Contactors for Data Center PDU and UPS Systems: Selection Guide
AC-1 and AC-6a contactors for data center PDU and UPS systems: sizing, harmonic derating, coil selection, and endurance guidance for engineers. Shop at Stoklink.
The Schneider Electric LC1E1210B5 is a 3-pole Easy TeSys Control contactor rated 12 A (AC-3) / 5.5 kW at 400 V, with a 24 V AC 50 Hz coil and 1 NO auxiliary contacts.
The Schneider Electric LC1E1210B5 is an Easy TeSys series 3-pole AC contactor rated at 12A and 440V, designed for motor switching and industrial power control applications. Part of Schneider's proven LC1E range, this contactor delivers reliable performance in AC-3 motor starter duties, making it a trusted choice for panel builders, OEMs, and industrial automation engineers. Compact and robust, the LC1E1210B5 fits seamlessly into standard control panel assemblies.
Applications (manufacturer): Motor control, Resistive load
| Series | Easy TeSys Control |
|---|---|
| Contactor size / frame | E12 |
| Number of poles | 3 |
| Main contact configuration | 3 NO |
| Utilisation categories | AC-3 AC-3e AC-1 |
| Rated operational current Ie, AC-3, 400 V | 12 A |
|---|---|
| Rated motor power, AC-3, 400 V | 5.5 kW |
| Motor power at other voltages, AC-3 | 3 kW @ 220/230 V · 5.5 kW @ 415/440 V · 5.5 kW @ 500 V · 5.5 kW @ 660/690 V · 7.5 kW @ 660...690 V |
| Rated operational current, AC-1 (60 °C) | 25 A |
| Conventional free-air thermal current Ith | 25 A |
| Max. rated operational voltage Ue | 690 V |
| Rated insulation voltage Ui | 690 V |
| Rated impulse withstand voltage Uimp | 6 kV |
| Rated control supply voltage Uc | 24 V |
|---|---|
| Coil type | AC |
| Coil frequency | 50 Hz |
| Coil holding power | 8.3 W | VA |
| Part number | LC1E1210B5 |
|---|---|
| Model code | E12 |
| Brand | Schneider Electric |
| Series | Easy TeSys Control |
| Family | Contactors |
| Condition | New, factory sealed |
| Source | Schneider Electric and its authorised distributors |
| Warranty | Manufacturer warranty |
| Lifecycle status | Active, in production |
| Catalogue number explained | LC1 = 3-pole contactor; E = Easy TeSys Control range; 12 = 12 A AC-3 rating; 10 = built-in auxiliary contact (1 NO); B5 = coil code (24 V AC 50 Hz) |
| Built-in auxiliary contacts, NO | 1 |
|---|---|
| Built-in auxiliary contacts, NC | 0 |
| Auxiliary contacts | 1 NO |
| Mirror contact (IEC 60947-4-1 Annex F) | No |
| Main circuit connection | Screw terminal |
|---|---|
| Mounting | 35 mm DIN rail, Panel (screw) mounting |
| Width | 45 mm |
|---|---|
| Height | 74 mm |
| Depth | 80 mm |
| Net weight | 0.3 kg |
| Ambient operating temperature | -5 … 55 °C |
|---|---|
| Degree of protection | IP2X |
| Mechanical durability | 10000000 cycles |
| Max. operating frequency, AC-3 | 1800 cycles/h |
| Certifications | CB Scheme, CCC, CE, EAC, BIS |
|---|---|
| Conforming standards | EN/IEC 60335-1, EN/IEC 60335-2-40, EN/IEC 60947-1, EN/IEC 60947-4-1, EN/IEC 60947-5-1, GB/T 14048.1, GB/T 14048.4, GB/T 14048.5, IS/IEC 60947-1, IS/IEC 60947-4-1, IS/IEC 60947-5-1 |
| Package dimensions (L × W × H) | 88 × 77 × 50 mm |
|---|---|
| Package weight | 0.349 kg |
| Shipping weight | 0.3 kg |
| Ships from | Türkiye |
| Dispatch | 16 Nov |
| Stock | In stock |
| Range | Easy TeSys |
|---|---|
| Product or component type | Contactor |
| Device short name | LC1E |
| Irms rated making capacity | 156 A at 440 V AC for power circuit conforming to IEC 60947-4-1 |
| Rated breaking capacity | 102 A at 440 V for power circuit conforming to IEC 60947 |
| [Icw] rated short-time withstand current | 105 A 40 °C - 10 s for power circuit 61 A 40 °C - 60 s for power circuit 30 A 40 °C - 600 s for power circuit |
| Associated fuse rating | 25 A gG at <= 690 V coordination type 1 for power circuit 10 A gG at <= 690 V for auxiliary contact circuit conforming to IEC 60947-5-1 |
| Average impedance | 2.5 mOhm - Ith 25 A 50 Hz for power circuit |
| Power dissipation per pole | 0.36 W AC-3 1.6 W AC-1 |
| Overvoltage category | III |
| Pollution degree | 3 |
| Electrical durability | 1400000 cycles AC-3 300000 cycles AC-1 |
| Control circuit type | AC at 50 Hz |
| Control circuit voltage limits | 0.85...1.1 Uc (-5...55 °C):operational 50 Hz 0.3...0.6 Uc (-5...55 °C):drop-out 50 Hz |
| Inrush power in VA | 95 VA 50 Hz cos phi 0.75 (at 20 °C) 95 VA 60 Hz cos phi 0.75 (at 20 °C) |
| Heat dissipation | 2...3 W for control circuit |
| Operating time | 12...22 ms on closing 4...19 ms on opening |
| Tightening torque | Power circuit: 1.2 N.m Control circuit: 1.2 N.m |
| Minimum switching voltage | 17 V for auxiliary contact circuit |
| Minimum switching current | 5 mA for auxiliary contact circuit |
| Insulation resistance | > 10 MOhm for auxiliary contact circuit |
| Non-overlap time | 1.5 ms on energisation guaranteed between NC and NO contact 1.5 ms on de-energisation guaranteed between NC and NO contact |
| Protective treatment | TH (pollution degree 3) conforming to IEC 60068-2-30 test Db |
| Operating altitude | 3000 m without derating |
| Fire resistance | 850 °C conforming to IEC 60695-2-1 |
| Mechanical robustness | Vibrations contactor open (1.5 Gn, 5...300 Hz) Vibrations contactor closed (3 Gn, 5...300 Hz) Shocks contactor open (7 Gn for 11 ms) Shocks contactor closed (10 Gn for 11 ms) |
| Unit Type of Package 1 | PCE |
| Number of Units in Package 1 | 1 |
| Unit Type of Package 2 | S02 |
| Number of Units in Package 2 | 36 |
| Package 2 Height | 15.000 cm |
| Package 2 Width | 30.000 cm |
| Package 2 Length | 40.000 cm |
| Package 2 Weight | 13.065 kg |
| Total lifecycle Carbon footprint | 402 kg CO2 eq. |
| Carbon footprint of the manufacturing phase [A1 to A3] | 4 kg CO2 eq. |
| Carbon footprint of the distribution phase [A4] | 0.4 kg CO2 eq. |
| Carbon footprint of the installation phase [A5] | 0 kg CO2 eq. |
| Carbon footprint of the use phase [B2, B3, B4, B6] | 398 kg CO2 eq. |
| Carbon footprint of the end-of-life phase [C1 to C4] | 0.5 kg CO2 eq. |
| Environmental Disclosure | Product Environmental Profile |
| Packaging made with recycled cardboard | Yes |
| Packaging without single use plastic | Yes |
| SCIP Number | E555d54e-f8a3-45c7-9bb0-e1481cefbd00 |
| Recyclability potential, in % | 14 |
| End of life manual availability | End of Life Information |
| Take-back | No |
| WEEE Label | The product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins |
Source: manufacturer data · Last verified: 02 Nov 2026
The rated current of LC1E1210B5 is 12 A (AC-3, 400 V).
The rated operational voltage of LC1E1210B5 is 690 V AC.
The rated motor power of LC1E1210B5 is 5.5 kW (AC-3, 400 V).
The control voltage range of LC1E1210B5 is 24 V AC.
LC1E1210B5 ships from Türkiye. Shipping calculated at checkout · import duties and taxes paid on arrival. Stock items are dispatched within 1 business day.
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