Product Description

Siemens 3VJ2 MCCB Pre-Alarm Accessory Right Side FS400/630 – 3VJ9427-0AD21

Product Description

The Siemens 3VJ9427-0AD21 is a pre-alarm accessory designed for compatible Siemens 3VJ2 MCCBs with FS400/630 frame size. It is used to provide an early warning signal when the circuit breaker approaches a defined operating or overload condition, helping support preventive action before a protective trip occurs.

This accessory is suitable for industrial power distribution panels, switchboards, control cabinets and electrical protection systems where monitoring and early indication of circuit breaker conditions are important.

The 3VJ9427-0AD21 is suitable for panel builders, OEMs, electrical contractors, system integrators and industrial maintenance teams working with compatible Siemens 3VJ2 MCCBs.

Key Features

• Brand: Siemens
• Product Type: Pre-Alarm Accessory
• Part Number: 3VJ9427-0AD21
• Compatible MCCB: Siemens 3VJ2
• Frame Size: FS400/630
• Position: Right-side
• Designed for pre-alarm indication
• Supports early warning of breaker operating conditions
• Suitable for compatible Siemens MCCB installations
• Genuine Siemens MCCB accessory

Applications

The Siemens 3VJ9427-0AD21 can be used in:

• Siemens 3VJ2 MCCB installations
• Industrial distribution panels
• Power distribution switchboards
• Electrical control cabinets
• Low-voltage switchgear
• Industrial automation systems
• Circuit breaker monitoring applications
• OEM and panel-building projects
• Electrical maintenance applications

Benefits

• Provides early warning before a protective trip condition
• Supports preventive maintenance and controlled operation
• Helps monitor compatible MCCB operating conditions
• Designed for Siemens 3VJ2 FS400/630 MCCBs
• Suitable for industrial and commercial switchgear
• Useful for replacement and maintenance requirements

Buy Siemens 3VJ9427-0AD21 from SB Smart

Looking for a Siemens 3VJ9427-0AD21 Pre-Alarm accessory supplier in India? SB Smart supplies Siemens MCCBs, pre-alarm accessories, switchgear components and industrial electrical products for panel builders, OEMs, contractors, system integrators and industrial customers.

We supply Siemens products across Delhi, Faridabad, Gurugram, Noida, Punjab, Mumbai and major cities across India.

Frequently Asked Questions

1. What is Siemens 3VJ9427-0AD21?
The Siemens 3VJ9427-0AD21 is a pre-alarm accessory designed for compatible Siemens 3VJ2 MCCBs with FS400/630 frame size.

2. What is the purpose of the pre-alarm accessory?
It provides an early warning signal when the MCCB approaches a defined operating condition, helping users take preventive action.

3. Which MCCB is compatible with 3VJ9427-0AD21?
It is designed for compatible Siemens 3VJ2 MCCBs with FS400/630 frame size.

4. Is 3VJ9427-0AD21 a right-side accessory?
Yes, the specified configuration is the right-side pre-alarm accessory.

5. Where is Siemens 3VJ9427-0AD21 used?
It can be used in industrial distribution panels, switchboards, control cabinets, low-voltage switchgear and MCCB monitoring applications.

6. Where can I buy Siemens 3VJ9427-0AD21 in India?
You can source the Siemens 3VJ9427-0AD21 from SB Smart for compatible Siemens MCCB and industrial switchgear applications.