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Newark offers high-performance thermal overload relays designed to protect motors from overheating and excessive current. Our relays are sourced from trusted manufacturers and are available in various configurations to match your specific application needs.

Thermal overload relays use temperature-sensitive elements to detect and respond to overheating conditions. When the motor exceeds the preset temperature limit, the relay disconnects the circuit, preventing damage to the motor and associated components.

Applications:

  • Industrial Motors: Preventing damage from thermal overload.
  • HVAC Systems: Ensuring safe compressor operation.
  • Pumps and Fans: Protecting motors in continuous operation.
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Manufacturer Part No
Order Code
Manufacturer / Description
Availability
Price for
Price
Quantity
Overload Adjustment Current Min
Overload Adjustment Current Max
Coil Voltage AC Max
Coil Voltage DC Max
Product Range
51M9253

Date/Lot Code

Each
1+$114.930
5+$109.620
10+$104.300
25+$101.680
50+$99.960
More Pricing...
1.5A
6A
-
24V
-
11R1564

RoHS

Date/Lot Code

Each
1+$252.220
5+$247.180
10+$242.130
25+$237.090
50+$232.040
48A
65A
-
-
TeSys Deca Overload Relay
31C9384

Date/Lot Code

Each
1+$197.450
5+$172.770
10+$143.150
25+$128.340
50+$118.470
More Pricing...
9A
13A
-
-
TeSys Deca Overload Relay
31C9381

Date/Lot Code

Each
1+$197.450
5+$172.770
10+$143.150
25+$128.340
50+$118.470
More Pricing...
4A
6A
-
-
TeSys Deca Overload Relay
31C9382

Date/Lot Code

Each
1+$197.450
5+$172.770
10+$143.150
25+$128.340
50+$118.470
More Pricing...
5.5A
8A
-
-
TeSys Deca Overload Relay
31C9383

Date/Lot Code

Each
1+$197.450
5+$172.770
10+$143.150
25+$128.340
50+$118.470
More Pricing...
7A
10A
-
-
TeSys Deca Overload Relay
31C9385

Date/Lot Code

Each
1+$198.320
5+$173.530
10+$143.780
25+$128.910
50+$118.990
More Pricing...
12A
18A
-
-
TeSys Deca Overload Relay
46K3327

Date/Lot Code

Each
1+$384.750
5+$370.040
10+$355.330
25+$341.610
50+$327.880
-
32A
-
-
C306 Series
67AH2778

RoHS

SCHNEIDER ELECTRIC
Each
1+$92.470
5+$91.880
10+$91.290
25+$90.100
50+$78.280
More Pricing...
1.8A
2.6A
-
-
TeSys
73M2932

RoHS

Each
1+$86.220
10+$82.370
50+$78.520
100+$76.210
12A
18A
-
-
-
43AJ7092

RoHS

Date/Lot Code

Each
1+$42.690
5+$41.840
10+$40.980
25+$40.130
50+$39.270
More Pricing...
23A
32A
-
-
Easy TeSys DPER Series
43AJ7079

RoHS

Date/Lot Code

Each
1+$29.030
5+$28.450
10+$27.870
25+$27.290
50+$26.710
More Pricing...
160mA
250mA
-
-
Easy TeSys DPER Series
24AJ1139

RoHS

Each
1+$248.530
5+$245.540
10+$242.540
25+$239.550
50+$236.550
More Pricing...
37A
50A
-
-
TeSys Deca Overload Relay
73M2944

RoHS

Date/Lot Code

Each
1+$140.000
18A
25A
-
-
GT Series
46AM4267

RoHS

Each
1+$94.250
5+$92.370
10+$90.480
25+$88.600
50+$86.710
More Pricing...
1A
1.6A
-
-
RF38 Series
46AM4268

RoHS

Each
1+$94.250
5+$92.370
10+$90.480
25+$88.600
50+$86.710
More Pricing...
1.6A
2.5A
-
-
RF38 Series
46AM4275

RoHS

Each
1+$111.250
5+$108.470
10+$105.680
25+$103.570
50+$101.450
More Pricing...
20A
25A
-
-
RF38 Series
46AM4278
Each
1+$135.720
5+$132.190
10+$129.390
25+$126.150
50+$123.540
20A
33A
-
-
RF82 Series
46AM4273

RoHS

Each
1+$115.610
5+$112.720
10+$109.830
25+$104.050
50+$98.270
More Pricing...
13A
18A
-
-
RF38 Series
46AM4281
Each
1+$222.390
5+$216.830
10+$211.270
25+$207.040
50+$202.820
46A
65A
-
-
RF82 Series
46AM4280
Each
1+$222.390
5+$216.830
10+$211.270
25+$207.040
50+$202.820
35A
50A
-
-
RF82 Series
46AM4271

RoHS

Each
1+$94.250
5+$92.370
10+$90.480
25+$88.600
50+$86.710
More Pricing...
6.3A
10A
-
-
RF38 Series
46AM4272

RoHS

Each
1+$94.250
5+$92.370
10+$90.480
25+$88.600
50+$86.710
More Pricing...
9A
14A
-
-
RF38 Series
46AM4266

RoHS

Each
1+$88.910
5+$86.690
10+$84.470
25+$82.780
50+$81.090
More Pricing...
630mA
1A
-
-
RF38 Series
46AM4274

RoHS

Each
1+$111.250
5+$108.470
10+$105.680
25+$103.570
50+$101.450
More Pricing...
17A
23A
-
-
RF38 Series
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