Littelfuse, Inc. Datasheets for Electromechanical Relays
Electromechanical relays are devices that complete or interrupt a circuit by physically moving electrical contacts into contact with each other.
Electromechanical Relays: Learn more
| Product Name | Notes |
|---|---|
| EL-731-21-00 is an earth-leakage relay with a supply voltage dc of 24 and offers communications via DeviceNet™. | |
| EL731-00-00 is an earth-leakage relay with a supply voltage ac of 120–240 and a supply voltage dc of 120–240. | |
| EL731-00-10 is an earth-leakage relay with a supply voltage ac of 120–240 and a supply voltage dc of 120–240. | |
| EL731-01-00 is an earth-leakage relay with a supply voltage ac of 120–240 and a supply voltage dc of 120–240. Communications is offered via DeviceNet™. | |
| EL731-01-10 is an earth-leakage relay with a supply voltage ac of 120–240 and a supply voltage dc of 120–240. Communications is offered via DeviceNet™. | |
| EL731-02-00 is an earth-leakage relay with a supply voltage ac of 120–240 and a supply voltage dc of 120–240. Communications is offered via Profibus®. | |
| EL731-02-10 is an earth-leakage relay with a supply voltage ac of 120–240 and a supply voltage dc of 120–240. Communications is offered via DeviceNet™. | |
| EL731-03-00 is an earth-leakage relay with a supply voltage ac of 120–240 and a supply voltage dc of 120–240. Communications is offered via EtherNet-IP™. | |
| EL731-03-10 is an earth-leakage relay with a supply voltage ac of 120–240 and a supply voltage dc of 120–240. Communications is offered via EtherNet-IP™. | |
| EL731-04-00 is an earth-leakage relay with a supply voltage ac of 120–240 and a supply voltage dc of 120–240. Communications is offered via Modbus®TCP. | |
| EL731-04-10 is an earth-leakage relay with a supply voltage ac of 120–240 and a supply voltage dc of 120–240. Communications is offered via Modbus®TCP. | |
| EL731-10-00 is an earth-leakage relay with a supply voltage ac of 24 and a supply voltage dc of 48. | |
| EL731-10-10 is an earth-leakage relay with a supply voltage ac of 24 and a supply voltage dc of 48. | |
| EL731-11-00 is an earth-leakage relay with a supply voltage ac of 24 and a supply voltage dc of 48. Communications is offered via DeviceNet™. | |
| EL731-11-10 is an earth-leakage relay with a supply voltage ac of 24 and a supply voltage dc of 48. Communications is offered via DeviceNet™. | |
| EL731-12-00 is an earth-leakage relay with a supply voltage ac of 24 and a supply voltage dc of 48. Communications is offered via Profibus®. | |
| EL731-12-10 is an earth-leakage relay with a supply voltage ac of 24 and a supply voltage dc of 48. Communications is offered via DeviceNet™. | |
| EL731-13-00 is an earth-leakage relay with a supply voltage ac of 24 and a supply voltage dc of 48. Communications is offered via EtherNet-IP™. | |
| EL731-13-10 is an earth-leakage relay with a supply voltage ac of 24 and a supply voltage dc of 48. Communications is offered via EtherNet-IP™. | |
| EL731-14-00 is an earth-leakage relay with a supply voltage ac of 24 and a supply voltage dc of 48. Communications is offered via Modbus®TCP. | |
| EL731-14-10 is an earth-leakage relay with a supply voltage ac of 24 and a supply voltage dc of 48. Communications is offered via Modbus®TCP. | |
| EL731-20-00 is an earth-leakage relay with a supply voltage dc of 24 and measures 1.9H X 3.8W X 5.0D. | |
| EL731-20-10 is an earth-leakage relay with a supply voltage dc of 24 and measures 1.9H X 3.8W X 5.0D. | |
| EL731-21-10 is an earth-leakage relay with a supply voltage dc of 24 and offers communications via DeviceNet™. | |
| EL731-22-00 is an earth-leakage relay with a supply voltage dc of 24 and offers communications via Profibus®. | |
| EL731-22-10 is an earth-leakage relay with a supply voltage dc of 24 and offers communications via Profibus®. | |
| EL731-23-00 is an earth-leakage relay with a supply voltage dc of 24 and offers communications via EtherNet-IP™. | |
| EL731-23-10 is an earth-leakage relay with a supply voltage dc of 24 and offers communications via EtherNet-IP™. | |
| EL731-24-00 is an earth-leakage relay with a supply voltage dc of 24 and offers communications via Modbus®TCP. | |
| EL731-24-10 is an earth-leakage relay with a supply voltage dc of 24 and offers communications via Modbus®TCP. | |
| Our ISO Mini Relays are compact, modular, general-purpose relays that allow you to tailor your vehicle's hard-wired box for the capability you need, including lighting, starting, horn, heating and cooling,... | |
| PC-100-LLC-CZ is a liquid level control relay with an input voltage ac of 95–120 and an adjustable probe sensitivity from 4.7–100 kΩ. | |
| PC-100-LLC-GM is a liquid level control relay with an input voltage ac of 95–120 and an adjustable probe sensitivity from 4.7–100 kΩ. | |
| PC-102CICI-DL is a dual seal-leak detector that uses inputs to sense seal failures and energize the output relay. Input logic (direct or inverted) is DIP-switch selectable. See datasheet for detailed... | |
| PC-102CICI-LT is a seal-leak and over-temperature detector that uses one input to sense seal failures and the temperature input to detect motor overheating. This unit is configurable to suit various... | |
| PC-200-LLC-CZ is a liquid level control relay with an input voltage ac of 190–240 and an adjustable probe sensitivity from 4.7–100 kΩ. | |
| PC-200-LLC-GM is a liquid level control relay with an input voltage ac of 190–240 and an adjustable probe sensitivity from 4.7–100 kΩ. | |
| PGR-3100 is a ground-fault indication system with a supply voltage ac of 600 (none for dc) and measures 88.9x108x54 mm. | |
| PGR-3200 is a ground-fault and insulation monitor with a supply voltage ac of 240. | |
| PGR-3200-120 is a ground-fault and insulation monitor with a supply voltage ac of 120. | |
| PGR-4300-12 is a generator ground-fault relay with a supply voltage dc of 12. | |
| PGR-4300-120 is a generator ground-fault relay with a supply voltage ac of 120. | |
| PGR-4300-24 is a generator ground-fault relay with a supply voltage dc of 24. | |
| PGR-4700-120 is a sensitive ground-fault relay with a supply voltage ac of 120. | |
| PGR-4700-24 is a sensitive ground-fault relay with a supply voltage ac and dc of 24. | |
| PGR-4700-240 is a sensitive ground-fault relay with a supply voltage ac of 240. | |
| PGR-6100-120 is a ground-fault and insulation relay with a supply voltage of 120 V ac and 24 V dc. | |
| PGR-6100-240 is a ground-fault and insulation relay with a supply voltage of 240 V ac. | |
| PGR-6101-120 is a ground-fault and insulation monitor with a supply voltage ac of 120. | |
| PGR-8800-00 is an arc-flash relay with a supply voltage ac of 120–240 and a supply voltage dc of 12–48, 120–240. | |
| PGR-8800-00-CC is an arc-flash relay with a supply voltage ac of 120–240 and a supply voltage dc of 12–48, 120–240. This unit is conformally coated. | |
| PHST-38QTN is a probe holder designed for maximum steam pressure of 240 PSI and a maximum temperature of 204° C (400° F). | |
| Relays, Contactors & Transformers - Protection Relays - Feeder Protection - Series: PGR-7200 - PGR-7200-00-00-FPU | |
| Relays, Contactors & Transformers - Protection Relays - Feeder Protection - Series: PGR-7200 - PGR-7200-00-00 | |
| Relays, Contactors & Transformers - Protection Relays - Feeder Protection - Series: PGR-7200 - PGR-7200-01-00-FPU | |
| Relays, Contactors & Transformers - Protection Relays - Feeder Protection - Series: PGR-7200 - PGR-7200-01-00 | |
| Relays, Contactors & Transformers - Protection Relays - Feeder Protection - Series: PGR-7200 - PGR-7200-02-00-FPU | |
| Relays, Contactors & Transformers - Protection Relays - Feeder Protection - Series: PGR-7200 - PGR-7200-02-00 | |
| Relays, Contactors & Transformers - Protection Relays - Feeder Protection - Series: PGR-7200 - PGR-7200-04-00-FPU | |
| Relays, Contactors & Transformers - Protection Relays - Feeder Protection - Series: PGR-7200 - PGR-7200-04-00 | |
| Relays, Contactors & Transformers - Protection Relays - Motor & Pump Protection - Series: PGR-6130 - PGR-6131-120 | |
| Relays, Contactors & Transformers - Protection Relays - Motor & Pump Protection - Series: PGR-6130 - PGR-6131-240 | |
| Relays, Contactors & Transformers - Protection Relays - Motor & Pump Protection - Series: PGR-6130 - PGR-6131-24 | |
| Relays, Contactors & Transformers - Protection Relays - Motor & Pump Protection - Series: PGR-6130 - PGR-6132-120 | |
| Relays, Contactors & Transformers - Protection Relays - Motor & Pump Protection - Series: PGR-6130 - PGR-6132-240 | |
| Relays, Contactors & Transformers - Protection Relays - Motor & Pump Protection - Series: PGR-6130 - PGR-6132-24 | |
| Relays, Contactors & Transformers - Protection Relays - Motor & Pump Protection - Series: PGR-6130 - PGR-6133-120 | |
| Relays, Contactors & Transformers - Protection Relays - Motor & Pump Protection - Series: PGR-6130 - PGR-6133-240 | |
| Relays, Contactors & Transformers - Protection Relays - Motor & Pump Protection - Series: PGR-6130 - PGR-6133-24 | |
| The DLMU Series is a universal voltage, 3-phase voltage monitor. It continuously measures the voltage of each of the three phases with microcontroller accuracy and compares the value to preset... | |
| The EVR Series printed circuit board (PCB) two-pole (2P) ac power relay is designed to switch EV charging applications on and off. Its extended contact gap of greater than 3... | |
| The FPS (Feeder Protection System) is a feeder-protection relay that provides current, voltage, and temperature protection for feeder applications. It offers integrated breaker or contactor control, data logging, and a... | |
| The FPU-32 is a feeder-protection relay that provides integrated protection, metering, and data-logging functions.Two set-point groups can be used for:• Maintenance setting to reduce fl ash hazard• Two different loads• | |
| The HLMU Series is a universal voltage, encapsulated, 3-phase voltage monitor. It continuously measures the voltage of each of the three phases with microcontroller accuracy and compares the value to... | |
| The HLV Series is a single-phase undervoltage monitor designed to protect sensitive equipment from brownout or undervoltage conditions. Time delays are included to prevent nuisance tripping and short cycling. The... | |
| The HRDB Series combines an electromechanical, relay output with microcontroller timing circuitry. The HRDB offers 12 to 230V operation in five options and factory fixed, external, or onboard adjustable time... | |
| The HRDI Series combines an electromechanical relay output with microcontroller timing circuitry. It offers 12 to 230V operation in five ranges and factory fixed, external, or onboard adjustable time delays... | |
| The HRDM Series combines an electromechanical relay output with microcontroller timing circuitry. It offers 12 to 230V operation in five ranges and factory fixed, onboard, or external adjustable time delays... | |
| The HRDR Series combines an electromechanical relay and microcontroller timing circuitry. It offers 12 to 230V operation in five ranges and factory fixed, onboard or externally adjustable time delays with... | |
| The HRDS Series combines an electromechanical relay output with microcontroller timing circuitry. It offers 12 to 230V operation in five options and factory fixed, onboard or external adjustable time delays... | |
| The HRPS and HRIS Series combine an electromechanical relay output with microcontroller timing circuitry. It is a factory programmed module available in any 1 of 13 standard functions. It offers... | |
| The Informer is a hand-held diagnostic tool designed for use with single-phase models equipped with infrared LED transmitters (111-Insider-P; 231-Insider-P; 232-Insider; 111P; 233P; 233P-1.5; 234-P and 235P). The Informer uses... | |
| The ISO Power Relays Series offers a variety of automotive plug-in relays featuring a 12 V isolated coil. Adhering to the ISO Maxi Relay form factor, these power relays plug... | |
| The KRDS Series is a compact time delay relay measuring only 2 in. (50.8 mm) square. Its microcontroller timing circuit provides excellent repeat accuracy and stability. Encapsulation protects against shock,... | |
| The KVM Series is a single-phase undervoltage monitor designed to protect sensitive equipment against brownout undervoltage conditions. The compact design and encapsulated construction make the KVM an excellent choice for... | |
| The MP8000 is an advanced motor protection electronic overload relay that is fully programmable via Bluetooth® using an iPhone or Android smartphone/tablet with the Littelfuse app. It has an input... | |
| The MPS-CTU-02-00 is a motor protection system with a supply voltage between 65–265 V ac and 80–275 V dc. This unit monitors voltage, current, and temperature with communication via RS/TIA-485... | |
| The MPS-OPI-01-00 (MPS-OPI) is the recommended 4 x 20 vacuum-fluorescent operator interface display for the MPS Motor Protection System. | |
| The OptoMOS® line of AC Power Relays uses dual power SCR outputs to produce an alternative to optocoupler and Triac circuits. These switches provide a blocking voltage of up to... | |
| The OptoMOS® line of power products uses dual power SCR outputs to produce an alternative to optocoupler and Triac circuits. These switches provide a blocking voltage of up to 800V. | |
| The OptoMOS® line of solid state relays uses discrete semiconductor components and the patented OptoMOS® architecture to deliver fast, reliable, bounce-free switching in a compact design. From small single-pole, 4-pin... | |
| The ORB Series open PCB construction offers the user good economy without sacrificing performance and reliability. The output relay is available in isolated, 10A, DPDT or SPDT forms. The time... | |
| The ORM Series features open PC board construction for reduced cost. It has isolated, 10A, DPDT relay contacts and all connections are 0.25 in (6.35 mm) male quick connect terminals. | |
| The ORS Series’ open PCB construction offers the user good economy without sacrificing performance and reliability. The output relay is available in isolated, 10A, DPDT or SPDT forms. The time... | |
| The PHS120A10 relay provides phase control protection with input voltage at 120 V ac and output load rating at steady state (100% on) of 10 A; inrush of 100 A. | |
| The PHS120A20 relay provides phase control protection with input voltage at 120 V ac and output load rating at steady state (100% on) of 20 A; inrush of 200 A. | |
| The PHS120A6 relay provides phase control protection with input voltage at 120 V ac and output load rating at steady state (100% on) of 6 A; inrush of 60 A. | |
| The PHS230A10 relay provides phase control protection with input voltage at 230 V ac and output load rating at steady state (100% on) of 10 A; inrush of 100 A. | |
| The PHS230A20 relay provides phase control protection with input voltage at 230 V ac and output load rating at steady state (100% on) of 20 A; inrush of 200 A. | |
| The PHS230A6 relay provides phase control protection with input voltage at 230 V ac and output load rating at steady state (100% on) of 6 A; inrush of 60 A. | |
| The PLM Series is a 3-phase voltage monitor that continuously monitors each of the three phases. Monitors both delta and wye systems and no connection to neutral is required. The... | |
| The PLMU11 continuously measures the voltage of each of the three phases to provide protection for 3-phase motors and sensitive loads. Its microcontroller senses under and overvoltage, voltage unbalance, phase... | |
| The PLR Series provides a cost effective means of preventing 3-phase motor startup during adverse voltage conditions. Proper A-B-C sequence must occur in order for the PLR’s output contacts to... | |
| The PLS Series is a low cost phase sensitive control that provides an isolated contact closure when the proper A-B-C phase sequence is applied. Protects sensitive 3-phase equipment and equipment... | |
| The PRLM Series is designed for use in non-critical timing applications. It offers low cost, knob adjustable timing control, full 10A relay output, and onboard LED indication. The knob adjustment... | |
| The RS Series is a solid-state, encapsulated, recycling timer designed for tough industrial environments. It is used by many testing labs as a life cycle tester; by others as a... |
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