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

Page: 1 2 3
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...

<< Prev