Chint Residual Current Circuit Breaker 30mA 6kA - NB1L
Chint Residual Current Circuit Breaker 30mA 6kA - NB1L - 2P 40A is backordered and will ship as soon as it is back in stock.
Description
Description
NB1L Residual Current Operated Circuit Breaker with Over-current Protection(Magnetic)
1.1 Function
Personnel and fire protection: Cable and line protection against overload and short-circuits.
1.2 Selection
Rated residual operating current
I∆n ≤30 mA: additional protection in the case of direct contact.
I∆n ≤300 mA: preventative fire protection in the case of ground fault currents.
Tripping class
AC class
Tripping is ensured for sinusoidal,alternating currents, whether they be quickly applied or slowly increase.
A class
Tripping is ensured for sinusoidal, alternating residual currents as well as for pulsed DC residual currents, whether they be quickly applied or slowly increase.
Tripping curve
B curve (3-5 In) protection and control of the circuits against overloads and short-circuits; protection for people and big length cables in TN and IT systems.
C curve (5-10 In) protection and control of the circuits against overloads and short-circuits; protection for resistive and inductive loads with low inrush current.
1.3 Approvals and certificates
Detailed information, please refer to Certificates Table on the last page.
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Four reasons this is the right fit
Professional-grade quality built for demanding applications.
Trusted performance from Chint.
Designed for reliability in real-world conditions.
Field-tested and proven to deliver consistent results.
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Products are sold by contracted, authorised suppliers through Supply Master.
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Customers deal with Supply Master for updates, support, and resolution.
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After-sales support, warranty and returns are handled through our team.
We review orders to confirm before fulfilment to make sure the product, price, availability, and delivery details are aligned.
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- - Supply Master reviews your order and coordinates with our supplier network to confirm availability and fulfilment readiness.
- - Our team may contact you to confirm details, recommend alternatives, or update you before dispatch.
- - Once confirmed, your order moves into fulfilment or delivery coordination.
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Delivery is coordinated based on your location, product size, supplier readiness, and handling requirements.
- - Free delivery may apply to eligible orders within selected zones and order values.
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Pay on Delivery is available for eligible orders and selected delivery locations.
- - Greater Accra: available on eligible orders.
- - Zone A cities: available on orders up to GH₵1,000.
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