Produts
KEEPSMART AUTOMATION
Switchgear
AUB3-40 Series of Miniature Circuit Breakers
Scope of Application
AUB3-40 miniature circuit breakers are applied to AC circuits with a frequency of 50Hz/60Hz, rated operational voltage of 230V and rated operational current up to 40A. They provide overcurrent protection for wiring installations and electrical equipment in buildings and similar premises, and can also be used for infrequent switching operations.
Product Features
Safe Operation and Protective Performance
All series equipped with red-green indicator window to display open/closed status of contacts
Class II electric shock protection for safer manual operation
High Operational Reliability
Innovative bimetallic calibration technology ensures stable overload protection
Easy Replacement & Installation
Bistable buckle structure for convenient mounting and disassembly
Excellent Electrical Performance
Outstanding current-limiting performance, reaching Class 3 current-limiting grade specified by relevant standards
Electrical service life up to 10,000 operating cycles
Product Details>>
Operating Environment and Installation Conditions
Operating temperature range: -35℃ ~ +70℃
Storage temperature range: -40℃ ~ +85℃
Operating altitude: ≤ 2000 m
Pollution degree: Class 2
Installation category: Category Ⅱ / Ⅲ
Installation requirements: Mounted on standard 35 mm DIN rail; the inclination angle between mounting surface and vertical plane shall not exceed ±5°
| Product Code Definition |
| AU - Enterprise Code: KEEPSMART AUTOMATION LLC |
| B - Product Code: Miniature Circuit Breaker (MCB) |
| 3 - Design Serial Number: 3 |
| -40 - Frame Current Rating: 40A |
| M - Breaking Capacity: L:4500A; M:6000A |
| /C - Instantaneous Tripping Characteristic: B: 3In～5In; C: 5In～10In; D: 10In～20In |
| 06 - Rated Current: 06:6A 10:10A 16:16A 20:20A 25:25A 32:32A 40:40A |
| 1N - Number of Poles: 1N: 1P+N |
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+7 924 008-29-43 / +86 156 0428 1171 -
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