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18802
Schneider 18802 available at EU Automation. Get in touch today for a quick price.
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What happens next?
1. Email confirmation
You will get an email confirming that we have received your enquiry.
2. Dedicated Account Manager
One of our team will be in touch to confirm your part(s) specification and condition.
3. Your quote
You will receive a comprehensive quote tailored to your specific needs.
Schneider Electric 18802 is an Acti9 NG125L miniature circuit breaker designed for electrical distribution applications. This 3-pole, thermal-magnetic MCB has a 25 A rated current at 40°C and a C curve trip characteristic, making it suitable for circuits where moderate inrush currents may occur. It supports AC and DC network types, with rated operational voltages including 220–240 V AC, 380–415 V AC, 440 V AC, 500 V AC, and up to 375 V DC.
The 18802 provides high breaking capacity performance in accordance with EN/IEC 60947-2, including 50 kA at 380–415 V AC and 36 kA at up to 375 V DC. It is suitable for isolation and includes ON/OFF indication, a trip indicator, manual tripping test functionality, and integrated padlocking. The unit mounts vertically on a 35 mm symmetrical DIN rail and is compatible with comb busbars and distribution blocks.
Built for demanding industrial panel environments, this Schneider Acti9 NG125L breaker features IP20 protection, IK05 impact resistance, tunnel-type terminals, and an operating temperature range of -30°C to 70°C. It is commonly used in control panels, distribution boards, machinery circuits, and industrial electrical systems requiring dependable overcurrent and short-circuit protection.
The 18802 provides high breaking capacity performance in accordance with EN/IEC 60947-2, including 50 kA at 380–415 V AC and 36 kA at up to 375 V DC. It is suitable for isolation and includes ON/OFF indication, a trip indicator, manual tripping test functionality, and integrated padlocking. The unit mounts vertically on a 35 mm symmetrical DIN rail and is compatible with comb busbars and distribution blocks.
Built for demanding industrial panel environments, this Schneider Acti9 NG125L breaker features IP20 protection, IK05 impact resistance, tunnel-type terminals, and an operating temperature range of -30°C to 70°C. It is commonly used in control panels, distribution boards, machinery circuits, and industrial electrical systems requiring dependable overcurrent and short-circuit protection.
| Specification | Description |
|---|---|
| Manufacturer | Schneider |
| Part Number | 18802 |
| Product Type | Miniature circuit breaker |
| Product Range | Acti9 NG125 |
| Device Short Name | NG125L |
| Application | Electrical distribution |
| Pole Configuration | 3P |
| Protected Poles | 3 |
| Rated Current | 25 A at 104 °F (40 °C) |
| Trip Unit Technology | Thermal-magnetic |
| Curve Code | C curve |
| Network Type | AC and DC |
| Network Frequency | 50/60 Hz |
| Rated Operational Voltage | 220 to 240 V AC, 380 to 415 V AC, 440 V AC, 500 V AC, and up to 375 V DC |
| Breaking Capacity | 100 kA at 220 to 240 V AC; 50 kA at 380 to 415 V AC; 40 kA at 440 V AC; 15 kA at 500 V AC; 36 kA at up to 375 V DC |
| Rated Service Breaking Capacity | 75 kA at 220 to 240 V AC; 37.5 kA at 380 to 415 V AC; 30 kA at 440 V AC; 11.25 kA at 500 V AC; 50 kA at 375 V DC |
| Magnetic Tripping Limit | 8 x In ±20% |
| Utilization Category | Category A according to IEC 60947-2 |
| Rated Insulation Voltage | 690 V AC |
| Rated Impulse Withstand Voltage | 8 kV |
| Isolation Suitability | Suitable for isolation according to IEC 60947-2 |
| Contact Position Indicator | Yes |
| Local Signaling | ON/OFF indication and trip indicator |
| Control Type | Toggle with manual tripping test |
| Mounting Method | Clip-on |
| Mounting Support | 35 mm symmetrical DIN rail |
| Mounting Position | Vertical |
| Comb Busbar Compatibility | Compatible with comb busbar and distribution block arrangements |
| 9 mm Pitches | 9 |
| Dimensions | 4.06 in high x 3.19 in wide x 3.19 in deep (103 x 81 x 81 mm) |
| Net Weight | 1.59 lb (0.72 kg) |
| Mechanical Durability | 20,000 cycles |
| Electrical Durability | 10,000 cycles |
| Padlocking Provision | Padlockable with integrated padlocking |
| Terminal Type | Tunnel type terminals |
| Rigid Conductor Capacity | 1.5 to 50 mm² |
| Flexible Conductor Capacity | 1 to 35 mm² |
| Wire Stripping Length | 0.79 in (20 mm) |
| Tightening Torque | 30.98 lbf.in (3.5 N.m) |
| Earth-Leakage Protection | Separate block |
| Standards | EN/IEC 60947-2 |
| IP Rating | IP20 according to IEC 60529 |
| IK Rating | IK05 according to EN/IEC 62262 |
| Pollution Degree | 3 according to IEC 60947-2 |
| Overvoltage Category | IV |
| Tropicalization | 2 according to IEC 60068-1 |
| Relative Humidity | 95% at 131 °F (55 °C) |
| Operating Altitude | Up to 6,561.68 ft (2,000 m) |
| Operating Temperature | -22 to 158 °F (-30 to 70 °C) |
| Storage Temperature | -40 to 158 °F (-40 to 70 °C) |
What type of device is this component?
This component is a Schneider Electric Acti9 NG125L miniature circuit breaker designed for electrical distribution applications.
How many poles does this circuit breaker have?
It is a 3-pole miniature circuit breaker, with all three poles protected.
What is the rated current?
The rated current is 25 A at 104 °F (40 °C).
What trip curve does this breaker use?
This breaker uses a C curve, which is commonly used for circuits with moderate inrush currents such as motors, transformers, and general distribution loads.
What trip unit technology is used?
It uses thermal-magnetic trip technology, combining thermal overload protection with magnetic short-circuit protection.
What is the breaking capacity for AC applications?
The breaking capacity varies by voltage: 100 kA at 220–240 V AC, 50 kA at 380–415 V AC, 40 kA at 440 V AC, and 15 kA at 500 V AC, according to EN/IEC 60947-2.
Can this breaker be used on DC networks?
Yes. Schneider 18802 is rated for both AC and DC network types, with a DC operational voltage of up to 375 V DC and a breaking capacity of 36 kA Icu at up to 375 V DC.
What standard is this circuit breaker designed to meet?
This miniature circuit breaker is designed according to EN/IEC 60947-2.
Is this device suitable for isolation?
Yes. It is listed as suitable for isolation according to IEC 60947-2.
How is the breaker mounted?
It is designed for clip-on installation onto a 35 mm symmetrical DIN rail in a vertical mounting position.
What are the approximate dimensions?
The unit measures approximately 4.06 in high, 3.19 in wide, and 3.19 in deep, equivalent to 103 mm by 81 mm by 81 mm.
What terminal sizes can it accept?
The tunnel terminals accept rigid conductors from 1.5 to 50 mm² and flexible conductors from 1 to 35 mm².
What tightening torque should be used for the terminals?
The specified tightening torque is 30.98 lbf.in, equivalent to 3.5 N.m.
Does it include position and trip indication?
Yes. The breaker includes ON/OFF indication, a contact position indicator, and a trip indicator.
What environmental ratings apply to this breaker?
It has an IP20 degree of protection according to IEC 60529, an IK05 impact rating according to EN/IEC 62262, pollution degree 3, and overvoltage category IV.
What operating temperature range is specified?
The specified ambient operating temperature range is -22 to 158 °F, equivalent to -30 to 70 °C.
- Protecting three-phase electrical distribution circuits from overloads and short circuits
- Use in industrial control panels requiring a 25 A thermal-magnetic miniature circuit breaker
- Circuit protection for machinery power feeds in manufacturing environments
- Distribution board protection for AC circuits up to 500 V
- Protection of DC circuits up to 375 V where a high breaking capacity breaker is required
- Isolation and switching of downstream electrical loads during maintenance activities
- Use in DIN rail-mounted panel assemblies with Acti9 NG125 components
- Protecting motor control circuits, auxiliary systems, and plant equipment supply lines
- Electrical distribution in commercial buildings, workshops, and industrial facilities
- Applications requiring a C curve trip characteristic for moderate inrush current loads
This content has been produced using multiple sources. EU Automation takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
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Customer reviews
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Daniel
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Alex Bailey is my main point of contact at EU Automation...he is extremely friendly, has exceptional customer service skills and always offers great pricing & lead times.
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Tom Higgins did a great job at getting us the part we needed. He saw a concern with the part a verified before shipping.
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Thomas Higgins has gone above and beyond to make things happen for my facility. His customer service and knowledge were an asset in helping me with my order and the logistics challenges!
5 months ago
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