GLC1 Series Industrial AC Contactor for AC Contactors

Description

This series of high-performance industrial AC contactors is designed for reliable motor control and electrical power switching. Engineered on a next-generation automated production and automatic testing platform, these contactors deliver robust performance, versatile contact configurations, and exceptional electrical durability in demanding industrial and commercial operating environments.

Product Highlights

Broad Current Range: Available in 10 specifications from 9A to 95A to accommodate diverse industrial electrical loads.
Versatile Coil Options: Supports AC (24V, 36V, 110V, 220V, 380V at 50/60Hz) and DC (24V, 110V, 220V) control voltages.
Enhanced Durability & Build: Features a V0-grade flame-retardant base, high-heat resistant coil frame, and stable enameled coil turns ensuring robust mechanical and electrical lifespan.
Flexible Expansion: Easily integrates with auxiliary contacts, mechanical interlocks, air delay units, and surge suppressors.
Certified Standards: Fully compliant with global standards including IEC 60947-1, IEC 60947-4-1, GB/T 14048.1, and GB/T 14048.4, with CCC and CE certifications.

Class Configurations

The contactor series provides two primary class options tailored for different application demands and cost requirements:

A-Class: Features a high-performance black body shell, designed for heavy-duty industrial environments demanding extreme durability, with up to 12 million mechanical operations and 1.1 million electrical operations.
B-Class: Features a standard gray body shell with 40% silver contacts and iron contact plates for 09A to 18A models, delivering cost-effective and reliable performance for standard commercial and light industrial panels.

Product Class Comparison

Feature	A-Class (High-End)	B-Class (Standard)
Shell / Body Color	Black	Gray
Contact Material	Premium high-durability alloy	40% silver contacts (iron contact plates for 09A-18A)
Mechanical Durability	Up to 12 million operations	Up to 10 million operations
Application Focus	Heavy-duty industrial automation, extreme durability	Cost-effective motor control, standard distribution panels

Technical Parameters

1. General Operating Conditions

Specification	Details
Standards	IEC 60947-1, IEC 60947-4-1, GB/T 14048.1, GB/T 14048.4
Certification	CCC, CE
Ambient Temperature	-5°C to +40°C (24h average ≤ +35°C); Storage: -25°C to +55°C
Altitude & Humidity	≤ 2000m; Humidity ≤ 50% at +40°C (up to 90% at +20°C)
Installation & Protection	Vertical installation (inclination ≤ ±22.5°), Class III; Pollution Class 3, IP20

2. Main Circuit Characteristics

Contactor Model (GLC1-)	09	12	18	25	32	40	50	65	80	95
Rated Insulation Voltage (Ui) V	690
Thermal Current (Ith) A	20	20	32	40	50	60	80	80	100	100
Rated Current (Ie) A (380V, AC-3)	9	12	18	25	32	40	50	65	80	95
Rated Current (Ie) A (380V, AC-4)	3.5	5	7.7	8.5	12	18.5	24	28	37	44
Rated Power (Pe) kW (380V, AC-3)	4	5.5	7.5	11	15	18.5	22	30	37	45
Rated Power (Pe) kW (380V, AC-4)	1.5	2.2	3	4	5	7.5	11	15	18.5	22

3. Durability & Operation Frequency

Contactor Model (GLC1-)	09~18	25	32	40~65	80~95
Mechanical Durability (x10,000 operations)	1200	1000	900		650
Electrical Durability AC-3 (x10,000 operations)	110		90		65
Electrical Durability AC-4 (x10,000 operations)	22			17	11
Operation Frequency AC-3 (operations/hour)	1200		600
Operation Frequency AC-4 (operations/hour)	300

4. Main Circuit Terminal Wiring Capability (mm²)

Wire Type	GLC1-09~12	GLC1-18	GLC1-25	GLC1-32~40	GLC1-50~65	GLC1-80~95
Soft wire (1 wire)	1~4	1~6	1.5~10	2.5~10	2.5~25	4~50
Without terminal (2 wire)	1~4	1~6	1.5~6	2.5~10	2.5~16	2.5~35
Hard wire (1 wire)	1~4	1~6	1.5~6	2.5~10	2.5~25	4~50

5. Coil Specifications & Auxiliary Contacts

Category	Specification Details
Rated Control Voltage (Us)	AC 50/60Hz: 24V, 36V, 110V, 220V, 380V \| DC: 24V, 110V, 220V
Allowable Voltage Range	Operation: 85%~110% Us \| Drop-out: AC 20%~70% Us / DC 10%~70% Us
Coil Power (Actuation)	09~18A: 70VA \| 25~32A: 110VA \| 40~95A: 200VA
Coil Power (Holding)	09~12A: <9VA \| 18A: <9.5VA \| 25~32A: <14VA \| 40~95A: <36.6VA
Auxiliary Contact Spec	09~32A: 10/01 (1NO or 1NC) \| 40~95A: 11 (1NO1NC)
Auxiliary Thermal Current (Ith)	10A
Rated Control Capacity	AC-15: 360VA (at 380V) \| DC-13: 33W (at 220V)

Frequently Asked Questions

What is the GLC1 Series Industrial AC Contactor?
It is a heavy-duty electromechanical switch designed to safely control high-power electrical circuits, primarily used for starting and stopping industrial motors and automation systems.
What functions does it provide?
It provides remote making and breaking of electrical circuits, frequent starting and controlling of AC motors, and protects circuits from overload when combined with a thermal relay.
What are the key parameters affecting selection?
When selecting a contactor, you must evaluate the rated operational current (9A to 95A), control coil voltage (AC or DC), utilization category (e.g., AC-3 for squirrel-cage motors), and the required number of auxiliary contacts.
What options are currently available?
The GLC1 series offers 10 current specifications (09A to 95A), multiple coil voltages (24V to 380V), and supports various modular accessories including top/side auxiliary contacts, mechanical interlocks, and air delayed heads.
Which standards does it comply with?
It is designed for the global industrial control market, fully complying with IEC 60947-4-1 and GB/T 14048.4 standards, holding CE and CCC certifications.
What are the installation precautions?
The contactor should be installed vertically on a standard mounting rail or panel, with an inclination not exceeding ±22.5°. Ensure the ambient temperature remains between -5°C and +40°C, and operate within a Pollution Class 3 environment. Always disconnect power before installation.

GLC1 Series Industrial AC Contactor