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
Packaging
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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
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
-
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
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