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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Overload Adjustment Current Min
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21AM3716

RoHS

Each
1+
$79.190
Min: 1 / Mult: 1
2.5A
4A
-
-
RF38 Series
21AM3714

RoHS

Each
1+
$79.190
Min: 1 / Mult: 1
1A
1.6A
-
-
RF38 Series
21AM3724

RoHS

Each
1+
$139.430
Min: 1 / Mult: 1
32A
38A
-
-
RF38 Series
21AM3723

RoHS

Each
1+
$139.430
Min: 1 / Mult: 1
24A
32A
-
-
RF38 Series
21AM3715

RoHS

Each
1+
$79.190
Min: 1 / Mult: 1
1.6A
2.5A
-
-
RF38 Series
21AM3720

RoHS

Each
1+
$89.150
Min: 1 / Mult: 1
13A
18A
-
-
RF38 Series
21AM3713

RoHS

Each
1+
$79.190
Min: 1 / Mult: 1
630mA
1A
-
-
RF38 Series
21AM3721

RoHS

Each
1+
$89.150
Min: 1 / Mult: 1
17A
23A
-
-
RF38 Series
21AM3719

RoHS

Each
1+
$79.190
Min: 1 / Mult: 1
9A
14A
-
-
RF38 Series
73T5680

RoHS

Each
1+
$58.120
Min: 1 / Mult: 1
160A
240A
-
-
GT Series
71K2068

RoHS

Each
1+
$47.860
10+
$47.860
50+
$47.860
100+
$44.440
Min: 1 / Mult: 1
160A
250mA
-
-
CGT Series
43AJ7086

RoHS

Date/Lot Code

Each
1+
$36.410
Min: 1 / Mult: 1
4A
6A
-
-
Easy TeSys DPER Series
43AJ7082

RoHS

Date/Lot Code

Each
1+
$32.410
Min: 1 / Mult: 1
630mA
1A
-
-
Easy TeSys DPER Series
43AJ7081

RoHS

Date/Lot Code

Each
1+
$32.410
10+
$30.460
25+
$28.440
50+
$26.340
100+
$24.780
More Pricing...
Min: 1 / Mult: 1
400mA
630mA
-
-
Easy TeSys DPER Series
43AJ7078

RoHS

Date/Lot Code

Each
1+
$40.710
Min: 1 / Mult: 1
100mA
160mA
-
-
Easy TeSys DPER Series
43AJ7080

RoHS

Date/Lot Code

Each
1+
$36.410
Min: 1 / Mult: 1
250mA
400mA
-
-
Easy TeSys DPER Series
43AJ7079

RoHS

Date/Lot Code

Each
1+
$32.410
Min: 1 / Mult: 1
160A
250mA
-
-
Easy TeSys DPER Series
73M2936

RoHS

Each
10+
$102.750
50+
$97.340
100+
$94.090
Min: 10 / Mult: 10
22A
32A
-
-
-
46K3329
Each
1+
$501.810
5+
$465.160
10+
$449.530
25+
$432.800
50+
$410.850
Min: 1 / Mult: 1
-
32A
-
-
C306 Series
51M9251

RoHS

Each
1+
$155.240
5+
$144.820
10+
$135.700
25+
$123.600
50+
$113.480
More Pricing...
Min: 1 / Mult: 1
1.5A
6A
-
24V
-
80Y2690
Each
1+
$442.340
5+
$430.540
10+
$414.270
25+
$397.950
50+
$355.820
Min: 1 / Mult: 1
3A
6A
240V
240V
EMT6
63Y9399

RoHS

Each
1+
$95.810
10+
$91.020
25+
$86.220
50+
$81.440
100+
$76.650
More Pricing...
Min: 1 / Mult: 1
7.6A
10A
-
-
-
73T5664

RoHS

Each
1+
$271.950
10+
$258.360
50+
$244.760
100+
$236.600
Min: 1 / Mult: 1
110A
150A
-
-
GT Series
73M2967

RoHS

Each
1+
$171.600
Min: 5 / Mult: 1
24A
36A
-
-
GT Series
74R5390

RoHS

Each
1+
$68.360
5+
$62.020
10+
$60.210
25+
$59.000
50+
$56.160
More Pricing...
Min: 1 / Mult: 1
6A
9A
-
-
MC Series
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