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Schneider Electric LX4FL045 — Contactor & Starter Coils

Schneider TeSys LX4FL045 Contactor Coil, 45 V DC

MPNLX4FL045
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Schneider Electric TeSys range, LX4FL045 contactor coil, 45 V DC control circuit voltage, without built-in suppressor module.

Schneider Electric LX4FL045 datasheet (PDF)
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
WhatsApp AnswersFast human replies for machine-down parts
Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026

Specifications

LX4FL045 — Identification
ParameterValue
Product typeContactor coil
Product rangeTeSys
Device short nameLX4FL
Coil technologyWithout built-in suppressor module
LX4FL045 — Electrical
ParameterValue
Control circuit voltage [Uc]45 V DC
Control circuit typeDC low consumption
Control circuit voltage limitsDrop-out 0.2...0.35 Uc 131 °F (55 °C)) Operational 0.85...1.1 Uc 131 °F (55 °C))
LX4FL045 — Performance & Durability
ParameterValue
Operating time40...50 ms opening 60...70 ms closing
LX4FL045 — Environmental
ParameterValue
Operating temperature23...131 °F (-5...55 °C)

Product details

The LX4FL045 is a replacement contactor coil from the Schneider TeSys range, designed for DC low-consumption control circuits at 45 V DC. It is not a complete contactor — it is the coil assembly that mounts onto the FK-style contactor frame. The operating time is 40 to 50 ms for opening and 60 to 70 ms for closing, which matters when sequencing contactors in a motor starter or reversing circuit where timing overlap must be controlled.

Control voltage and coil limits

Rated for 45 V DC control voltage, this coil drops out between 0.2 and 0.35 Uc (9 to 15.75 V DC) and operates reliably from 0.85 to 1.1 Uc (38.25 to 49.5 V DC) at 55 °C. If your control supply sags below 38 V DC under load, the contactor may drop out unexpectedly — verify your DC bus regulation, especially in long cable runs or shared power supplies. The coil ships without a built-in suppressor module, so you must add a freewheeling diode or RC snubber across the coil terminals to protect the PLC output or relay driving it.

Operating temperature range

Rated for ambient air operation from -5 to 55 °C (23 to 131 °F). If your panel ambient exceeds 55 °C, this coil is not suitable without derating or forced cooling.

Frequently asked questions

What is the closest alternative to the LX4FL045 in the TeSys family?

Within the TeSys FK coil family, the closest alternative would be a coil with a different control voltage (e.g., 24 V DC or 48 V DC). There is no pin-compatible 45 V DC alternative listed in the same series — the voltage is specific. If your control voltage is flexible, a standard 48 V DC TeSys FK coil may work within tolerance, but verify the drop-out and operational limits against your supply.

What compliance documentation is available for the LX4FL045?

As a Schneider TeSys component, the LX4FL045 falls under the standard RoHS and REACH compliance declarations for the TeSys range. Specific UL or IEC certifications for the coil are typically covered under the contactor assembly listing; the coil itself is a replacement part. Request the manufacturer's declaration of conformity from your distributor for audit documentation.

MPN
LX4FL045