.020
6X .250 X .032 MALE QUICK CONNECT
TERMINAL TIN PLATED BRASS
M1
M2
L1
L2
X
C
81
82
83
2x .147 THRU
3.200
2.838
.019
.181
.225
2.550
.020
1.467
2.550
.020
8X .250 X .032 MALE QUICK CONNECT
TERMINAL TIN PLATED BRASS
Important Notice: Texas Instruments (TI) reserves the right to
make changes to or discontinue any product or service identified
in this publication without notice. TI advises its customers to
obtain the latest version of the relevant information to verify,
before placing any orders, that the information being relied upon
is current. TI assumes no responsibility for infringements of
patents or rights of others based on TI applications assistance
or product specifications since TI does not possess full access
concerning the use or application of customers' products. TI
also assumes no responsibility for customers' product designs.
Printed in U.S.A. 1
1/2003
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