33668 | MN undervoltage release, Compact NS 630b to Compact NS 3200, 24VDC to 30VDC, 24 VAC 50/60 Hz – Schneider Electric
₹12,232.00 Original price was: ₹12,232.00.₹6,482.96Current price is: ₹6,482.96. Excl. GST
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The Schneider Electric 33668 MN undervoltage release is a control accessory designed for Compact NS 630b to Compact NS 3200 circuit breakers. It operates on 24VDC to 30VDC and 24 VAC 50/60 Hz supply, providing automatic tripping when the control voltage drops below a preset threshold. This auxiliary device is essential for safety applications requiring under-voltage protection in industrial and commercial power distribution systems.
📋 Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | MN Undervoltage Release |
| Part Number / SKU | 33668 |
| Brand | Schneider Electric |
| Compatible Breakers | Compact NS 630b to Compact NS 3200 |
| Control Voltage (DC) | 24 VDC to 30 VDC |
| Control Voltage (AC) | 24 VAC 50/60 Hz |
🏗 Applications
Industrial Power Distribution
Provides under-voltage protection for Compact NS series breakers in industrial switchboards and power distribution panels.
Motor Control Centers
Ensures automatic disconnection of motor feeder breakers when control voltage drops, preventing equipment damage.
Commercial Building Power Systems
Used in main distribution boards and sub-distribution boards for under-voltage safety in commercial complexes.
CPWD / PWD / MES Tender Supply
Meets specification requirements for undervoltage release accessories in government infrastructure projects.
Bulk Distributor Supply
Ideal for electrical wholesalers and distributors supplying Schneider auxiliary components for panel building projects.
Bulk Supply · Tender Orders · Pan-India & International Delivery
Trusted by contractors, electrical distributors, and government buyers across India. Wholesale pricing for bulk orders. GST invoice provided. International shipping to UAE, Singapore, UK, USA, and other countries.
❓ Frequently Asked Questions
Q: Which Schneider circuit breaker models is the MN undervoltage release 33668 compatible with?
A: This MN undervoltage release is compatible with Schneider Compact NS 630b to Compact NS 3200 circuit breakers.
Q: What is the control voltage requirement for this undervoltage release?
A: It operates on 24 VDC to 30 VDC and 24 VAC at 50/60 Hz supply voltage.
Q: What is the function of an MN undervoltage release in a circuit breaker?
A: An MN undervoltage release automatically trips the circuit breaker when the control voltage drops below a preset threshold, providing protection against under-voltage conditions.
Q: Can this undervoltage release be used with both AC and DC control supplies?
A: Yes, it supports both 24 VDC to 30 VDC and 24 VAC 50/60 Hz control supplies, offering flexibility for different control circuit configurations.
Q: Is this a genuine Schneider Electric product and what is the part number?
A: Yes, this is a genuine Schneider Electric product with part number / SKU 33668, designed specifically for the Compact NS series.













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