VRL11F Type F RCCB,100A 30mA 300mA,2P 4P

VRL11F Type F RCCB – Advanced Protection for Inverter-Driven Appliances

The VRL11F Type F Residual Current Circuit Breaker (RCCB) is engineered to detect mixed-frequency earth leakage currents generated by inverter-driven appliances such as heat pumps, inverter washing machines, tumble dryers, and variable-speed compressor air conditioning systems. Earth leakage currents from these appliances can reach frequencies up to 1kHz, which might not be detected by standard Type A RCCBs. While Type B RCCBs are technically capable, they may be overly specified and more expensive for single-phase applications. The VRL11F bridges the gap by offering a cost-effective, efficient Type F RCCB solution compliant with IEC/EN 62423 and IEC/EN 61008-1 standards.

Key features include a short-time delay function that prevents nuisance tripping from brief leakage spikes during compressor start-up or inverter switching. Additionally, the VRL11F boasts a 3kA (8/20µs) surge withstand capability to handle transient overvoltages without damage. Available in 2P (230/240V) and 4P (400/415V) configurations with rated currents ranging from 16A to 100A and sensitivity options of 30mA, 100mA, or 300mA, the VRL11F is a versatile and reliable choice. If your customers currently use brands like Schneider, ABB, Hager, or Siemens for Type F RCCBs, HUYU Electric offers factory-direct OEM/ODM pricing, complete documentation, and private labeling at competitive rates.

Type F RCCB Configurations – 2P & 4P, 30mA to 300mA

All configurations share a 10kA conditional short-circuit rating, 3kA surge immunity, and a built-in short-time delay to discriminate between genuine earth faults and transient leakage. The 30mA sensitivity setting ensures personnel protection in circuits with inverter-driven appliances, whereas the 100mA and 300mA variants provide effective sub-main and equipment-level protection. Note that overcurrent protection must be provided separately using an MCB, MCCB, or fuse.

Type F vs Type A RCCB – Advanced Protection for Modern Appliances

A Type A RCCB is designed to detect AC and pulsating DC residual currents, which is suitable for standard household circuits. However, a Type F RCCB, such as the VRL11F, adds the capability of detecting mixed-frequency residual currents up to 1kHz. These frequencies are commonly generated by inverter-driven appliances like heat pumps, washing machines, and air conditioning units. When such appliances develop an earth fault, the leakage currents often include harmonics and switching noise, which a Type A RCCB may not detect, leading to potential safety risks. The VRL11F mitigates these risks while its short-time delay function minimizes nuisance tripping caused by transient leakage spikes. A Type F RCCB is also more cost-effective than a Type B RCCB for single-phase circuits that do not require smooth DC detection.

Technical Specifications

OEM/ODM Supply – Type F RCCB for Modern Appliance Circuits

Buyer’s Guide

How to Choose a Type F RCCB – Rating, Sensitivity & Application

A practical guide to specifying the VRL11F for heat pumps, inverter AC, and modern domestic appliances.

1. When Is a Type F RCCB Required?

You need a Type F RCCB when the circuit supplies equipment with single-phase inverter drives that generate mixed-frequency earth leakage currents up to 1kHz. This includes heat pumps, inverter washing machines, condensing tumble dryers, inverter air conditioning units, and dishwashers with variable-speed pumps. If a circuit already has a Type A RCCB and is experiencing unexplained nuisance tripping when these appliances operate, the leakage may contain frequency components that the Type A device cannot correctly process — upgrading to Type F often resolves the issue.

2. Choosing the Current Rating and Sensitivity

For a single dedicated appliance circuit (heat pump or washing machine): 16A or 25A 2P with 30mA. For a sub-main feeding multiple inverter appliance circuits: 40A–63A 2P or 4P with 100mA or 300mA. The VRL11F covers 30mA (personnel protection), 100mA, and 300mA across 16A–100A ratings. Note the short-time delay function — this is built in and does not need to be specified separately.

3. RCCB Type A vs Type F – How to Decide

Type A is sufficient for circuits with standard resistive loads, motors, and basic electronic appliances — the detection range covers AC and pulsating DC up to 6mA. Type F adds detection of mixed-frequency currents up to 1kHz and includes enhanced immunity to surge currents and transient leakage. If the circuit supplies inverter-driven appliances manufactured after approximately 2019, check the equipment datasheet for RCD type requirements — many now specify Type F. The VRL11F meets this requirement while Type A RCCBs from the same current rating range do not.

4. Type F RCCB Brands Compared

Type F RCCBs are available from Schneider (Acti9 iID Type F), ABB, Hager, and Siemens. All comply with IEC 62423. The VRL11F differentiates with standard 3kA surge withstand, built-in short-time delay, and factory-direct OEM pricing. For wholesalers and project buyers, the VRL11F offers a competitive alternative that meets the same international standard, with flexible private labeling and shorter lead times on custom orders.

Frequently Asked Questions

What is the difference between Type A and Type F RCCB?

Type A detects AC and pulsating DC residual current. Type F does everything Type A does, and adds detection of mixed-frequency residual currents up to 1kHz — the type of leakage generated by inverter-driven heat pumps, variable-speed washing machines, and air conditioning compressors. Type F also includes a short-time delay and enhanced surge immunity (3kA for the VRL11F) to prevent nuisance tripping from transient leakage spikes that Type A devices may respond to. If a circuit with inverter appliances experiences random trips on a Type A RCCB, replacing it with a Type F usually resolves the issue.

What is a Type F breaker?

A Type F breaker (or Type F RCCB) is a residual current circuit breaker designed to detect earth leakage currents containing mixed frequencies up to 1kHz, in addition to standard AC and pulsating DC leakage. It was introduced under IEC 62423 to address the protection needs of circuits feeding modern inverter-driven appliances. The VRL11F is a Type F RCCB — it provides earth leakage protection only and must be paired with a separate overcurrent device such as an MCB. Type F is the correct choice when the circuit supplies equipment with variable-speed drives but does not generate smooth DC (which would require Type B).

What is a Type F RCD used for?

A Type F RCD is used for circuits that supply equipment with single-phase inverter drives producing mixed-frequency earth leakage currents up to 1kHz. Common applications include heat pumps, inverter washing machines, condensing tumble dryers, inverter air conditioning units, and dishwashers with variable-speed motors. It is also suitable as a sub-main RCD protecting a group of such appliances. Type F is not intended for circuits with smooth DC leakage (EV chargers, PV inverters) — those require Type B. The VRL11F Type F RCCB carries 30mA, 100mA, and 300mA sensitivity options to match the required protection level.

What is a Type F RCBO?

A Type F RCBO is a combined device that integrates Type F residual current detection with overcurrent protection (MCB) in a single unit. It protects one circuit against earth leakage (including mixed frequencies up to 1kHz), overload, and short circuit. The VRL11F is a Type F RCCB — it provides the residual current detection but not the overcurrent function. If you need combined protection in one device, an RCBO is the correct choice; if overcurrent protection is already provided by a separate MCB or fuse, the VRL11F Type F RCCB handles the earth leakage side of the protection scheme.