SIEMENS World Series:
SIEMENS 3TH Control Relays:
3TH2 3TH3 3TH4 3TH8
SIEMENS 3TH3 Control Relays
Siemens has designed the 3TH3 line to meet or
exceed all worldwide standards and conventions.
The basic 3TH3 control relays contain 4NO, 3NO + 1,
NC, or 2 NO + 2 NC. One to four additional contact
blocks may be snapped onto the basic unit for a total of 8
contacts. Additional contact blocks include NO, NC, Early
Make, and Late Break. A wide range of 60/50Hz AC and DC
coils are available.
Siemens Control Relays - Series 3TH3
3TH30 Relay With 4 Fixed Contacts / AC Coil
| Contactor Selection Chart: |
|
| Photo |
Description |
Number of Contacts |
Contact Type |
Code |
Catalog No |
Price |
| NO |
NC |
 |
Relay with 4 fixed contacts |
4 |
|
|
|
3TH30 |
|
| 4 |
0 |
40E |
3TH3040-0A |
$114.00 |
| 3 |
1 |
31E |
3TH3031-0A |
$114.00 |
| 2 |
2 |
22E |
3TH3022-0A |
$114.00 |
3TH30 Relay With 4 Fixed Contacts / DC Coil
| Contactor Selection Chart: |
|
| Photo |
Description |
Number of Contacts |
Contact Type |
Code |
Catalog No |
Price |
| NO |
NC |
|
Relay with 4 fixed contacts |
4 |
|
|
|
3TH30 |
|
| 4 |
0 |
40E |
3TH3040-0B |
$114.00 |
| 3 |
1 |
31E |
3TH3031-0B |
$114.00 |
| 2 |
2 |
22E |
3TH3022-0B |
$114.00 |
Accessories and Spare Parts for 3TH3 control relays
| Photo |
Description |
For Control Relay |
Auxiliary Contacts |
NO/Early |
NC/LATE |
Block Location |
Catalog No |
Price |
| NO |
NC |
Make |
Break |
 |
Snap on auxiliary contact block. |
3TH30 |
1 |
0 |
- |
- |
Top |
3TX4010-2A |
$23.70 |
| 0 |
1 |
- |
- |
Top |
3TX4001-2A |
$23.70 |
| - |
- |
1 |
- |
Top |
3TX4010-4A |
$23.70 |
| - |
- |
- |
1 |
Top |
3TX4001-4A |
$23.70 |
| Photo |
For Control Relay |
Catalog No |
Price |
24V AC, 60 Hz
24V AC, 50Hz |
120V AC, 60Hz
110V AC, 50Hz |
208V AC, 60Hz
173V AC, 50Hz |
240V AC, 60 Hz
220V AC, 50Hz |
277V AC, 60 Hz
220V AC, 50Hz |
460V AC, 60 Hz
380V AC, 50Hz |
600V AC, 60 Hz
500V AC, 50Hz |
 |
3TH30 |
3TY7403-0AC2 |
3TY7403-0AK6 |
3TY7403-0AM1 |
3TY7403-0AP6 |
3TY7403-0AU1 |
3TY7403-0AV0 |
3TY7403-0AS0 |
$46.80 |
| Surge Suppressors for mounting onto Coil Terminals Selection Chart: |
|
| Photo |
Description |
Votlage |
Catalog No |
Price |
 |
Varistor for AC and DC Operation |
24 to 48VAC; 24V DC to 70V DC |
3TX7402-3G |
$27.00 |
| 48V AC to 127V AC; 70V DC to 150V DC |
3TX7402-3H |
$27.00 |
| 127V AC to 240V AC; 150V DC to 250V DC |
3TX7402-3J |
$27.00 |
| 240V AC to 480V AC |
3TX7402-3K |
$27.00 |
| 400V AC to 600V AC |
3TX7402-3L |
$27.00 |
| Suppression Diode for DC Operation |
24V DC to 250V DC |
3TX7402-3A |
$27.00 |
| RC Elements AC/DC |
24V AC to 48V AC; 24V DC to 70V DC |
3TX7402-3R |
$27.00 |
| 48V AC to 127V AC; 70V DC to 150V DC |
3TX7402-3S |
$27.00 |
| 127V AC to 240V AC; 150V DC to 250V DC |
3TX7402-3T |
$27.00 |
| 240V AC to 400V AC |
3TX7402-3U |
$27.00 |
| 400V AC to 600V AC |
3TX7402-3V |
$27.00 |
Siemens Control Relays- Series 3TH3- Features, Benefits and Description
Features
- 3TH3 control relays have fixed contacts
and are available in 4 pole designs.
- Besides the various NO and NC
combinations, the 3TH3 realys can be
supplied with the make before break
(overlapping) contacts.
- A wide range of 60/50Hz AC and DC coils
are available.
Benefits
- 3TH3 control relays are UL listed and CSA
certified, and also meet the requirements of
DIN VDE 0660 and IEC 947.
- The terminals are marked according to both
North American and international standards.
- 3TH3 control relays are suitable for use
in industrial enviornments and are touch
safe according to DIN VDE 106, part 100.
Description
- 3TH3 control relays feature
a double bridge contact design that
insures a high degree of contact reliability
at low energy levels.
- The contacts are rated NEMA A600
for heavy duty control circuit applications.
- 3TH3 control relays are classified
as positive drive and are suitable for
use on power operated presses.
