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E1N800 R800 PR121/P-LSI WMP

ABB E1N800 R800 PR121/P-LSI WMP Circuit Breaker - Brief Description
Model: E1N800 R800 PR121/P-LSI WMP
Type: Molded Case Circuit Breaker (MCCB)
Key Features:

Rated Current: 800A

Trip Unit: PR121/P-LSI (Long-time, Short-time, Instantaneous protection)

Breaking Capacity: High (WMP indicates specific interruption rating)

Poles: 3P or 4P (verify model variant)

Applications:

Main power distribution

Industrial machinery protection

Data center power systems

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ABB E1N800 R800 PR121/P-LSI WMP Circuit Breaker – Technical Specifications
General Information
Manufacturer: ABB

Model: E1N800 R800 PR121/P-LSI WMP

Type: Molded Case Circuit Breaker (MCCB)

Series: ABB SACE Tmax XT

Electrical Parameters
Rated Current (In): 800A (adjustable via trip unit)

Rated Voltage (Ue):

690V AC (50/60Hz)

250V DC

Breaking Capacity (Icu):

WMP Rating: 100kA @ 415V AC (specific to this variant)

65kA @ 690V AC

Trip Unit: PR121/P-LSI

Protection Functions:

L (Long-time overload)

S (Short-time short-circuit)

I (Instantaneous short-circuit)

Adjustable Settings:

Ir (0.4-1×In)

tr (1-30s delay)

Isd (1.5-10×Ir)

tsd (0.05-0.5s delay)

Ii (2-15×In)

Mechanical Specifications
Poles: 3P (standard) / 4P (optional)

Terminals: Front or rear access (copper/aluminum)

Mounting: Fixed or withdrawable

Mechanical Life: 20,000 operations

Environmental Ratings
Operating Temperature: -25°C to +70°C

Storage Temperature: -40°C to +85°C

Humidity: 95% RH (non-condensing)

Altitude: Up to 2000m without derating

Additional Features
Communication Ready: Optional Micrologic X control unit

Certifications: CE, UL 489, IEC 60947-2

Safety: Finger-safe design

Physical Dimensions
3P Width: 210mm

Weight: Approx. 15kg (3P fixed version)

Typical Applications
Main LV distribution boards

Industrial plant protection

Critical power infrastructure