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Hartland Controls, a Littelfuse company, designs and manufactures definite purpose contactors, relays, transformers, and electrical controls for HVAC, refrigeration, and industrial applications.
Parts that are not part of a series
Company background and product focus
Hartland Controls, acquired by Littelfuse in 2021, specializes in mission-critical electrical components for HVAC and industrial control applications. Operating manufacturing facilities in Rock Falls, Illinois and Shanghai, China, Hartland delivers products engineered to rigorous domestic and international standards.
The Hartland Controls product line includes:
Hartland Controls components serve diverse markets including HVAC systems, refrigeration equipment, overhead doors, irrigation controls, welding equipment, pool and spa systems, and EV charging infrastructure. Their cost-effective solutions are custom engineered to meet specific OEM requirements while maintaining the reliability expected in mission-critical applications.
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Product families from Hartland Controls/Littelfuse
| Series | Category | Parts | Status | Description |
|---|---|---|---|---|
| Series | Category | Parts | Status | Description |
|---|---|---|---|---|
| Relays | 2 | Active |
Parts from Hartland Controls/Littelfuse that are not part of a series
| Part Information | Pricing (lowest) | Contact Rating (Current) | Must Release Voltage | Relay Type | Coil Type | Contact Form | Operating Temperature (Min) | Operating Temperature (Max) | Coil Voltage | Mounting Type | Quick Connect Size (0.250") | Termination Style | Must Operate Voltage | Must Release Voltage Type | Package / Case | Voltage - Reverse Standoff (Max) | Grade | Power Line Protection | Voltage - Clamping (Max) (Typ) | Current - Peak Pulse | Capacitance | Applications | Voltage - Breakdown (Typ) | Qualification | Package Name | Type | Bidirectional Channels | Voltage - Rated | Height - Seated (Max) | Dielectric Material | Size / Dimension Diameter | Tolerance | Lifetime | Size / Dimension Width | Size / Dimension Length | Polarization |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 Hartland Controls/Littelfuse RELAY GEN PURPOSE SPST 18A 24V | Sign in to see pricing | 18 A | 4.8 VAC | General Purpose | Non Latching | 1, DM, Form, SPST-NO, X | -40 °C | 65 °C | 24 VDC | Chassis Mount | 0.25 in | Quick Connect | 20.4 VDC | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Hartland Controls/Littelfuse RELAY GEN PURPOSE SPST 18A 120V | Sign in to see pricing | 18 A | 24 VDC | General Purpose | Non Latching | 1, DM, Form, SPST-NO, X | -40 °C | 65 °C | 120 V | Chassis Mount | 0.25 in | Quick Connect | 102 VAC | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Hartland Controls/Littelfuse RELAY GEN PURPOSE SPDT 18A 120V | Sign in to see pricing | 18 A | 24 VDC | General Purpose | Non Latching | 1, C, Form, SPDT | -40 °C | 65 °C | 120 V | Chassis Mount | 0.25 in | Quick Connect | 102 VAC | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Hartland Controls/Littelfuse RELAY GEN PURPOSE SPDT 18A 240V | Sign in to see pricing | 18 A | 48 V | General Purpose | Non Latching | 1, C, Form, SPDT | -40 °C | 65 °C | 240 V | Chassis Mount | 0.25 in | Quick Connect | 176 VAC | AC | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
 Hartland Controls/Littelfuse RELAY GEN PURPOSE DPDT 15A 240V | Sign in to see pricing | 15 A | 48 V | General Purpose | Non Latching | 2, 2 Form C, C, DPDT, Form | -40 °C | 65 °C | 240 V | Chassis Mount | 0.25 in | Quick Connect | 176 VAC | AC | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
Hartland Controls/Littelfuse RELAY GEN PURPOSE SPDT 18A 24V | Sign in to see pricing | 18 A | 4.8 VAC | General Purpose | Non Latching | 1, C, Form, SPDT | -40 °C | 65 °C | 24 VDC | Chassis Mount | 0.25 in | Quick Connect | 20.4 VDC | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
 Hartland Controls/Littelfuse TVS DIODE 5VWM 6.5VC SOD882 | Sign in to see pricing | — | — | — | — | — | -40 °C | 150 °C | — | Surface Mount | — | — | — | — | SOD-882 | 5 V | Automotive | No | 6.5 V | 7 A | 0.25 pF | Ethernet, HDMI, USB | 8 V | AEC-Q101 | SOD-882 | Zener | 1 | — | — | — | — | — | — | — | — | — |
 Hartland Controls/Littelfuse CAP FILM 10UF/10UF 370-440V RND | Sign in to see pricing | — | — | — | — | — | — | — | — | Chassis Mount | — | — | — | — | Can - QC Terminals, Radial | — | — | — | — | — | 10 µF | Motor Run | — | — | — | — | — | 440 V | 3 in | Metallized, Polypropylene (PP) Film | 2 in | 3 % | — | — | — | — |
 Hartland Controls/Littelfuse CAP ALUM 12.5UF 3% 440V QC CHAS | Sign in to see pricing | — | — | — | — | — | -40 °C | 70 °C | — | Chassis Mount | — | — | — | — | Can - QC Terminals, Radial | — | — | — | — | — | — | Motor Start | — | — | — | — | — | 440 V | 2.13 in | — | — | 3 % | 60000 Hrs | 2.13 in | 3.42 in | Polar |
 Hartland Controls/Littelfuse CAP ALUM 12UF 3% 440V QC CHAS MT | Sign in to see pricing | — | — | — | — | — | -40 °C | 70 °C | — | Chassis Mount | — | — | — | — | Can - QC Terminals, Radial | — | — | — | — | — | — | Motor Start | — | — | — | — | — | 440 V | 2.13 in | — | — | 3 % | 60000 Hrs | 2.13 in | 3.42 in | Polar |