Siemens / Murray MQJ3200 Molded Case Circuit Breaker
- 200A
- 3 Pole
- Unit Mount
Quantity
Siemens / Murray MQJ3200-R - 200A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
Quantity
Siemens / Murray MQJ3200-R - 200A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Siemens / Murray |
|---|---|
| Part Number | MQJ3200-R |
| Series | MQJ |
| Amperage | 200A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Murray and Siemens Load Centers, Metering Equipment |
| Wire Gauge | 6 AWG - 300 kcmil (Cu), 4 AWG - 300 kcmil (Al) |
| Max Wire | 300 kcmil |
| Min Wire | 6 AWG (Cu), 4 AWG (Al) |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Non-Interchangeable Trip, Common Trip |
Quantity
Siemens / Murray MQJ3200-R - 200A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Siemens / Murray |
|---|---|
| Series | MQJ |
| Amperage | 200A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Murray and Siemens Load Centers, Metering Equipment |
| Wire Gauge | 6 AWG - 300 kcmil (Cu), 4 AWG - 300 kcmil (Al) |
| Max Wire | 300 kcmil |
| Min Wire | 6 AWG (Cu), 4 AWG (Al) |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Non-Interchangeable Trip, Common Trip |
Description
Part of the legacy MQ frame lineup, the Siemens MQJ3200 provides robust thermal-magnetic protection for commercial electrical systems. This 3-pole, 200A unit handles demanding loads across 240VAC networks. As a dedicated replacement component, it mounts into older Murray and Siemens load centers or metering equipment. For modern upgrades, this breaker is officially replaced by the QJ23B200 catalog number. Rated at 10kAIC, it features a non-interchangeable trip and is HACR rated for HVAC use.Specifications
| Brand | Siemens / Murray |
|---|---|
| Part Number | MQJ3200-R |
| Series | MQJ |
| Amperage | 200A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Murray and Siemens Load Centers, Metering Equipment |
| Wire Gauge | 6 AWG - 300 kcmil (Cu), 4 AWG - 300 kcmil (Al) |
| Max Wire | 300 kcmil |
| Min Wire | 6 AWG (Cu), 4 AWG (Al) |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Non-Interchangeable Trip, Common Trip |
Product FAQs
4 answersWhat is the direct replacement for the discontinued Murray MQJ3200?
Siemens has officially replaced the legacy MQJ3200 with the QJ23B200 catalog number. The QJ23B200 provides the exact same form factor and electrical ratings for modern upgrades or direct replacements.
Which panels accept the MQJ3200 circuit breaker?
This QJ/QR frame breaker is engineered for use in compatible legacy Murray and Siemens load centers, as well as commercial metering equipment requiring a bolt-on connection.
What are the acceptable wire gauges for the MQJ3200 lugs?
The terminal lugs accommodate 6 AWG to 300 kcmil copper wire or 4 AWG to 300 kcmil aluminum wire, providing flexibility for standard 200A feeder or branch circuit installations.
Can the trip settings on the MQJ3200 be adjusted?
No, this breaker features a fixed thermal-magnetic trip unit. The long-time and instantaneous (LI) trip functions are factory-set and non-interchangeable.
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