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
Overload Adjustment Current Min
Overload Adjustment Current Max
Coil Voltage AC Max
Product Range
Packaging
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21AM3714

RoHS

Each
1+
$72.530
Min: 1 / Mult: 1
1A
1.6A
-
RF38 Series
80C0959

RoHS

Each
1+
$136.440
5+
$127.170
10+
$116.570
25+
$109.280
50+
$96.040
More Pricing...
Min: 1 / Mult: 1
1A
1.6A
690V
TeSys Series
52T4254

RoHS

Each
1+
$136.440
5+
$127.170
10+
$116.570
25+
$109.280
50+
$96.040
More Pricing...
Min: 1 / Mult: 1
1A
1.6A
690V
TeSys Series
71K2072

RoHS

Each
10+
$48.450
50+
$45.900
100+
$44.370
Min: 10 / Mult: 10
1A
1.6A
-
CGT Series
80C0928

RoHS

Each
1+
$125.300
10+
$116.390
25+
$108.760
50+
$104.940
100+
$101.130
Min: 1 / Mult: 1
1A
1.6A
690V
TeSys Series
89H5180

RoHS

Each
1+
$136.480
5+
$127.200
10+
$116.600
25+
$109.320
50+
$96.070
More Pricing...
Min: 1 / Mult: 1
1A
1.6A
690V
TeSys Series
73M2928

RoHS

Each
10+
$69.350
50+
$65.700
100+
$63.510
Min: 10 / Mult: 10
1A
1.6A
-
GT Series
49AC8347

RoHS

Each
1+
$30.620
25+
$28.320
50+
$26.540
100+
$25.770
250+
$25.000
Min: 1 / Mult: 1
1A
1.6A
-
-
97AK5009

RoHS

Each
1+
$81.580
10+
$74.150
25+
$73.090
50+
$71.200
100+
$66.330
More Pricing...
Min: 1 / Mult: 1
1A
1.6A
-
-
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