18mm Single Module RCBO, 6KA, 1P+N 10mA, Dual-feed capable circuit breaker

OSR2-40 RCBO - Smart Circuit Protection by ZHISHUN

Premium Safety Features

Dual Protection: Combines RCD (earth leakage) + MCB (overload/short-circuit)
Wide Current Range: 6A-40A (6,10,16,20,25,32,40A)
Type A/AC Detection: Catches AC + pulsating DC faults (ideal for EV chargers)
30mA/100mA/300mA Sensitivity: Personal shock & fire protection
6kA Breaking Capacity: Reliable fault interruption

Technical Highlights

Standards: IEC61009-1, CE, CB certified
Voltage: 230/240V AC
Tripping Curves: B (3-5x In) / C (5-10x In)
Operating Temp: -25°C to +40°C
Compact 1P Design: Space-saving installation
Bottom Wiring: Easy connection

Why Choose OSR2-40?
✔ All-in-one safety - No need for separate RCD+MCB
✔ EV charger ready - Type A detects DC leakage
✔ Global certifications - Meets international standards

Best for: Homes • EV Stations • Solar Systems • Commercial Buildings

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Product Details
Why Choose OSR2-40 RCBO
Packing & Delivery
FAQs

Porduct Overview

OSR2-40 1P+N RCBO – Advanced Circuit Protection Solution

Core Protection Features:

Single-module design combining RCD + MCB protection
Comprehensive coverage against:
- Short-circuit currents
- Overload conditions
- Earth fault currents (10/30/100/300mA sensitivity)
- Indirect/direct contact hazards
Built-in supply neutral wire for enhanced safety

Technical Advantages:

Superior Fault Protection – Neutral wire ensures reliable earth fault and overcurrent detection
Critical Environment Ready – Ideal for medical facilities and sensitive electronic installations
Regulation Compliant – Meets strict industry requirements for functional earth wiring
Installation Efficiency – Simplified wiring saves valuable installation time
Space-Saving Design – Compact 1P+N configuration optimizes panel space

Optimal Applications:

Healthcare facilities and medical equipment
Laboratory and research environments
Data centers and server rooms
Industrial control systems
Sensitive electronic installations

Key Benefits:
✔ Dual-function protection in one device
✔ Neutral wire enhances system reliability
✔ Meets stringent safety regulations
✔ Quick and easy installation process
✔ Compact footprint saves space

OSR2-40 RCBO Technical Specifications

Category	Parameter	Specification
Certification	Standard	IEC/EN61009-1
Protection Types	Ground Fault	Electronic trip
	Overcurrent/Short Circuit	Thermo-magnetic trip
	Over-voltage	Selectable
Electrical	Leakage Protection Type	AC, A
	Poles	1P+N (1 module)
	Neutral Line	Disconnected
	Rated Current (In)	6,10,16,20,25,32,40A
	Sensitivity (IΔn)	10,30,100,300mA
	Trip Time (IΔn)	≤0.1s
	Rated Voltage (Ue)	230/240V~
	Frequency	50/60Hz
	Breaking Capacity	6,000A
	Impulse Withstand Voltage	4,000V (1.2/50μs)
	Dielectric Test Voltage	2kV (1 min)
Tripping	Thermal Release	(1.13-1.45) x In
	Magnetic Release	B:3-5x In, C:5-10x In
Mechanical	Electrical Life	4,000 cycles
	Mechanical Life	10,000 cycles
	Contact Indicator	Yes
	Protection Degree	IP20
Environmental	Operating Temperature	-25℃ to +40℃
	Humidity	Max 95%
Installation	Terminal Type	Cable/Pin-type busbar
	Max Cable Size	L(in):25mm², N/L(out):16mm²
	Tightening Torque	L(in):2.5N·m, N/L(out):2N·m
	Mounting	35mm DIN rail
	Connection	Bottom only

Key Features of This Table:

Dimensions

1. All-in-One Protection

Combines RCD (earth leakage) + MCB (overcurrent/short-circuit) protection in a single compact module
Covers: short circuits, overloads, earth faults, and direct/indirect contact risks

2. Enhanced Safety with Neutral Wire

Built-in neutral disconnection ensures reliable protection against earth faults and overcurrents
Critical for medical facilities, labs, and sensitive electronics where safety is paramount

3. Flexible Sensitivity Options

10mA/30mA/100mA/300mA versions available:
- 30mA: Personal shock protection
- 100mA/300mA: Fire prevention

4. Compliant & Reliable

Meets IEC/EN61009-1 standards
Certified for use in regulated environments (healthcare, industrial, etc.)

5. Easy Installation

1P+N design saves space in distribution boards
Bottom wiring for faster, cleaner installations

Best For:

Hospitals & Medical Equipment – Ensures uninterrupted power for critical devices
Data Centers – Protects servers from electrical faults
Industrial Controls – Handles motor inrush currents (C-curve)
Labs & Precision Electronics – Prevents leakage-induced interference

Key Benefits:

✔ Space-saving – No need for separate RCD+MCB
✔ Safety-first – Neutral wire adds extra protection layer
✔ Versatile – Multiple sensitivity options for different needs
✔ Quick setup – Simplified wiring reduces installation time

Shipping choice

Q1: Wonder if you accept small orders?

A1: Do not worry. Feel free to contact us .in order to get more orders and give our clients more convenient ,we accept small order.

Q2: Can you send products to my country?

A2: Sure, we can. If you do not have your own ship forwarder, we can help you.

Q3: Can you do OEM for me?

A3: We accept all OEM orders,just contact us and give me your design.we will offer you a reasonable price and make samples for you ASAP.

Q4: What’s your payment terms ?

A4: By T/T,LC AT SIGHT,30% deposit in advance, balance 70% against the copy of B/L.

Q5: How can I place the order?

A5: First sign the PI,pay deposit,then we will arrange the production.After the goods finished production we will send u the copy of B/L then u paid. Finally u will get the goods.

Q7: When can I get the quotation ?

A7: We usually quote you within 24 hours after we get your inquiry. If you are very urgent to get the quotation.Please call us or tell us in your mail, so that we could regard your inquiry priority.