ExS-T1T2-AC Series Single-Pole Pluggable Surge Protector
The ExS-T1T2-AC series lightning arrester is designed by CHAC Electric to provide robust protection against lightning and surge currents in low voltage equipment. It features a single-pole design with a pluggable form factor, utilizing hermetical GDT (Gas Discharge Tube) technology and high follow current extinguishing capability. The arrester offers an extremely low voltage protection level and includes double terminals for flexible parallel or series (V-shape) connections.
Product Features
■ 10/350μs,8/20μs sparkgap
■ Single-pole lightning current arrester,pluggable
■ Adopt hermetical GDT trchnology, high follow current extinguishing capability
■ Extremely low voltage protection level
■ Double terminals for parallel or series(V-shape) connectior?
■ Multifuntional connection for conductors and busbarS
■ Green window will change to red when fault occurs, also provide remote alarmterminal at the same time
■ For using high-performance MOV and maximum will up to 10/350 7KA
Dimensions(mm)
Technical Specifications
| Parameter | |
| Rated voltage (max. continuous AC voltage) | 275V or 385V |
| Lightning impulse current (10/350) [limp] | 7 kA |
| Nominal discharge current (8/20) [In] | 20 kA |
| Maximum discharge current [Imax] | 50 kA |
| Voltage protection level [Up] | ≤ 1.5 kV |
| Follow current extinguishing capability at Uc | 32A fuse will not be triggered at 2kA…255V |
| Response time [t] | ≤ 100 ns |
| Max. backupfuse (L) | 200A gL/gG |
| Max. backupfuse (L-L’) | 125A gL/gG |
| TOV voltage | 355V/5sec |
| Operating temperature range (parallel wiring) | -40℃ to +80℃ |
| Operating temperature range (through wiring) | -40℃ to +60℃ |
| Terminal cross-sectional area | 35 mm2 solid / 50 mm2 flexible |
| Mounting | on 35mm DIN rail |
| Enclosure material | Purple (module)/light gray (base) thermoplastic, UL94-V0 |
| Dimension | 2 modules |
| Type of remote signalling contact | Switching contact |
| Switching capacity AC | 250V/0.5A |
| Switching capacity DC | 250V / 0.1A; 125V / 0.2A; 75V / 0.5A |
| Cross-sectional area for remote signalling contact | Max. 1.5 mm2 solid/flexible |
| Standards | IEC 61643-11; GB 18802.1; YD/T 1235.1 |
| Certification | CE, RoHS, ISO 9001, CQC,TUV |
Why Choose CHAC
With 30+ years of manufacturing experience, 1100+ employees, 100M+ poles
annual capacity and 90% automated production, CHAC provides stable production capacity and strict
quality control for global OEM/ODM customers. Our in-house manufacturing system supports long-term
cooperation for electrical brands, importers and distributors.
30+
YEARS EXPERIENCE
Specialized in low-voltage electrical manufacturing
1100+
EMPLOYEES
Professional team ensures stable quality and delivery
100M+
POLES ANNUAL CAPACITY
Large-scale production capacity to meet global demand
90%
AUTOMATED PRODUCTION
Advanced automation for high efficiency and consistency
Automated Assembly Line
Testing Laboratory
Injection & Stamping
Quality Inspection
Strict quality control system ensures every product meets global standards.
What Can We Customize?
We support customization across branding, packaging, product appearance,
electrical specifications, certification requirements and engineering development. Whether customers
need private label products, market-specific parameters or new product development, CHAC can provide
flexible solutions based on project requirements.
Logo & Branding
Custom logo printing, laser marking and nameplate solutions.
Packaging
Personalización
Customized color boxes, cartons, labels and manuals.
Electrical
Personalización
Current, voltage, breaking capacity, trip curve and other
special functions.
Product
Appearance
Housing color, handle color and appearance customization.
Certification
Support
Products comply with international standards and market
requirements.
Engineering
Development
Drawing evaluation, prototype testing and mass production.
Descargar
CQB3 Series Miniature Circuit Breaker
Complete product overview for low-voltage electrical components and product selection reference.
Need Technical Documents?
Contact us for datasheets, certificates, drawings, selection guidance or OEM/ODM project support.
Frequently Asked Questions
¿Admite la personalización de productos según nuestros requisitos de diseño?
A1:Absolutely. We specialize in OEM and ODM cooperation in the low-voltage electrical field and have provided customized services for many internationally renowned companies. We offer full-process support, including R&D design, parameter adjustments, and special material selection, ensuring the product fully meets your requirements.
P2: ¿Cuál es tu capacidad de producción y Cantidad Mínima de Pedido (MOQ)?
A2: We operate a highly automated production base with an annual output of over 100 million poles for miniature circuit breakers. Our MOQ policy is flexible. We can provide competitive trial orders for small batches and dedicated production capacity guarantee plans.
P3: ¿Qué garantías hay sobre la calidad del producto y las certificaciones?
A3: Our main products are certified with CCC, CE, CB, and more, and are sold in over 30 countries and regions worldwide. The company has established a dedicated Quality Operations Center that works with the business and production departments to implement full-process quality control, ensuring products meet international standards.
Q4: Do you have the capability for product R&D and turning concepts into reality?
A4: We have a complete R&D team and digital workshops, backed by extensive customization experience serving numerous international clients. From concept proposal and sample development to mass production, we provide end-to-end technical support to help bring your ideas to life.
