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L&T MNX185 MAGNETIC CONTACTOR

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L&T MNX185 MAGNETIC CONTACTOR Specification

Operating Temperature
-5C to +55C

Surface Finish
Smooth and durable finish

Power Factor
0.85 (at rated conditions)

Insulation Material
Flame Retardant Thermoplastic

Humidity %
Up to 95% RH (non-condensing)

Shape
Rectangular

Overheating Protection
Provided with thermal overload relay (optional)

Efficiency
High operating efficiency (>95%)

Mounting Type
DIN Rail/Panel Mounting

Feature
High electrical and mechanical life, compact design, reliable performance

Connector Type
Screw Clamp

IP Rating
IP20

Product Type
Magnetic Contactor

Application
Motor Control, Power Switching, Industrial Automation

Protection Level
AC-3 / AC-1

Frequency (MHz)
50/60 Hz

Rated Voltage
415 V AC

Energy Consumption
9.0 W (coil consumption)

Output Type
NO+NC (Normally Open + Normally Closed Contacts)

Color
Grey and Black

Dimension (L*W*H)
124 x 103 x 140 mm

Weight
Approximately 2.3 kg

Input Voltage
230 V / 240 V / 415 V AC

Phase
Three Phase

Size
MNX185

Connection Type
Screw Terminal

No Of Poles
3 Pole

Material
High grade plastic and metal

Coil Voltage Options
24V/48V/110V/220V/240V/415V AC, 24V/110V/220V DC

Rated Operational Current (Ie)
185A at 415V AC in AC-3 duty

Utilization Category
AC-3, AC-1, AC-4

Mechanical Life
10 million operations

Electrical Life
1 million operations at AC-3

Auxiliary Contacts
1NO + 1NC (standard), extendable

Altitude
Up to 2000 meters

Storage Temperature Range
-20C to +70C

Conventional Thermal Current (Ith)
275A

Standards
IS/IEC 60947-4-1, CE Certified

Short Circuit Withstand Capacity
10 kA for 1 sec

About L&T MNX185 MAGNETIC CONTACTOR

L&T MNX185 MAGNETIC CONTACTOR

PRODUCT SPECIFICATION:

BRAND: L&T
PRODUCT NAME: MAGNETIC CONTACTOR
AC1: 275A
Ui: 1000V
Ue: 415V
kW: 90
PHASE : 3
NEMA SIZE 3
IEC 60947-4-1
APPLICATION: INDUSTRIAL

Versatile and Reliable Motor Control

The L&T MNX185 Magnetic Contactor offers outstanding reliability for three-phase motor control and power switching operations. Built with high-quality plastic and metal, it provides excellent insulation and mechanical strength, supporting up to 10 million operation cycles. Its extendable auxiliary contacts and optional thermal overload relay enhance versatility, making it ideal for continuous operation in industrial automation environments.

Flexible Coil Voltage and Mounting Options

The MNX185 supports a wide range of coil voltages (AC: 24V-415V, DC: 24V-220V), allowing for seamless integration into existing electrical systems. Installation is simplified with DIN rail or panel mounting options, while the compact, rectangular form factor facilitates easy placement in space-constrained panels. Its screw terminal connections ensure secure wiring and stable performance.

High Safety and Compliance Standards

Safety is prioritized with an IP20 protection rating and compliance with IS/IEC 60947-4-1 and CE certification. Its flame retardant thermoplastic insulation and short circuit withstand capacity (10 kA for 1s) ensure operational safety. The contactor remains reliable under a broad operating temperature range and up to 95% relative humidity, ideal for diverse industrial environments.

FAQ's of L&T MNX185 MAGNETIC CONTACTOR:

Q: How can the L&T MNX185 Magnetic Contactor be integrated into existing motor control systems?

A: The MNX185 can be seamlessly integrated into your existing systems using its three-pole configuration, standard screw terminals, and flexible coil voltage options. Additionally, it offers compatibility with both DIN rail and panel mounting, enabling straightforward installation in a wide range of control panels.

Q: What are the main benefits of using the L&T MNX185 Magnetic Contactor for industrial automation?

A: Key benefits include high electrical and mechanical life, reliable performance under continuous operation, compact design, and compliance with international safety standards. Its high operational efficiency (>95%) and capable power switching make it an optimal choice for demanding industrial automation environments.

Q: When should I consider extending the auxiliary contacts on the MNX185 contactor?

A: Auxiliary contacts should be extended when additional control or signaling requirements are present in your application, such as complex motor control circuits or integration with automation systems. The MNX185 comes with standard 1NO + 1NC auxiliary contacts, which are extendable to suit advanced needs.

Q: Where is the ideal environment for installing the MNX185 Magnetic Contactor?

A: This contactor is best suited for indoor industrial environments, operating efficiently at altitudes up to 2000 meters, in temperatures between -5C and +55C, and in areas with up to 95% non-condensing relative humidity. Its flame-retardant body and IP20 rating add further safety in challenging settings.

Q: What type of overload and short-circuit protection does the MNX185 provide?

A: The MNX185 can be equipped with an optional thermal overload relay for overheating protection. It also features a short circuit withstand capacity of 10 kA for 1 second, and its construction adheres to strict industrial safety standards (IS/IEC 60947-4-1, CE).

Q: How does the high mechanical and electrical life of the MNX185 contactor benefit operational processes?

A: With a mechanical life of 10 million operations and an electrical life of 1 million operations (AC-3), the MNX185 ensures prolonged, maintenance-free service, reducing downtime and increasing productivity in industrial applications.

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