ABB MCCB1SDA050999R1

Technical Specifications and Application Guide for ABB MCCB 1SDA050999R1

Spiegazione del modello

Parte del modello	Descrizione
1SDA050999R1	Unique global product code for ABB SACE Tmax T series interruttore automatico scatolato
T2S	Serie di prodotti: Tmax T2 series; S stands for standard breaking capacity (50IL)
160	Frame rated current: 160UN
TMD	Trip unit type: Sganciatore magnetotermico, D-curve (motor protection type)
50-500	Trip unit rated current range: 50UN (valutato), 500UN (instantaneous trip value)
3p	Numero di poli: 3 poli
F F	Montaggio: Fisso; Connessione: Collegamento frontale

Parametri chiave

Parametri Elettrici

Articolo	Valore
Tensione operativa nominale (Un)	400V e (50/60Hz), 690V CA opzionale
Tensione di isolamento nominale (Ui)	690V e
Tensione nominale di tenuta ad impulso (Ump)	8kV
Corrente nominale (In)	50UN (adjustable range 50–500A)
Frame rated current (terapia intensiva)	160UN
Potere di interruzione	50IL (415V e), 36IL (690V e)
Short-time withstand current (Icw)	16IL (1S)
Trip curve	Tipo D, conforme alla CEI 60947-2
Thermal trip range	50–500A (regolabile)
Magnetic trip range	5–10 pollici (regolabile)
Frequenza nominale	50/60Hz compatible

Parametri meccanici

Articolo	Valore
Operation mode	Manuale (standard), motor operation optional
Resistenza meccanica	10,000 operazioni (at rated)
Electrical endurance	1,000 operazioni (rated short-circuit breaking)
Grado di protezione	IP30 (conforme alla CEI 60529)
Terminali	Collegamento frontale, suitable for cable cross-section: 16–70mm²
Montaggio	Fisso, standard 35mm DIN rail mounting

Dimensioni di montaggio

Articolo	Valore (mm)
Larghezza	90
Altezza	150
Profondità	105
Mounting hole pitch	Guida DIN standard da 35 mm
Terminal spacing	Compliant with IEC standards, suitable for standard cable connections

Note applicative

4.1 Linee guida per la selezione

Suitable for motor protection and general industrial power distribution systems, especially where D-curve tripping is required

Derate when ambient temperature exceeds 40°C: 1% per °C rise; max operating temperature 60°C

Derate at altitudes above 2000m: 1% per 100m rise; max altitude 4000m

Select appropriate trip setting current according to actual load, ensuring I_load ≤ In ≤ I_cable

4.2 Requisiti di installazione

Ensure breaker is OFF and voltage-free with multimeter before installation

Mount on 35mm standard DIN rail, ensure firm fixing to avoid vibration effects

Tighten terminals with suitable torque (recommended 6N·m) to prevent overheating from poor contact

Keep sufficient heat dissipation space: at least 50mm clearance around the breaker

Avoid installation in damp, polveroso, corrosive gas or heavy vibration environments

4.3 Funzionamento e manutenzione

Inspect mechanical operating mechanism regularly (annually recommended) to ensure smooth ON/OFF

Test tripping function regularly (semi-annually recommended) to ensure reliable protection

Clean surface with dry soft cloth; avoid chemical cleaners

Record operation count; replace before reaching mechanical endurance

After short-circuit interruption, check breaker condition and replace if necessary

Risoluzione dei problemi

Fault Symptom	Possibili cause	Soluzioni
Fails to close	1. Undervoltage trip not powered	1. Check control power supply
	2. Inceppamento meccanico	2. Operate manually several times to clear jam
	3. Guasto allo sganciatore	3. Replace trip unit module
Frequent tripping	1. Sovraccarico	1. Check load current
	2. Cortocircuito	2. Troubleshoot short circuit
	3. Improper trip setting	3. Reset trip settings
	4. Loose connection causing heating	4. Check and tighten terminals
Ablazione del contatto	1. Long-term overload	1. Replace with higher-rated breaker
	2. Insufficient breaking capacity	2. Upgrade to higher breaking capacity model
	3. Excessive operating frequency	3. Reduce operation frequency or replace suitable model
Trip unit does not operate	1. Trip unit damaged	1. Sostituire lo sganciatore
	2. Cablaggio errato	2. Check wiring correctness
	3. Excessively low ambient temperature	3. Improve ambient temperature or select low-temperature model
Motor operation mechanism fails	1. Control voltage below 85% Un	1. Check control power supply
	2. Limit switch not reset	2. Manually reset limit switch
	3. Motor fault	3. Replace operating mechanism motor

Brand Replacement Solutions

6.1 ABB Alternative Models

Modello di aggiornamento: XT2S 160 TMA 50–500 3p F F (1SDA067555R1), Tmax XT series, prestazioni più elevate, compatible mounting dimensions

Economic alternative: Formula A1B 125 TMF 50–500 3p F F (1SDA066702R1), costo inferiore, same basic protection functions

6.2 Competitive Brand Equivalents

Marca	Modello sostitutivo	Principali differenze
Schneider	CVS160F TMD50 3P 50kA	Same breaking capacity, slight dimension difference, consistent trip curve
Siemens	3VL160 50A 3P TMD	Same frame current, 50potere di interruzione kA, different operating mechanism design
Cinto	NM1-160S/3300 50A	Alternativa domestica, conveniente, basic functions consistent
Delizioso	CDM1-160S/3300 50A	Alternativa domestica, high cost-performance, compliant with IEC standards

Detailed Mounting Dimensions for ABB MCCB 1SDA050999R1

Basic Model and Mounting Type Confirmation

Modello completo: ABB SACE Tmax T2S 160 TMD50–500 3p F F (1SDA050999R1)

Mounting type: Fisso (F), collegamento frontale (F)

Poli: 3 poli (3p)

Serie: Tmax T series (not XT upgraded series)

Core Mounting Dimensions (Unità: mm)

Articolo	Valore	Osservazioni
Larghezza (W)	90	Standard 3-pole width, DIN rail compatible
Altezza (H)	130	Including operating handle, fixed standard height
Profondità (D)	70	Standard depth for fixed front connection, excluding terminal extension
Montaggio	Guida DIN standard da 35 mm	Compliant with IEC 60715, snap-in mounting
Mounting hole pitch	For 35mm DIN rail	Rail thickness 1.0–1.5mm compatible
Terminal spacing	Phase spacing 25mm, N-line spacing 25mm	Standard wiring, suitable for 16–70mm² cable
Terminal height	45mm	From rail plane to top of terminals
Handle height	130mm	From rail plane to top of handle
Net weight	1.12kg	Without packaging

Detailed Dimension Diagram Description

3.1 Front View Dimensions

Total width: 90mm (3-palo)

Total height: 130mm (including handle)

Handle travel: ca. 25mm (ON–OFF difference)

Trip indicator window: 30mm from top, centered

3.2 Side View Dimensions

Total depth: 70mm (fixed front connection)

DIN rail slot: 15mm from bottom, 35mm wide

Terminal connection depth: ca. 15mm from front surface

Terminal tightening torque: 6N·m (for M6 bolts)

3.3 Installation Clearance Requirements

Posizione	Min. Distance	Descrizione
Left and right	50mm	For wiring and heat dissipation
Top and bottom	50mm	Prevent heat buildup, ensure operating space
Front operating space	100mm	For handle operation and maintenance
Rear (in cabinet)	30mm	For cable bending radius

Compatibilità di installazione

4.1 DIN Rail Compatibility

Compatible with standard 35mm DIN rail (IN 60715:2001)

Rail material: steel or aluminum, recommended thickness 1.2mm

Mounting clips: self-contained spring clips, no extra fixings needed

4.2 Dimension Comparison with XT Series

Articolo	Tmax T2S 160 (1SDA050999R1)	Tmax XT2S 160	Difference
Larghezza	90mm	90mm	Stesso, interchangeable position
Altezza	130mm	130mm	Stesso, panel cutout universal
Profondità	70mm	82.5mm	XT series deeper; check cabinet space before replacement
Montaggio	Stesso (35Guida DIN da mm)	Stesso	Pienamente compatibile