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Datasheet generated 2026-10-07
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Eaton NMRBM-20/3/B/003-A RCBO 20 A 30 mA, Curve B, 3-Pole, Type A

Eaton · Electrical Components · RCDs & RCBOs · Ireland · eaton.com
Part Number
NmRBM-20/3/B/003-A  ·  HS 8536.90
Eaton NMRBM-20/3/B/003-A RCBO 20 A 30 mA, Curve B, 3-Pole, Type A

Eaton NmRBM-20/3/B/003-A RCD/MCB, 20A, 30mA, miniature circuit-breaker trip curve B, 3 p, residual current circuit-breaker trip characteristic: A.

Technical Specifications

Manufacturer part number (MPN)NmRBM-20/3/B/003-A
EAN / GTIN9010238039391
HS code8536.90
Sales unitpcs
Package quantity30 pcs
Eaton catalogue number193812
Depth86 mm
Height75 mm
Width55 mm
Weight0.39 kg
CompliancesCE Marked; RoHS conform
CertificationsCE
Amperage Rating20 A
Voltage rating400 V
Surge current capacity0.25 kA
Voltage typeAC
Width in number of modular spacings4
FeaturesConcurrently switching N-neutral
Operating ambient temperature - max40 °C
Operating ambient temperature - min-25 °C
Rated current20 A
Rated operational current for specified heat dissipation (In)20 A
Built-in depth70 mm
Current limiting class3
Rated short-circuit breaking capacity (EN 60947-2)0 kA
Ambient operating temperature - max40 °C
Ambient operating temperature - min-25 °C
Fault current rating0.03 A
Number of poles (protected)3
Number of poles (total)3
Rated operational voltage (Ue) - max415 V
Basic functionCombined RCD/MCB devices
Mounting MethodDIN rail
Equipment heat dissipation, current-dependent11.3 W
Rated impulse withstand voltage (Uimp)4 kV
Degree of protectionIP20
Overvoltage categoryIII
Pollution degree2
Leakage current typeA
Release characteristicB
Frequency rating50 Hz
Rated insulation voltage (Ui)500 V
Connectable conductor cross section (solid-core) - min1 mm²
Connectable conductor cross section (solid-core) - max25 mm²
Connectable conductor cross section (multi-wired) - min1 mm²
Connectable conductor cross section (multi-wired) - max25 mm²
Rated short-circuit breaking capacity (EN 61009)10 kA
Rated short-circuit breaking capacity (EN 61009-1)10 kA
Disconnection characteristicUndelayed
TypeRCBO

Properties

MOQ1

Cross-References

Attached Documents