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The NHP DTRL2530A is a 25A RCBO from the DIN-T range, combining residual current protection with overload and short-circuit protection in one 1P+N device. It carries a 30mA Type A residual current rating and a 10kA short-circuit breaking capacity on a C curve. The DTRL2530A mounts on DIN rail at one module wide, measuring 117mm high by 17.5mm wide by 75.8mm deep. NHP lists it to AS/NZS 61009.
A separate RCD and MCB occupies more board space and leaves an entire bank of circuits exposed when one earth fault trips the shared device. An RCBO confines the trip to one circuit, and the DTRL2530A does that within a single 17.5mm module. The Type A residual sensing detects AC and pulsating DC residual current, which matters where electronics, inverters, or variable speed drives sit downstream. Earlier Type AC devices detect sinusoidal AC only.
On a commercial or mining board, the 10kA breaking capacity matters where prospective fault current runs high near the supply. The longbody format gives more room behind the terminals, and NHP specifies pin-type terminal connection for the busbar side. Rated endurance is 20,000 mechanical operations across an ambient range of minus 25 to plus 55 degrees Celsius.
The DTRL2530A is rated 25A on a C curve, so circuit design must match the cable, the load, and the discrimination requirements of the installation. Type A sensing covers AC and pulsating DC residual current but does not cover smooth DC, which requires a Type B device. Selection, installation, and testing are work for a licensed electrician under AS/NZS 3000, and the device must be tested after installation.
(DTRL2530A)
Three things in one device: earth leakage at 30mA, overload, and short circuit up to 10kA. That combination is what distinguishes an RCBO from a separate RCD and circuit breaker pair.
Type A residual sensing detects AC and pulsating DC residual current. Type AC devices detect sinusoidal AC only, so Type A suits circuits with switch-mode electronics, inverters, or variable speed drives downstream.
Residual tripping time is 300ms. Some RCBOs in this class quote faster figures, so check the tripping time against the discrimination requirements of the board before specifying.
One DIN module, 17.5mm wide, by 117mm high and 75.8mm deep. That is the same width as a single-pole MCB, covering both protection functions on one circuit.
NHP lists compliance with AS/NZS 61009, the Australian and New Zealand standard for residual current operated circuit breakers with integral overcurrent protection.
Sparky Direct stocks the DIN-T range in 10A as the DTRL1030A, 16A as the DTRL1630A, 20A as the DTRL2030A, and 32A as the DTRL3230A, all 1P+N 10kA 30mA Type A.
NHP lists isolation among its functions alongside overload, short-circuit, and residual current protection. Confirm the isolation arrangement against the switchboard design and AS/NZS 3000 before relying on it.
The NHP DTRL2530A is available online from Sparky Direct, with Australia-wide delivery to any state or territory including regional areas. Sparky Direct is an Australian electrical wholesaler established in 2005, supplying more than 500,000 customers with transparent trade pricing.
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Warranty starts from Invoice Date
Domestic Use: 1 Year
Commercial Use: 1 Year
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| Specification | Details |
|---|---|
| Model | DTRL2530A |
| Rated Current | 25 A |
| Rated Voltage | 240 V AC |
| Rated Leakage Current | 30 mA |
| Frequency | 50/60 Hz |
| Breaking Capacity | 10 kA |
| Trip Curve | C |
| Impulse Withstand Voltage | 4 kV |
| Tripping Time | 300 ms |
| Min Service Voltage | 184 V |
| Max Operating Voltage | 264 V |
| Rated Residual Make/Break Capacity | 10,000 A |
| Mounting Method | DIN Rail |
| IP Rating | IP40 |
| Mechanical Life | 20,000 Cycles |
| Dimensions (H x W x D) | 117 mm x 17.5 mm x 75.8 mm |
| Weight | 0.2 kg |
| Operating Temperature | -25°C to +55°C |
These specifications and characteristics outline physical, mechanical, electrical details.
| Brand | NHP |
| SKU | DTRL2530A |
| Model # | DTRL2530A |
| Package Weight | 0.215kg |
| TYPE | VALUE |
|---|---|
| Type | Circuit Protection |
| Brand | NHP |
| Range | DIN-T |
| Rated Current (A) | 25A |
| Height (mm) | 117 |
| Width (mm) | 17.5 |
| Depth (mm) | 75.8 |
| Protection | C Curve |
| Mounting | DIN Rail |
| Number of Poles | 1P+N |
| Voltage Type | AC |
| IP Rating | IP40 |
| Earth Leakage Protection Class | Type A |
| Dimensions (mm) | D 75.8mm x H 117mm x W 17.5mm |
| Rated Voltage (V) | 240V |
| Rated Leakage Current | 30mA |
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Sparky Direct does not provide installation advice and does not assess product suitability for individual circumstances unless expressly confirmed in writing. Customers must confirm correct product selection, compatibility, compliance, and suitability with a licensed or appropriately qualified professional prior to purchase.
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