RONK’s 320-amp Meter Socket Circuit Breaker combo (MSB) units are specifically designed for underground installation. These lightweight units offer easy and straightforward installation, making them suitable for use only as service equipment (SUSE). They come in a NEMA 3R aluminum enclosure and are available with 4 and 5 jaw lever bypass options.
The reliability and safety of electrical systems have never been more crucial. RONK's American-designed and assembled products are durable, efficient, and built to last for decades.
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Part Number: MSB320LC-UG
Amperage Rating: (2) 200
Breaker: 25k
Bypass Type: Talon (4-Jaw), Lever-Bypass Meter Socket
Load Lug: Factory Breaker Terminal Load Lugs (1 per Phase)
Knockout Pattern: (2) 2-2.5”, (1) 2.5-3”
Feed Type: Underground Feed Enclosure
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Part Number: MSB320LD-UG
Amperage Rating: (1) 100 & (1) 200
Breaker: 25k
Bypass Type: Talon (4-Jaw), Lever-Bypass Meter Socket
Load Lug: Factory Breaker Terminal Load Lugs (1 per Phase)
Knockout Pattern: (2) 2-2.5”, (1) 2.5-3”
Feed Type: Underground Feed Enclosure
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Part Number: MSB320LE-UG
Amperage Rating: (2) 200
Breaker: 25k
Bypass Type: Talon (5-Jaw) Lever | 5th at 9 o’clock position
Load Lug: Factory Breaker Terminal Load Lugs (1 per Phase)
Knockout Pattern: (2) 2-2.5”, (1) 2.5-3”
Feed Type: Underground Feed Enclosure
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Part Number: MSB320LF-UG
Amperage Rating: (1) 100 & (1) 200
Breaker: 25k
Bypass Type: Talon (5-Jaw) Lever | 5th at 9 o’clock position
Load Lug: Factory Breaker Terminal Load Lugs (1 per Phase)
Knockout Pattern: (2) 2-2.5”, (1) 2.5-3”
Feed Type: Underground Feed Enclosure
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* The CECHA approved unit is our MSB320LE-UG only; add 1 to this item code (Ex: MSB320LE1-UG)
* MEG Utility approved items, add “x4” to item code; Lever Bypass approved only (Ex: MSB320Lx4 (x= C, D, E, F)
