Hager AE 416Y C16 MCB / RCBO 4 Pole 16A 230/400V Switchgear

Hager AE 416Y C16 Miniature Circuit Breaker / Earth Leakage Protector (4-Pole | 16A | 230/400V AC)

The Hager AE 416Y (C16) is an industrial and marine-grade 4-Pole (3P+N) combined protection switchgear device engineered to provide integrated thermal-magnetic overload protection, short-circuit breaking capability, and residual current / earth leakage detection in three-phase low-voltage distribution systems.

Operating across nominal line voltages of 230/400V to 240/415V AC at 50/60 Hz, the AE 416Y delivers a full 16A continuous current capacity per pole paired with a C-curve magnetic tripping response This characteristic handles moderate inductive inrush currents—such as those encountered across auxiliary pumps, cooling fans, shipboard distribution sub-boards, and HVAC air handlers—without nuisance tripping.

Model Details

• Manufacturer: Hager Group
• Model Code: AE 416Y (Series variant: AEC416Y / AE416Y)
• Manufacturer Part Number (MPN): AE416Y / AEC416Y
• Configuration: 4-Pole (4P / 3-Phase + Switched Neutral)
• Mounting Interface: Standard 35 mm DIN Rail (EN 50022 / Top Hat)

Key Features

1. Dual Overcurrent & Earth-Fault Protection: Combines standard C-curve thermal-magnetic overload/short-circuit interruption with high-sensitivity residual current detection (ELCB/RCCB functionality) in a compact modular format.
2. High Interruption Capacity: High-performance arc chute chambers safely extinguish up to 10 kA short-circuit faults under IEC/EN standards without mechanical degradation.
3. Bi-Connect Box Lug Terminals: Heavy-duty, anti-loosening tunnel terminals secure both solid and flexible stranded cables alongside modular busbars.
4. Positive Contact Indication: Mechanical flag indicators coupled with a front-panel monthly push-to-test button ensure fail-safe validation of core-balance transformer integrity.
5. Marine & Tropicalized Construction: Flame-retardant polyamide casing engineered to resist salt mist, vibration, and elevated engine room ambient temperatures (up to 70°C derated).

Equipment Compatibility

• Distribution Boards & Enclosures: Hager Volta, Quadro, Golf, and standard IP65/IP66 weatherproof marine steel enclosures fitted with symmetrical 35 mm DIN rails.
• Marine Auxiliary Panels: 3-phase 400V hotel distribution boards, galley supply panels, deck lighting panels, and auxiliary cooling skid control cabinets.
• Industrial Motor Control: Directly downstream of fractional horsepower 3-phase pump starters, fans, variable frequency drive input filters, and UPS branch circuits.

Part Number Cross-References & Direct Equivalents

• Hager Direct Sub-models: Hager AEC416Y, Hager AD416Y, Hager ADC416Y, Hager HMX416
• Schneider Electric: Acti9 iC60N / iDPN Vigi A9N19685 / A9N19645 (4P 16A C-Curve)
• Siemens: Sentron 5SU1 series 5SU1344-7KK16 (4P 16A C 10kA)
• ABB: System Pro M Compact DS204 / S204 series (4P 16A C-curve)
• Eaton / Moeller: PKNM-16/4/C/003 or equivalent 4-pole RCBO series

Applications

• Marine commercial vessel secondary switchboards (Cargo, Ro-Pax, Offshore OSV/PSV).
• Three-phase machinery isolation, light commercial HVAC panels, and fan arrays.
• Industrial automated manufacturing assembly lines requiring dedicated 4-pole neutral-isolation protection.
• Uninterruptible Power Supply (UPS) output line branching and critical server room PDU racks.

Marine & Switchgear Engineer Installation Guide

• Torque Compliance: Always torque the bi-connect cage terminals using a calibrated torque screwdriver set to 2.8–3.2 Nm. Undertorquing results in localized high-resistance hotspots under full 16A loads, leading to premature thermal tripping and terminal discoloration.
• Neutral Conductor Sequencing: In a 4-pole system, always ensure the neutral conductor is connected to the designated ‘N’ terminal. Do not mix phase line orientations when running cross-chassis busbars to maintain correct core-balance flux cancellation across the residual sensing ring.
• Engine Room Ambient Derating: Marine engine rooms regularly hit ambient temperatures exceeding 45°C. Apply a 0.88 to 0.90 thermal derating coefficient to the nominal 16A curve if installing the AE 416Y in unventilated switchboards situated adjacent to main propulsion or auxiliary generator flats.
• Routine Isolation Testing: Prior to high-voltage insulation tests (e.g., 500V/1000V DC Megger tests), isolate or bridge the ELCB/RCBO electronic sensing assembly to prevent damaging the internal zero-phase current transformer circuitry.

Frequently Asked Questions

What does the C-Curve tripping characteristic mean on the Hager AE 416Y?

The C-curve designates that the internal magnetic release trips between 5 and 10 times the rated current (80A to 160A for this 16A breaker). This makes it suitable for circuits with moderate inductive surge currents, such as small electric motors, fans, and fluorescent ballast banks.

Can the Hager AE 416Y be used on a 3-phase 3-wire system without a neutral?

While designed primarily for 3-phase 4-wire (3P+N) networks, it can mechanically isolate 3-wire phase setups. However, if using the internal earth-leakage/residual current test button, verify that the internal sensing voltage bridge circuit receives the required line-to-neutral or line-to-line potential specified in the wiring diagram.

What is the difference between an MCB and an ELCB/RCBO combination like the AE 416Y?

A standard MCB solely protects against overcurrent (thermal overload) and short-circuit faults. The AE 416Y integrates standard MCB protection with earth-leakage (ELCB/RCD) current sensing, instantly isolating the circuit if leakage current to earth occurs, preventing electrical shock and electrical fire hazards.

What wire cross-section size is recommended for wiring this 16A unit?

For standard industrial and marine runs, 2.5 mm² to 4 mm² multi-strand copper conductors with crimped bootlace ferrules are recommended to ensure secure terminal seating, minimal heat rise, and full mechanical endurance under continuous operation.