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 |
|---|---|
| Connects the SE-601 relay to an ungrounded 300 Vdc bus. | |
| Operates on AC solidly grounded and AC resistance grounded systems.The SE-703 is a microprocessor-based ground-fault relay for resistance and solidly-earthed systems. It offers sensitive ground-fault detection as low as 25... | |
| Relays, Contactors & Transformers - Protection Relays - Trailing Cable Protection - Series: SE-105 - SE-105EL | |
| SE-325D is a neutral-grounding resistor monitor with a supply voltage of 120 ac-dc and a ground-fault trip level of 0.5–4.0 A. | |
| SE-325DN is a neutral-grounding resistor monitor with a supply voltage of 120 ac-dc and a ground-fault trip level of 0.5–4.0 A. | |
| SE-325DNT is a neutral-grounding resistor monitor with a supply voltage of 120 ac-dc and a ground-fault trip level of 0.5–4.0 A. | |
| SE-325DS is a neutral-grounding resistor monitor with a supply voltage of 120 ac-dc and a ground-fault trip level of 0.5–4.0 A. | |
| SE-325DSN is a neutral-grounding resistor monitor with a supply voltage of 120 ac-dc and a ground-fault trip level of 0.5–4.0 A. | |
| SE-325DSNT is a neutral-grounding resistor monitor with a supply voltage of 120 ac-dc and a ground-fault trip level of 0.5–4.0 A. | |
| SE-325DST is a neutral-grounding resistor monitor with a supply voltage of 120 ac-dc and a ground-fault trip level of 0.5–4.0 A. | |
| SE-325DT is a neutral-grounding resistor monitor with a supply voltage of 120 ac-dc and a ground-fault trip level of 0.5–4.0 A. | |
| SE-325E is a neutral-grounding resistor monitor with a supply voltage of 240 ac and a ground-fault trip level of 0.5–4.0 A. | |
| SE-325EN is a neutral-grounding resistor monitor with a supply voltage of 240 ac and a ground-fault trip level of 0.5–4.0 A. | |
| SE-325ENT is a neutral-grounding resistor monitor with a supply voltage of 240 ac and a ground-fault trip level of 0.5–4.0 A. | |
| SE-325ES is a neutral-grounding resistor monitor with a supply voltage of 240 ac and a ground-fault trip level of 0.5–4.0 A. | |
| SE-325ESN is a neutral-grounding resistor monitor with a supply voltage of 240 ac and a ground-fault trip level of 0.5–4.0 A. | |
| SE-325ESNT is a neutral-grounding resistor monitor with a supply voltage of 240 ac and a ground-fault trip level of 0.5–4.0 A. | |
| SE-325EST is a neutral-grounding resistor monitor with a supply voltage of 240 ac and a ground-fault trip level of 0.5–4.0 A. | |
| SE-325ET is a neutral-grounding resistor monitor with a supply voltage of 240 ac and a ground-fault trip level of 0.5–4.0 A. | |
| SE-325N is a neutral-grounding resistor monitor with a supply voltage of 120 ac and a ground-fault trip level of 0.5–4.0 A. | |
| SE-325NT is a neutral-grounding resistor monitor with a supply voltage of 120 ac and a ground-fault trip level of 0.5–4.0 A. | |
| SE-325P is a neutral-grounding resistor monitor with a supply voltage of 120 ac and a ground-fault trip level of 0.5–4.0 A. | |
| SE-325S is a neutral-grounding resistor monitor with a supply voltage of 120 ac and a ground-fault trip level of 0.5–4.0 A. | |
| SE-325SN is a neutral-grounding resistor monitor with a supply voltage of 120 ac and a ground-fault trip level of 0.5–4.0 A. | |
| SE-325SNT is a neutral-grounding resistor monitor with a supply voltage of 120 ac and a ground-fault trip level of 0.5–4.0 A. | |
| SE-325ST is a neutral-grounding resistor monitor with a supply voltage of 120 ac and a ground-fault trip level of 0.5–4.0 A. | |
| SE-325T is a neutral-grounding resistor monitor with a supply voltage of 120 ac and a ground-fault trip level of 0.5–4.0 A. | |
| SE-601-0D is a sensitive ground-fault monitor with a supply voltage dc of 12–30. | |
| SE-601-0D-CC is a sensitive ground-fault monitor with an analog output current mA of 0–5 V and offers conformal coating. | |
| SE-601-0T is a sensitive ground-fault monitor with a supply voltage dc of 40–55. | |
| SE-601-0T-CC is a sensitive ground-fault monitor with a supply voltage dc of 40–55 and offers conformal coating. | |
| SE-601-0U is a sensitive ground-fault monitor with a supply voltage ac of 120–240 and a supply voltage dc of 100–240. | |
| SE-601-0U-CC is a sensitive ground-fault monitor with a supply voltage ac of 120–240 and a supply voltage dc of 100–240. This item is available with conformal coating. | |
| SE-701-03 is a ground-fault monitor with a supply voltage ac of 24 and is uniquely suited for systems with significant harmonic content. | |
| SE-701-0D is a ground-fault monitor with a supply voltage dc of 12–24 and is uniquely suited for systems with significant harmonic content. | |
| SE-701-0T is a ground-fault monitor with a supply voltage dc of 48 and is uniquely suited for systems with significant harmonic content. | |
| SE-701-0U is a ground-fault monitor with a supply voltage ac and dc of 120/240 and is uniquely suited for systems with significant harmonic content. | |
| SE-703-03-02 is an earth-leakage monitor with a supply voltage ac of 24. | |
| SE-703-0D-00 is an earth-leakage monitor with a supply voltage dc of 12–24. | |
| SE-703-0D-02 is an earth-leakage monitor with a supply voltage dc of 12–24. | |
| SE-703-0T-00 is an earth-leakage monitor with a supply voltage dc of 48. | |
| SE-703-0T-02 is an earth-leakage monitor with a supply voltage dc of 48. | |
| SE-703-0U-00 is an earth-leakage monitor with a supply voltage ac and dc of 120/240. | |
| SE-703-0U-02 is an earth-leakage monitor with a supply voltage ac and dc of 120/240. | |
| SE-704-03 is an earth-leakage monitor with a supply voltage ac of 24. | |
| SE-704-0D is an earth-leakage monitor with a supply voltage dc of 12–24. | |
| SE-704-0T is an earth-leakage monitor with a supply voltage dc of 48. | |
| SE-704-0U is an earth-leakage monitor with a supply voltage ac and dc of 120/240. | |
| The SE-105/SE-107 is a combination ground-wire monitor and ground-fault relay for resistance-grounded systems. It continuously monitors the integrity of the ground conductor to protect portable equipment from hazardous voltages caused... | |
| The SE-134C/SE-135 is a microprocessor-based , combination ground-wire monitor and ground-fault relay for resistance grounded or solidly grounded systems. It continuously monitors the integrity of the ground conductor to protect... | |
| The SE-134C/SE-135 is a microprocessor-based , combination ground-wire monitor and ground-fault relay for resistance-grounded or solidly grounded systems. It continuously monitors the integrity of the ground conductor to protect portable... | |
| The SE-134C/SE-135 is a microprocessor-based , combination ground-wire monitor and ground-fault relay for resistancegrounded or solidly grounded systems. It continuously monitors the integrity of the ground conductor to protect portable... | |
| The SE-502 Ground-Fault Ground-Continuity Detector provides Class-A GFCI trip level and trip times for personnel protection. As little as 5 mA of ground-fault current can be detected, and the internal... | |
| The SE-703 is a microprocessor-based ground-fault relay for resistance- and solidly-earthed systems. It offers sensitive ground-fault detection as low as 25 mA and can be used on systems with significant... | |
| The TDI Series is an interval timer that combines accurate digital circuitry with isolated, 10A rated, DPDT relay contacts in an 8-pin plug-in package. The TDI Series features DIP switch... | |
| The TDMB combines both delay-on-make and delay-on-break functions into one plug-in package. Selection of the time period is accomplished with dual switches, one for the on delay and the other... | |
| The TDR Series of time-delay relays are comprised of digital circuitry and an isolated, 10A relay output. The on and off delays are selected by means of two, ten position... | |
| The TRB Series combines an isolated, 10A electromechanical relay output with analog timing circuitry. False trigger of the TRB by a transient is unlikely because of the complete isolation of... | |
| The TRDU Series is a versatile universal time delay relay with 21 selectable single and dual functions. The dual functions replace up to three timers required to accomplish the same... | |
| The TRM Series is a combination of analog electronic circuitry and electromechanical relay output. It provides input to output isolation with a wide variety of input voltages and time ranges. | |
| The TRS Series combines an isolated, 10A electromechanical, relay output with analog timing circuitry. False trigger of the TRS by a transient is unlikely because of the complete isolation of... | |
| The TRU Series is a multifunction, knob adjustable, Universal Time Delay Relay. It includes six of the most popular timing functions selected by a slide switch. The time delay is... | |
| The TSD Series is designed for more demanding commercial and industrial applications where small size and accurate performance are required. The factory calibration for fixed time delays is within 1%... | |
| The TVM series provides protection for motors and other sensitive loads. ontinuously measures the voltage of each of the three phases using a microcomputer circuit design that senses under and... | |
| The TVW Series provides protection for motors and other sensitive loads. Continuously measures the voltage of each of the three phases using a microcontroller circuit design that senses under and... |
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