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
Overload Adjustment Current Max
Coil Voltage AC Max
Coil Voltage DC Max
Product Range
Packaging
Filter(s) Applied
1 Filter(s) Selected
ComparePrice forQuantity
51M9250
Each
1+
$144.820
5+
$141.200
10+
$137.580
25+
$125.570
50+
$115.300
More Pricing...
Min: 1 / Mult: 1
1.5A
6A
-
24V
-
51M9253

Date/Lot Code

Each
1+
$110.940
5+
$108.180
10+
$105.400
25+
$99.860
50+
$94.300
More Pricing...
Min: 1 / Mult: 1
1.5A
6A
-
24V
-
80Y2690
Each
1+
$376.590
5+
$364.630
10+
$348.160
25+
$331.650
50+
$288.990
Min: 1 / Mult: 1
3A
6A
240V
240V
EMT6
51M9249

Date/Lot Code

Each
1+
$87.680
5+
$85.490
10+
$83.290
25+
$78.910
50+
$74.530
More Pricing...
Min: 1 / Mult: 1
1.5A
6A
120V
-
-
51M9252

Date/Lot Code

Each
1+
$87.590
5+
$85.410
10+
$83.220
25+
$78.830
50+
$74.450
More Pricing...
Min: 1 / Mult: 1
1.5A
6A
120V
-
-
43AJ7086

RoHS

Date/Lot Code

Each
1+
$36.410
Min: 1 / Mult: 1
4A
6A
-
-
Easy TeSys DPER Series
31C9381

Date/Lot Code

Each
1+
$108.520
Min: 1 / Mult: 1
4A
6A
-
-
TeSys Deca Overload Relay
51M9251

RoHS

Each
1+
$149.100
5+
$144.820
10+
$135.700
25+
$123.600
50+
$113.480
More Pricing...
Min: 1 / Mult: 1
1.5A
6A
-
24V
-
73M2938

RoHS

Each
10+
$83.150
50+
$79.140
100+
$76.730
Min: 10 / Mult: 10
4A
6A
-
-
GT Series
74R5389

RoHS

Each
1+
$60.760
5+
$55.120
10+
$53.500
25+
$52.440
50+
$49.910
More Pricing...
Min: 1 / Mult: 1
4A
6A
-
-
MC Series
73M2948

RoHS

Each
1+
$154.000
Min: 5 / Mult: 1
4A
6A
-
-
GT Series
06WX4091
Each
1+
$101.280
10+
$92.620
25+
$91.390
50+
$89.190
100+
$83.510
More Pricing...
Min: 1 / Mult: 1
4A
6A
-
-
-
49AC8350

RoHS

Each
1+
$36.650
25+
$34.150
50+
$32.210
100+
$31.390
250+
$30.560
Min: 1 / Mult: 1
4A
6A
-
-
-
67AH2766

RoHS

SCHNEIDER ELECTRIC
Each
1+
$84.510
10+
$79.580
25+
$72.960
50+
$68.820
100+
$61.600
More Pricing...
Min: 1 / Mult: 1
4A
6A
-
-
TeSys Deca Overload Relay
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