New Original Schneider A9N15651 Acti9 STI 2P 20A Fuse Disconnector
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New Original Schneider A9N15651 Acti9 STI 2P 20A Fuse Disconnector
1. Product Overview
The A9N15651 is an original Schneider Electric modular fuse disconnector belonging to the Acti9 STI series low voltage power distribution components. Designed as a 2-pole DIN rail mounted device, it serves as an integrated combination of isolation switch and standard cartridge fuse holder, compatible with 10.3 mm × 38 mm cylindrical fuses. It is applied for safe circuit isolation, overcurrent and short-circuit protection for single-phase AC power circuits. When equipped with gG general-purpose fuses or aM motor protection fuses, it can cut off faulty current rapidly once overload or short-circuit faults occur. This product is widely installed inside industrial control cabinets, commercial distribution boxes, mechanical automation panels, building electrical auxiliary circuits and small equipment power supply loops. With unified modular dimensions, it can be freely combined with other Acti9 series circuit breakers, contactors and residual current devices to build complete low-voltage distribution systems.
2. Main Functions
- Complete two-pole circuit isolation: The operating handle can disconnect both live wire and neutral wire simultaneously, forming a visible air break point inside the unit to comply with international electrical isolation safety standards for equipment maintenance and power overhaul.
- Fuse mounting and overcurrent protection: Accommodates standard 10.3×38 mm cylindrical fuses; internal fuses will melt under overload or short-circuit conditions to protect downstream electrical loads and wiring from burnout damage.
- Padlockable operating handle: The toggle handle supports padlocking in both ON and OFF positions to avoid unauthorized manual switching and prevent accidental power on/off on site.
- Optional fuse blown indication: Reserved installation position for AC indicator light, which will be illuminated once the fuse blows to visually remind maintenance staff of circuit faults.
- Spare fuse storage compartment: Built-in small cavity inside the plastic housing for storing one spare fuse, enabling quick replacement without extra spare parts preparation.
- Dual wire compatibility: Screw clamping terminals can connect both solid rigid copper wires and stranded flexible wires to adapt to various on-site wiring requirements.
- Side-by-side modular assembly: Standard module width allows multiple units to be arranged together on 35 mm DIN rail for centralized circuit layout management.
3. Technical Specifications
| Item | Specification Details |
|---|---|
| Full Model | A9N15651 |
| Product Line | Schneider Acti9 STI Fuse Disconnector |
| Number of Poles | 2 Poles (2P) |
| Rated Current | 20 A |
| Rated Operational Voltage | 500 V AC, 50 Hz / 60 Hz |
| Rated Insulation Voltage | 690 V AC |
| Applicable Fuse Size | 10.3 mm × 38 mm cylindrical cartridge fuse |
| Applicable Fuse Types | gG general circuit fuse, aM motor dedicated fuse |
| Rated Short-circuit Breaking Capacity | 25 kA |
| Ingress Protection | IP20 for terminal area; IP40 when installed inside sealed distribution cabinet |
| Wiring Range | Rigid wire: 0.75 ~ 10 mm²; Flexible wire: 0.5 ~ 6 mm² |
| Ambient Operating Temperature | -20 °C ~ +60 °C |
| Pollution Degree | Grade 3 |
| Executive Standards | IEC/EN 60947-3, RoHS compliant |
| Mounting Method | Clip-on installation for standard 35 mm DIN top-hat rail |
| Handle Feature | Lockable at ON and OFF positions |
4. Technical Features
- High-performance flame retardant housing: The shell adopts thermosetting anti-flaming plastic material, with strong resistance to arc ablation, high temperature and mechanical impact, suitable for long-term operation in industrial environments.
- Silver-plated conductive contact structure: Low contact resistance ensures stable current transmission and effectively avoids abnormal heating under continuous rated load operation.
- Visible isolation break point: Clear mechanical disconnection gap after switching off, which fully meets safety maintenance requirements stipulated by electrical codes.
- Secure fuse fixing bracket: The internal fuse carrier is stably fastened to prevent falling off during fuse replacement, lowering electric shock risks for operators.
- Compact modular design: Standard modular size saves plenty of internal space inside electrical cabinets.
- Strong environmental adaptability: Stable performance under temperature fluctuation and slight condensation conditions without performance attenuation.
- Full compatibility with Acti9 series accessories: Matches busbars, auxiliary contact modules and indication lamps of the same product line for flexible system expansion.
5. Product Dimensions and Net Weight
表格
| Parameter | Value |
|---|---|
| Overall Module Width | 36 mm |
| Overall Height | 81 mm |
| Overall Depth | 75 mm |
| Net Weight of Single Unit | 98 g |
| Recommended Terminal Tightening Torque | 1.2 N·m |
| Mounting Rail | 35 mm standard DIN rail |
6. Ten Schneider Similar Functional Fuse Disconnectors (Acti9 STI Series)
All products below are original Schneider Acti9 STI fuse disconnectors for circuit isolation and overcurrent protection with different poles and current ratings:
- A9N15650: 2P 16A two-pole fuse disconnector for low-current single-phase lighting circuits
- A9N15652: 2P 25A two-pole version with higher rated current for heavy-load auxiliary equipment
- A9N15636: 1P 25A single-pole STI fuse disconnector for live wire only protection loops
- A9N15656: 3P 20A three-pole fuse disconnector applied for three-phase power distribution circuits
- A9N15660: 1P+N 20A pole plus neutral type for residential single-phase distribution boxes
- A9N15653: 2P 20A unit pre-assembled with fuse blown indicator lamp
- A9N15670: 4P 20A four-pole fuse disconnector for three-phase four-wire complete power systems
- A9N15648: 2P 10A miniature two-pole model for instrument and sensor power supply circuits
- A9N15651-H: High temperature resistant sealing variant for high-heat workshop working conditions
- A9N15672: 2P 32A large-current two-pole fuse disconnector for industrial heavy-load control loops
WHO WE ARE
Sobre nosotros
Located in Kunshan, China, Atifts Technology Co., Ltd. is a well-known enterprise specializing in electronic components distribution. We specialize in the sales of global brands of industrial automation components, with a wealth of experience in foreign product agents, and many of the world's leading manufacturers such as Keens, Schneider, SMC, ABB, Siemens, and other world-renowned manufacturers to establish a long-term and stable relations of cooperation.
Atifts Technology Co., Ltd. @ 2024
Over the years, we have always adhered to the "pioneering, pragmatic, standardized, innovative" management philosophy, and constantly promote the close integration of products and market demand. We firmly believe that only by constantly exploring new market areas, doing a good job in every detail, standardizing business processes, and continuously innovating products and services can we ensure that our products are more adaptable to market changes and meet the diversified needs of our customers.
Since the founding of the company, we have always adhered to the core concept of "survival by quality", and are committed to providing customers with high-quality electronic components. At the same time, we take specialized R & D manufacturing as the goal, market-oriented development strategy to ensure that our products are always in the forefront of the industry.
With excellent product quality, professional technical service and good market reputation, Kunshan Autofits Technology Co.,Ltd. has won the trust and support of our customers. We look forward to working with more partners hand in hand, to achieve long-term win-win relationship, and jointly promote the prosperity of the electronic components industry.
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