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
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51M9253

Date/Lot Code

Each
1+
$145.480
5+
$141.850
10+
$138.210
25+
$130.940
50+
$123.660
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Min: 1 / Mult: 1
1.5A
6A
-
24V
51M9249

Date/Lot Code

Each
1+
$113.900
5+
$111.050
10+
$108.200
25+
$102.500
50+
$96.820
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Min: 1 / Mult: 1
1.5A
6A
120V
-
51M9252

Date/Lot Code

Each
1+
$113.790
5+
$110.950
10+
$108.100
25+
$102.410
50+
$96.720
More Pricing...
Min: 1 / Mult: 1
1.5A
6A
120V
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51M9250
Each
1+
$177.510
5+
$173.070
10+
$168.640
25+
$153.920
50+
$141.330
More Pricing...
Min: 1 / Mult: 1
1.5A
6A
-
24V
51M9251

RoHS

Each
1+
$197.630
5+
$188.130
10+
$176.280
25+
$160.560
50+
$147.410
More Pricing...
Min: 1 / Mult: 1
1.5A
6A
-
24V
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