PRODUCT DESCRIPTION
SIEMENS 3WL1116-2BB62-1AA2 - Air Circuit Breaker
The SIEMENS 3WL1116-2BB62-1AA2 is a fixed-mounted, 3-pole air circuit breaker from the SENTRON 3WL series, engineered for robust protection of low-voltage electrical installations. It integrates an ETU76B electronic trip unit for precise overload, short-circuit, and ground fault protection, alongside a motorized operating mechanism. This component is designed for critical power distribution applications in industrial plants, infrastructure projects, and data centers, ensuring system reliability and operational safety.
Technical Specifications:
- SERIES/FAMILY: SENTRON 3WL
- COMPONENT TYPE: Air Circuit Breaker (ACB)
- ELECTRICAL SPECS:
- NOMINAL CURRENT: 1600A
- POLES: 3-pole
- NOMINAL VOLTAGE: Up to 690VAC
- FREQUENCY: 50/60 Hz
- SHORT-CIRCUIT BREAKING CAPACITY (Icu): Typically 55kA at 400VAC
- OPERATING VOLTAGE (MOTOR): 200-240VAC
- MECHANICAL/PHYSICAL:
- MOUNTING TYPE: Fixed mounted
- OPERATING MECHANISM: Motorized
- AUXILIARY CONTACTS: 6 Normally Open (NO) + 6 Normally Closed (NC)
- INTERFACE/CONTROL:
- TRIP UNIT: ETU76B Electronic Trip Unit
- PROTECTION FUNCTIONS: Overload (L), Short-circuit (S, I), Ground Fault (G)
- MEASUREMENT FUNCTIONS: Current, Voltage, Power (basic for ETU76B)
- COMMUNICATION: Standard I/O via auxiliary contacts optional communication modules available for integration into higher-level control systems
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (front)
- COOLING METHOD: Natural air convection
- MOUNTING STYLE: Panel mounted within switchgear or distribution boards
- COMPATIBILITY/APPLICATION: Low-voltage power distribution systems, main and sub-distribution boards, industrial control panels, data centers, infrastructure.