Name: Schneider Electric Acti9 iC60N A9F74225 MCB - INOSAKI
SKU: Schneider-A9F74225
Price: 52.24 USD
Availability: InStock

Technical Overview

2-pole 25A C-curve miniature circuit breaker with 10kA breaking capacity, VisiSafe and VisiTrip technology, and DIN rail mounting for low-voltage systems.

Key Features

Dual-pole circuit protection with a continuous 25A current rating
Class C tripping curve optimized for moderate inductive inrush loads
VisiSafe green strip guarantees positive contact opening for safe downstream maintenance
VisiTrip mechanical indicator visibly flags electrical faults for fast troubleshooting
Up to 10kA short-circuit breaking capacity at 380-415V AC according to IEC 60947-2
IP20 protection rating, upgradeable to IP40 inside a modular enclosure
Supports standard 35mm DIN rail mounting with easy terminal connection

Technical Specification Matrix

Parameter	Value
Poles Description	2P
Rated Current	25 A
Curve Code	C
Network Type	AC / DC
Breaking Capacity	10 kA Icu at 380...415 V AC 50/60 Hz conforming to EN/IEC 60947-2
Rated Insulation Voltage [Ui]	500 V AC 50/60 Hz conforming to EN/IEC 60947-2
Rated Impulse Withstand Voltage [Uimp]	6 kV conforming to EN/IEC 60947-2
IP Rating	IP20 conforming to IEC 60529
Operating Temperature	-35 °C to 70 °C
Tightening Torque	2 N.m
Electrical Durability	10,000 cycles
Mechanical Durability	20,000 cycles
Physical Weight (kg)	0.25
Dimensions L x W x H (cm)	7.85 x 3.6 x 8.5

Industrial Applications

1. Motor Starter Circuit Overcurrent Protection

This 2-pole C-curve miniature circuit breaker protects control circuits and small single-phase motor starters from thermal overloads and high-current short circuits in industrial switchboards.

Problem Solved

Avoids nuisance tripping during motor startup due to the C-curve magnetic tripping profile (8x In ±20%), while ensuring rapid isolation in the event of a genuine short circuit.

C-curve trippingOvercurrent protectionMotor startersInductive loads

2. HVAC Fan and Pump Protection

Used in sub-distribution boards to isolate and protect 25A single-phase HVAC compressors, fans, and pump motors.

Problem Solved

Provides visual diagnostics via VisiTrip to quickly locate failed components, minimizing HVAC downtime, while VisiSafe ensures maintenance personnel can work downstream with absolute confidence of isolated contacts.

VisiTrip diagnosticVisiSafe isolationHVAC controlSub-distribution

3. DC Control Loop Isolation

Leverages the multi-standard rating of the iC60N to secure 24V to 125V DC control loops, protecting auxiliary power supplies and PLCs from downstream field faults.

Problem Solved

Safeguards sensitive DC power supplies with a rated DC breaking capacity of up to 10 kA at 72-125 V DC, ensuring that localized field device failures do not cascade into complete system blackouts.

DC breaking capacityControl loopsAuxiliary power supplyPLC protection