SchneiderContactors and Protection Relays

LC1D50B7

Name: LC1D50B7
Brand: Schneider
SKU: LC1D50B7

The LC1D50B7 TeSys D non-reversing contactor is a reliable solution for motor control applications, featuring a 50A current rating and 40HP power rating.

Product ModelLC1D50B7

Product ID32262

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
FeatureDesigned for motor control applications up to 50A/690V AC-3/3e (22kW@400V).
2
FeatureProvides a 24V 50/60Hz AC coil for efficient operation.
3
FeatureIdeal for 3-phase systems, ensuring reliable and efficient motor control.
4
FeatureMeets high safety standards with a SCCR of up to 100kA.
5
FeatureCompact design with a width of 5.20 inches (13.2 cm), suitable for various industrial settings.

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Range

TeSys

Range of Product

TeSys Deca

Product or Component Type

Contactor

Device short name

LC1D

Contactor application

Resistive load

Utilisation category

AC-1AC-2AC-3eAC-1

[Ue] rated operational voltage

Power circuit <= 690 V AC 25...400 Hz

[Ie] rated operational current

50 A (at <140 °F (60 °C)) at <= 440 V AC AC-3e for power circuit80 A (at <140 °F (60 °C)) at <= 440 V AC AC-1 for power circuit65 A (at <140 °F (60 °C)) at <= 440 V AC AC-3 for power circuit

[Uc] control circuit voltage

120 V AC 50/60 Hz

Motor power kW

30 kW at 440 V AC 50 Hz (AC-3)30 kW at 500 V AC 50 Hz (AC-3)33 kW at 660...690 V AC 50 Hz (AC-3)15 kW at 220...230 V AC 50 Hz (AC-3)11 kW at 400 V AC 50 Hz (AC-4)30 kW at 1000 V AC 50 Hz (AC-3)22 kW at 380...400 V AC 50 Hz (AC-3e)25 kW at 415 V AC 50 Hz (AC-3e)30 kW at 440 V AC 50 Hz (AC-3e)30 kW at 500 V AC 50 Hz (AC-3e)33 kW at 660...690 V AC 50 Hz (AC-3e)15 kW at 220...230 V AC 50 Hz (AC-3e)30 kW at 1000 V AC 50 Hz (AC-3e)30 kW at 380...400 V AC 50 Hz (AC-3)

Maximum Horse Power Rating

15 hp at 200/208 V AC 60 Hz for 3 phase motors15 hp at 230/240 V AC 60 Hz for 3 phase motors40 hp at 460/480 V AC 60 Hz for 3 phase motors40 hp at 575/600 V AC 60 Hz for 3 phase motors5 hp at 115 V AC 60 Hz for 1 phase motors10 hp at 230/240 V AC 60 Hz for 1 phase motors

compatibility code

LC1D

Pole contact composition

3 NO

Protective cover

With

[Ith] conventional free air thermal current

10 A (at 140 °F (60 °C)) for control circuit80 A (at 140 °F (60 °C)) for power circuit

Irms rated making capacity

1000 A at 440 V for power circuit conforming to IEC 60947140 A AC for control circuit conforming to IEC 60947-5-1

Rated breaking capacity

1000 A at 440 V for power circuit conforming to IEC 60947

Associated fuse rating

100 A gG at <= 690 V coordination type 2 for power circuit10 A gG for control circuit conforming to IEC 60947-5-1125 A gG at <= 690 V coordination type 1 for power circuit

Power dissipation per pole

3.7 W AC-3e9.6 W AC-16.3 W AC-3

[Ui] rated insulation voltage

Power circuit 600 V CSAPower circuit 600 V ULControl circuit 690 V IEC 60947-1Power circuit 690 V IEC 60947-1Control circuit 600 V CSAControl circuit 600 V UL

Overvoltage category

III

[Uimp] rated impulse withstand voltage

6 kV IEC 60947

Safety reliability level

B10d = 1369863 cycles contactor with nominal load EN/ISO 13849-1B10d = 20000000 cycles contactor with mechanical load EN/ISO 13849-1

Mechanical durability

6000000 cycles

Control circuit type

AC 50/60 Hz

Coil technology

Without built-in bidirectional peak limiting diode suppressor

Control circuit voltage limits

0.85...1.1 Uc -40...140 °F (-40...60 °C) operational AC 60 Hz1...1.1 Uc 140...158 °F (60...70 °C) operational AC 50/60 Hz0.3...0.6 Uc -40...158 °F (-40...70 °C) drop-out AC 50/60 Hz0.8...1.1 Uc -40...140 °F (-40...60 °C) operational AC 50 Hz

Inrush power in VA

140 VA cos phi 0.75 (at 68 °F (20 °C))160 VA cos phi 0.75 (at 68 °F (20 °C))

Hold-in power consumption in VA

13 VA 60 Hz cos phi 0.3 (at 68 °F (20 °C))15 VA 50 Hz cos phi 0.3 (at 68 °F (20 °C))

Heat dissipation

4...5 W at 50/60 Hz for control circuit

Operating time

4...19 ms opening12...26 ms closing

Maximum operating rate

3600 cyc/h 140 °F (60 °C)

Connections - terminals

Control circuit: screw clamp terminals 1 0.002...0.006 inÂ² (1...4 mmÂ²) - cable stiffness: flexible without cable endControl circuit: screw clamp terminals 2 0.002...0.006 inÂ² (1...4 mmÂ²) - cable stiffness: flexible without cable endControl circuit: screw clamp terminals 1 0.002...0.004 inÂ² (1...2.5 mmÂ²) - cable stiffness: flexible with cable endControl circuit: screw clamp terminals 2 0.002...0.004 inÂ² (1...2.5 mmÂ²) - cable stiffness: flexible with cable endPower circuit: screw terminals 1 0.004...0.04 inÂ² (2.5...25 mmÂ²) - cable stiffness: rigidPower circuit: screw terminals 2 0.004...0.02 inÂ² (2.5...16 mmÂ²) - cable stiffness: rigidPower circuit: screw terminals 1 0.004...0.04 inÂ² (2.5...25 mmÂ²) - cable stiffness: flexible without cable endPower circuit: screw terminals 2 0.004...0.02 inÂ² (2.5...16 mmÂ²) - cable stiffness: flexible without cable endPower circuit: screw terminals 1 0.004...0.04 inÂ² (2.5...25 mmÂ²) - cable stiffness: flexible with cable endPower circuit: screw terminals 2 0.004...0.02 inÂ² (2.5...10 mmÂ²) - cable stiffness: flexible with cable endControl circuit: screw clamp terminals 1 0.002...0.006 inÂ² (1...4 mmÂ²) - cable stiffness: rigidControl circuit: screw clamp terminals 2 0.002...0.006 inÂ² (1...4 mmÂ²) - cable stiffness: rigid

Tightening torque

Power circuit 44.3 lbf.in (5 N.m) screw terminal flat Ã 6 to Ã 8 mmControl circuit 15.05 lbf.in (1.7 N.m) screw clamp terminal pozidriv No 2Control circuit 15.05 lbf.in (1.7 N.m) screw clamp terminal flat Ã 6 mmControl circuit 15.05 lbf.in (1.7 N.m) screw clamp terminal Philips No 2

Auxiliary contact composition

1 NO + 1 NC

Auxiliary contacts type

Mechanically linked 1 NO + 1 NC IEC 60947-5-1Mirror contact 1 NC IEC 60947-4-1

Minimum switching voltage

17 V for control circuit

Minimum switching current

5 mA for control circuit

Insulation resistance

> 10 MOhm for control circuit

Non-overlap time

1.5 ms on de-energisation between NC and NO contacts1.5 ms on energisation between NC and NO contacts

Mounting Support

Rail

Standards

EN 60947-5-1UL 508IEC 60947-4-1IEC 60947-5-1

Product Certifications

GOSTGLDNVLROS (Lloyds register of shipping)CCCRINABVUKCAUL

IP degree of protection

IP2X IEC 60529IP2X VDE 0106

Climatic withstand

IACS E10 exposure to damp heat IEC 60947-1 Annex Q category D exposure to damp heat

Operating altitude

0...9842.52 ft (0...3000 m)

Fire resistance

1562 °F (850 °C) IEC 60695-2-1

Flame retardance

V1 conforming to UL 94

Mechanical robustness

Vibrations contactor opened 2 Gn, 5...300 Hz) Vibrations contactor closed 4 Gn, 5...300 Hz) Shocks contactor opened 10 Gn for 11 ms)

Height

4.8 in (122 mm)

Width

2.2 in (55 mm)

Depth

4.7 in (120 mm)

Net Weight

3.09 lb(US) (1.4 kg)

Quantity per Set

Set of 10