Bulletin 140U M-Frame
Product Selection — 800 A, M-Frame
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- UL 489
- CSA 22.2, No. 5
- IEC 60947-2
- CE
- KEMA-KEUR
Note: Terminal box lugs must be ordered separately. See
Breaker Frames
| Rated Current In [A] | Breaking Capacity (50 Hz) Icu /Ics [kA] | Interrupting Rating (60 Hz) [kA] | Cat. No. | |||||||||
| 220…240V | 380…415V | 525V | 690V | 240V | 480V | 600V | ||||||
| 800 | 65 | 65 | 50 | 50 | 50 | 25 | 20 | 10 | 65 | 50 | 25 | 140U-M5X3 |
| 100 | 100 | 70 | 70 | 70 | 50 | 25 | 13 | 100 | 65 | 35 | 140U-M6X3 | |
Trip Units and Rating Plugs
| Thermal-Magnetic | |||
| Rated Current In [A] | Adjustment Range [A] | Cat. No. | |
| Thermal Trip Ir = In |
Magnetic Trip Im = 5…10 x In |
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| 300 | 300 | 1500…3000 | 140U-MTD3-D30 |
| 350 | 350 | 1750…3500 | 140U-MTD3-D35 |
| 400 | 400 | 2000…4000 | 140U-MTD3-D40 |
| 450 | 450 | 2250…4500 | 140U-MTD3-D45 |
| 500 | 500 | 2500…5000 | 140U-MTD3-D50 |
| 600 | 600 | 3000…6000 | 140U-MTD3-D60 |
| 700 | 700 | 3500…7000 | 140U-MTD3-D70 |
| 800 | 800 | 4000…8000 | 140U-MTD3-D80 |
| Electronic | ||||
| Rated Current In [A] | Adjustment Range [A] | Protection Type | Cat. No. | |
| Thermal Trip Ir = 0.5…1.0 x In |
Magnetic Trip Im = 2…8 x In |
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| 800A | 400…800¬ | 800…6400 | 400…800 A LS Electronic Trip Unit | 140U-MTL3-D80 |
| 400…800 A LSI Electronic Trip Unit | 140U-MTH3-D80 | |||
| 400…800 A LSG Electronic Trip Unit | 140U-MTG3-D80 | |||
| 400…800 A LSIG Electronic Trip Unit | 140U-MTI3-D80 | |||
| Select proper rating plug to cover thermal trip requirement. | ||||
| Rating Plugs | |||
| Thermal Trip In [A] |
Cat. No. | Thermal Trip In [A] |
Cat. No. |
| 400 | 140U-MRP3-D40 | 700 | 140U-MRP3-D70 |
| 500 | 140U-MRP3-D50 | 800 | 140U-MRP3-D80 |
| 600 | 140U-MRP3-D60 | — | — |
Assembled Circuit Breakers, Thermal-Magnetic Trip Units
| Rated Current In [A] | Thermal Trip Ir = In |
Breaking Capacity/Interrupting Rating [kA]T | Cat. No. | Breaking Capacity/Interrupting Rating [kA]T | Cat. No. | ||
| 400V | 480V | 400V | 480V | ||||
| 300 | 300 | 50 | 50 | 140U-M5D3-D30 | 70 | 65 | 140U-M6D3-D30 |
| 350 | 350 | 50 | 50 | 140U-M5D3-D35 | 70 | 65 | 140U-M6D3-D35 |
| 400 | 400 | 50 | 50 | 140U-M5D3-D40 | 70 | 65 | 140U-M6D3-D40 |
| 450 | 450 | 50 | 50 | 140U-M5D3-D45 | 70 | 65 | 140U-M6D3-D45 |
| 500 | 500 | 50 | 50 | 140U-M5D3-D50 | 70 | 65 | 140U-M6D3-D50 |
| 600 | 600 | 50 | 50 | 140U-M5D3-D60 | 70 | 65 | 140U-M6D3-D60 |
| 700 | 700 | 50 | 50 | 140U-M5D3-D70 | 70 | 65 | 140U-M6D3-D70 |
| 800 | 800 | 50 | 50 | 140U-M5D3-D80 | 70 | 65 | 140U-M6D3-D80 |
| T Full ratings are found in the breaker frames table on Breaker Frames | |||||||
Assembled Circuit Breakers, Electronic Trip Units
| Rated Current In [A] | Thermal Trip Ir = 0.5…1.0 x In |
Protection Type | Breaking Capacity/ Interrupting Rating [kA]T |
Cat. No. | Breaking Capacity/ Interrupting Rating [kA]T |
Cat. No. | ||
| 400V | 480V | 400V | 480V | |||||
| 800 | 200…800¬ | LS | 50 | 50 | 140U-M5L3-D80 | 70 | 65 | 140U-M6L3-D80 |
| LSI | 50 | 50 | 140U-M5H3-D80 | 70 | 65 | 140U-M6H3-D80 | ||
| LSG | 50 | 50 | 140U-M5G3-D80 | 70 | 65 | 140U-M6G3-D80 | ||
| ¬ Select proper rating plug to cover thermal trip requirement. | ||||||||
| T Full ratings are found in the breaker frames table on Breaker Frames | ||||||||
Molded Case Switch — UL 489
| Rated Current In [A] | Magnetic Trip [A] Im = 10 x In |
Breaking Capacity (50 Hz) Icu /Ics [kA] | Interrupting Rating (60 Hz) [kA] | Cat. No. | |||||||||
| 220…240V | 380…415V | 500V | 690V | 240V | 480V | 600V | |||||||
| 800 | 8000 | 100 | 100 | 70 | 70 | 70 | 50 | 25 | 13 | 100 | 65 | 35 | 140U-M6S3-D80 |
Accessories — 800 A, M-Frame
Internal Control Modules — Field Installed
| Description | Mounting Location | Diagram | Cat. No. | ||
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Auxiliary Contact (AX) Electrically indicates "ON/OFF" status of breakers |
(1) 1a-1b |
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140U-M-EA1 |
| (2) 1a-1b | Left AND Right Side | 140U-M-EA2 | |||
| Alarm Contact (AL) Electrically indicates when the breaker is in the "TRIPPED" state |
(1) 1M (make)-1B (break) |
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140U-M-ER1 | |
| Right Side Only | |||||
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Auxiliary/Alarm Contact (AX/AL) Combination Combination of auxiliary contact and alarm contact |
(1) 1a-1b (1) 1M (make)-1B (break) |
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140U-M-EA1R1 |
| Right Side Only | |||||
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Shunt Trip (SNT) Provides remote tripping of the circuit breaker Undervoltage trip not available when shunt trip is used |
12…24V, 50/60/DC |
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140U-M-SNJ |
| 110…240V AC, 110…125V DC | 140U-M-SND | ||||
| 380…440V AC, 220…250V DC | 140U-M-SNN | ||||
| 480…600V, 50/60 Hz | Left Side Only | 140U-M-SNB | |||
| Undervoltage Release (UVT) Automatically trips breaker when voltage falls between preset value, 35…70% Shunt trip is not available when undervoltage release is used |
24V, 50/60 Hz |
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140U-M-UJ | |
| 110…127V, 50/60 Hz | 140U-M-UD | ||||
| 208…240V, 50/60 Hz | 140U-M-UA | ||||
| 380…500V, 50/60 Hz | Left Side Only | 140U-M-UB | |||
Note: For Factory-Installed internal control modules, please see Internal Control Modules — Factory Installed
For use with H-, J-, K-, L-, M-, and N-Frame Molded Case Circuit Breakers
External Accessories
| Description | Cat. No. | |||
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Flex-Cable Operating Mechanism Includes handle, cable, operating, and bail mechanism Pre-assembled and adjusted UL Type 1/3/12/4/4X Flange-Mount Operating Handle Non-Metallic |
4 ft (1.3 m) Cable | 140U-M-FCX04 | |
| 6 ft (1.8 m) Cable | 140U-M-FCX06 | |||
| 10 ft (3.0 m) Cable | 140U-M-FCX10 | |||
| Flex-Cable Operating Mechanism Includes handle, cable, operating, and bail mechanism Pre-assembled and adjusted UL Type 4/4X Flange-Mount Operating Handle Stainless Steel |
4 ft (1.3 m) Cable | 140U-M-FCS04 | ||
| 6 ft (1.8 m) Cable | 140U-M-FCS06 | |||
| 10 ft (3.0 m) Cable | 140U-M-FCS10 | |||
| Flex-Cable Operating Mechanism Includes handle, cable, operating, and bail mechanism Pre-assembled and adjusted Painted metal — Type 1/12 Flange mount operating handle |
4 ft (1.2 m) Cable | 140U-M-FMX04 | ||
| 6 ft (1.9 m) Cable | 140U-M-FMX06 | |||
| 10 ft (3.0 m) Cable | 140U-M-FMX10 | |||
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Rotary, Variable-Depth Operating Mechanism UL Type 3/12/4/4X, IP 66 Rotary Handle 12 in. (30.48 cm) operating rod |
Black Handle | 140U-M-RVM12B | |
| Red/Yellow Handle | 140U-M-RVM12R | |||
| Rotary, Variable-Depth Operating Mechanism UL Type 3/12/4/4X, IP 66 Rotary Handle 21 in. (53.34 cm) operating rod |
Black Handle | 140U-M-RVM21B | ||
| Red/Yellow Handle | 140U-M-RVM21R | |||
| Rotary, Variable-Depth Operating Mechanism with Internal NFPA79 Operating Handle External UL Type 3/12/4/4X, IP 66 Rotary Handle 12 in. (30.48 cm) operating rod |
Black Handle | 140U-M-NVM12B | ||
| Red/Yellow Handle | 140U-M-NVM12R | |||
| Rotary, Variable-Depth Operating Mechanism with Internal NFPA79 Operating Handle External UL Type 3/12/4/4X, IP 66 Rotary Handle 21 in. (53.34 cm) operating rod |
Black Handle | 140U-M-NVM21B | ||
| Red/Yellow Handle | 140U-M-NVM21R | |||
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Terminal Lugs | Copper lug, Cu wire Only (3) 3/0…300 MCM or (3) 95…135 mm2 |
Qty: 1 | 140U-M-TLC3 |
| Aluminum lug, Al or Cu wire (3) 3/0…400 MCM or (3) 95…185 mm2 |
Qty: 1 | 140U-M-TLA3 | ||
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Terminal Lugs | Aluminum lug, Al or Cu wire (2) 1…500 MCM or (2) 50…240 mm2 |
Qty: 1 | 140U-M-TLA2 |
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Aluminum lug, Al or Cu wire (2) 500…750 MCM or (2) 240…400 mm2 |
Qty: 1 | 140U-M-TLA2A | |
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Copper lug, Cu wire only (2) 2/0…500 MCM or (2) 70…240 mm2 |
Qty: 1 | 140U-M-TLC2 | |
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Phase Barriers Provides additional phase clearance when special connections that extend past the circuit breaker housing are required |
Qty: 2 | 140U-M-PB | |
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Padlock Kit Padlocking Hasp Lock-OFF only |
Qty: 1 | 140U-M-PL | |
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Replacement Mounting Hardware (4) M8 - 1 x 35 mm § |
For use with 3- or 4-Pole MCCBs | 140U-M-MHM | |
| § Supplied with breaker. | ||||
Approximate Dimensions — 800 A, M-Frame
Dimensions are in inches (millimeters). Dimensions are not intended to be used for manufacturing purposes.
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