WEG Electric UMBW-UL489, UMBW-UL1077 Data Sheet

Circuit Protection

UL Approval

Number of Poles Current Rating

UMBW-UL489 and UL1077 Listed

Introducing the New WEG UMBW Series Thermal-Magnetic Miniature Circuit Breakers. This new offering includes both UL489 and UL1077 approvals to provide a solution for circuit & equipment protection in Industrial Electrical equipment. The UMBW has a range from 1 to 63Amps, available in 1,2, 3 poles, and B, C, D trip curves.

Standard Features

• AC & DC voltages available in one Series

• UL489 Branch Circuit protective device

• UL1077 Equipment protection

• 17.5mm width per pole

• Visual status indication

• Positive trip-free snap action mechanism to ensure

reliable switching

• Cuttable Bus Bar connecting system

UMBW Catalog Number Sequence

UMBW -1

-1= UL1077

-4= UL489

B 1 -1

B= 4xIn (+/-20% ) Magnetic Trip Current C= 8xIn (+/-20% ) Magnetic Trip Current D= 12xIn (+/-20% ) Magnetic Trip Current

1,2,3

Trip Curve

UL1077-1 to 63

UL489-1 to 63

Table inte nded as ref eren ce onl y and no t to cre ate pa rt nu mber s.

Circuit Protection

UL1077

# Poles Ampacity

1 UMBW-1B1-1 UMBW-1C1-1 UMBW-1D1-1

1.5 UMBW-1B1-1.5

2 UMBW-1B1-2 UMBW-1C1-2 UMBW-1D1-2

3 UMBW-1B1-3 UMBW-1C1-3 UMBW-1D1-3

4 UMBW-1B1-4 UMBW-1C1-4 UMBW-1D1-4

5 UMBW-1B1-5 UMBW-1C1-5 UMBW-1D1-5

6 UMBW-1B1-6 UMBW-1C1-6 UMBW-1D1-6

1 POLE

7 UMBW-1B1-7

8 UMBW-1B1-8

10 UMBW-1B1-10 UMBW-1C1-10 UMBW-1D1-10

12 UMBW-1B1-12 UMBW-1C1-12 UMBW-1D1-12

13 UMBW-1B1-13

15 UMBW-1B1-15 UMBW-1C1-15 UMBW-1D1-15

16 UMBW-1B1-16 UMBW-1C1-16 UMBW-1D1-16

20 UMBW-1B1-20 UMBW-1C1-20 UMBW-1D1-20

25 UMBW-1B1-25 UMBW-1C1-25 UMBW-1D1-25

30 UMBW-1B1-30

32 UMBW-1B1-32 UMBW-1C1-32 UMBW-1D1-32

35 UMBW-1B1-35

40 UMBW-1B1-40 UMBW-1C1-40 UMBW-1D1-40

50 UMBW-1B1-50 UMBW-1C1-50 UMBW-1D1-50

60 UMBW-1B1-60

63 UMBW-1B1-63 UMBW-1C1-63 UMBW-1D1-63

1 UMBW-1B2-1 UMBW-1C2-1 UMBW-1D2-1

1.5 UMBW-1B2-1.5

2 UMBW-1B2-2 UMBW-1C2-2 UMBW-1D2-2

3 UMBW-1B2-3 UMBW-1C2-3 UMBW-1D2-3

4 UMBW-1B2-4 UMBW-1C2-4 UMBW-1D2-4

2 POLE

5 UMBW-1B2-5 UMBW-1C2-5 UMBW-1D2-5

6 UMBW-1B2-6 UMBW-1C2-6 UMBW-1D2-6

7 UMBW-1B2-7

8 UMBW-1B2-8

10 UMBW-1B2-10 UMBW-1C2-10 UMBW-1D2-10

12 UMBW-1B2-12 UMBW-1C2-12 UMBW-1D2-12

13 UMBW-1B2-13

15 UMBW-1B2-15

16 UMBW-1B2-16 UMBW-1C2-16 UMBW-1D2-16

20 UMBW-1B2-20 UMBW-1C2-20 UMBW-1D2-20

25 UMBW-1B2-25 UMBW-1C2-25 UMBW-1D2-25

30 UMBW-1B2-30

32 UMBW-1B2-32 UMBW-1C2-32 UMBW-1D2-32

35 UMBW-1B2-35

40 UMBW-1B2-40 UMBW-1C2-40 UMBW-1D2-40

50 UMBW-1B2-50 UMBW-1C2-50 UMBW-1D2-50

60 UMBW-1B2-60

63 UMBW-1B2-63 UMBW-1C2-63 UMBW-1D2-63

1) Non-stocked. Contact WEG for availability.

B CURVE C CURVE D CURVE

1

Catalog Number

UMBW-1C1-1.5

UMBW-1C1-7

UMBW-1C1-8

UMBW-1C1-13

UMBW-1C1-30

UMBW-1C1-35

UMBW-1C1-60

UMBW-1C2-1.5

UMBW-1C2-7

UMBW-1C2-8

UMBW-1C2-13

UMBW-1C2-15

UMBW-1C2-30

UMBW-1C2-35

UMBW-1C2-60

1

UMBW-1D1-1.5

UMBW-1D1-7

UMBW-1D1-8

UMBW-1D1-13

UMBW-1D1-30

UMBW-1D1-35

UMBW-1D1-60

UMBW-1D2-1.5

UMBW-1D2-7

UMBW-1D2-8

UMBW-1D2-13

UMBW-1D2-15

UMBW-1D2-30

UMBW-1D2-35

UMBW-1D2-60

Max Voltage Multiplier

1

277 VAC Z12

1

277/480 VAC Z12

UMBW

Circuit Protection

UMBW

UL1077

# Poles Ampacity

B CURVE C CURVE D CURVE

1 UMBW-1B3-1 UMBW-1C3-1 UMBW-1D3-1

1.5 UMBW-1B3-1.5

2 UMBW-1B3-2 UMBW-1C3-2 UMBW-1D3-2

3 UMBW-1B3-3

4 UMBW-1B3-4 UMBW-1C3-4 UMBW-1D3-4

5 UMBW-1B3-5

6 UMBW-1B3-6 UMBW-1C3-6 UMBW-1D3-6

3 POLE

7 UMBW-1B3-7

8 UMBW-1B3-8

10 UMBW-1B3-10 UMBW-1C3-10 UMBW-1D3-10

12 UMBW-1B3-12

13 UMBW-1B3-13

15 UMBW-1B3-15

16 UMBW-1B3-16 UMBW-1C3-16 UMBW-1D3-16

20 UMBW-1B3-20 UMBW-1C3-20 UMBW-1D3-20

25 UMBW-1B3-25 UMBW-1C3-25 UMBW-1D3-25

30 UMBW-1B3-30

32 UMBW-1B3-32 UMBW-1C3-32 UMBW-1D3-32

35 UMBW-1B3-35

40 UMBW-1B3-40 UMBW-1C3-40 UMBW-1D3-40

50 UMBW-1B3-50 UMBW-1C3-50 UMBW-1D3-50

60 UMBW-1B3-60

63 UMBW-1B3-63 UMBW-1C3-63 UMBW-1D3-63

1) Non-stocked. Contact WEG for availability.

1

Catalog Number

UMBW-1C3-1.5

UMBW-1C3-3

UMBW-1C3-5

UMBW-1C3-7

UMBW-1C3-8

UMBW-1C3-12

UMBW-1C3-13

UMBW-1C3-15

UMBW-1C3-30

UMBW-1C3-35

UMBW-1C3-60

1

UMBW-1D3-1.5

UMBW-1D3-3

UMBW-1D3-5

UMBW-1D3-7

UMBW-1D3-8

UMBW-1D3-12

UMBW-1D3-13

UMBW-1D3-15

UMBW-1D3-30

UMBW-1D3-35

UMBW-1D3-60

Max Voltage Multiplier

1

277/480 VAC Z12

1

Circuit Protection

UL489

# Poles Ampacity

1 POLE

2 POLE

Catalog Number

B CURVE C CURVE D CURVE

1 UMBW-4B1-1 UMBW-4C1-1 UMBW-4D1-1

1.5 UMBW-4B1-1.5

2 UMBW-4B1-2

3 UMBW-4B1-3

1

UMBW-4C1-1.5

UMBW-4C1-2 UMBW-4D1-2

UMBW-4C1-3

1

UMBW-4D1-1.5

UMBW-4D1-3

4 UMBW-4B1-4 UMBW-4C1-4 UMBW-4D1-4

5 UMBW-4B1-5

1

UMBW-4C1-5

1

UMBW-4D1-5

6 UMBW-4B1-6 UMBW-4C1-6 UMBW-4D1-6

7 UMBW-4B1-7

8 UMBW-4B1-8

1

UMBW-4C1-7

UMBW-4C1-8

1

UMBW-4D1-7

UMBW-4D1-8

10 UMBW-4B1-10 UMBW-4C1-10 UMBW-4D1-10

12 UMBW-4B1-12

13 UMBW-4B1-13

1

UMBW-4C1-12

UMBW-4C1-13

15 UMBW-4B1-15 UMBW-4C1-15

1

UMBW-4D1-12

UMBW-4D1-13

UMBW-4D1-15

16 UMBW-4B1-16 UMBW-4C1-16 UMBW-4D1-16

20 UMBW-4B1-20 UMBW-4C1-20 UMBW-4D1-20

25 UMBW-4B1-25 UMBW-4C1-25 UMBW-4D1-25

30 UMBW-4B1-30

1

UMBW-4C1-30

1

UMBW-4D1-30

32 UMBW-4B1-32 UMBW-4C1-32 UMBW-4D1-32

35 UMBW-4B1-35

40 UMBW-4B1-40

50 UMBW-4B1-50

60 UMBW-4B1-60

63 UMBW-4B1-63

1

UMBW-4C1-35

UMBW-4C1-40

UMBW-4C1-50

UMBW-4C1-60

UMBW-4C1-63

1

UMBW-4D1-35

UMBW-4D1-40

UMBW-4D1-50

UMBW-4D1-60

UMBW-4D1-63

1 UMBW-4B2-1 UMBW-4C2-1 UMBW-4D2-1

1.5 UMBW-4B2-1.5

1

UMBW-4C2-1.5

1

UMBW-4D2-1.5

2 UMBW-4B2-2 UMBW-4C2-2 UMBW-4D2-2

3 UMBW-4B2-3

1

UMBW-4C2-3

1

UMBW-4D2-3

4 UMBW-4B2-4 UMBW-4C2-4 UMBW-4D2-4

5 UMBW-4B2-5 UMBW-4C2-5 UMBW-4D2-5

6 UMBW-4B2-6 UMBW-4C2-6 UMBW-4D2-6

7 UMBW-4B2-7

8 UMBW-4B2-8

1

UMBW-4C2-7

UMBW-4C2-8

1

UMBW-4D2-7

UMBW-4D2-8

10 UMBW-4B2-10 UMBW-4C2-10 UMBW-4D2-10

12 UMBW-4B2-12 UMBW-4C2-12 UMBW-4D2-12

13 UMBW-4B2-13

15 UMBW-4B2-15

1

UMBW-4C2-13

UMBW-4C2-15

1

UMBW-4D2-13

UMBW-4D2-15

16 UMBW-4B2-16 UMBW-4C2-16 UMBW-4D2-16

20 UMBW-4B2-20 UMBW-4C2-20 UMBW-4D2-20

25 UMBW-4B2-25 UMBW-4C2-25 UMBW-4D2-25

30 UMBW-4B2-30

1

UMBW-4C2-30

1

UMBW-4D2-30

32 UMBW-4B2-32 UMBW-4C2-32 UMBW-4D2-32

35 UMBW-4B2-35

40 UMBW-4B2-40

50 UMBW-4B2-50

60 UMBW-4B2-60

63 UMBW-4B2-63

1

UMBW-4C2-35

UMBW-4C2-40

UMBW-4C2-50

UMBW-4C2-60

UMBW-4C2-63

1

UMBW-4D2-35

UMBW-4D2-40

UMBW-4D2-50

UMBW-4D2-60

UMBW-4D2-63

Max Voltage List Price Multiplier

1

277 VAC /60 VDC Z12

1

120 VAC /60 VDC Z12

1

277/480 VAC 125 VDC Z12

1

277/480 VAC 125 VDC Z12

1

UMBW

Circuit Protection

UMBW

UL489

# Poles Ampacity

1 UMBW-4B3-1 UMBW-4C3-1 UMBW-4D3-1

1.5 UMBW-4B3-1.5

2 UMBW-4B3-2 UMBW-4C3-2 UMBW-4D3-2

3 UMBW-4B3-3

4 UMBW-4B3-4 UMBW-4C3-4 UMBW-4D3-4

5 UMBW-4B3-5 UMBW-4C3-5 UMBW-4D3-5

6 UMBW-4B3-6 UMBW-4C3-6 UMBW-4D3-6

7 UMBW-4B3-7

3 POLE

8 UMBW-4B3-8

10 UMBW-4B3-10 UMBW-4C3-10 UMBW-4D3-10

12 UMBW-4B3-12

13 UMBW-4B3-13

15 UMBW-4B3-15 UMBW-4C3-15 UMBW-4D3-15

16 UMBW-4B3-16 UMBW-4C3-16 UMBW-4D3-16

20 UMBW-4B3-20 UMBW-4C3-20 UMBW-4D3-20

25 UMBW-4B3-25 UMBW-4C3-25 UMBW-4D3-25

30 UMBW-4B3-30

32 UMBW-4B3-32 UMBW-4C3-32 UMBW-4D3-32

35 UMBW-4B3-35

40 UMBW-4B3-40

50 UMBW-4B3-50

60 UMBW-4B3-60

63 UMBW-4B3-63

1) Non-stocked. Contact WEG for availability.

Catalog Number

B CURVE C CURVE D CURVE

1

UMBW-4C3-1.5

UMBW-4C3-3

UMBW-4C3-7

UMBW-4C3-8 UMBW-4D3-8

UMBW-4C3-12

UMBW-4C3-13

UMBW-4C3-30

UMBW-4C3-35

UMBW-4C3-40

UMBW-4C3-50

UMBW-4C3-60

UMBW-4C3-63

1

UMBW-4D3-1.5

UMBW-4D3-3

UMBW-4D3-7

UMBW-4D3-12

UMBW-4D3-13

UMBW-4D3-30

UMBW-4D3-35

UMBW-4D3-40

UMBW-4D3-50

UMBW-4D3-60

UMBW-4D3-63

Max Voltage List Price Multiplier

1

277/480 VAC 125 VDC

1

240 VAC / 125 VDC

1

Z12

Breaker Technical Data

Electrical Ratings

Approval Poles Voltage Ampacity Interrupting

UL1077

E468808

UL489

E468810

IEC 60947-2

Circuit Protection

UMBW

1 Pole 240VAC 1A - 63A 7.5kA

1 Pole 277VAC 1A - 63A 5kA

2,3 Pole 240VAC 1A - 63A 5kA

2, 3 Pole 277/480Y VAC 1A - 63A 5kA

1 Pole 60VDC - pending 1A - 63A 7.5kA

2 Pole 125VDC - pending 1A - 63A 7.5kA

1 Pole 120VAC 1A - 63A 10kA

2, 3 Pole 240VAC 1A - 63A 10kA

1 Pole 277VAC 1A - 20A 10kA

2, 3 Pole 277/480Y VAC 1A - 20A 10kA

1 Pole 60VDC 1A - 63A 10kA

2 Pole 125VDC 1A - 63A 10kA

1 Pole 230VAC 1A - 63A 10kA

2, 3 Pole 400VAC 1A - 63A 10kA

Mechanical Ratings

Tripping Curves B,C,D

Number of Poles 1,2,3

Mounting Position Vertical, Horizontal

Cable Cross Section 35mm sq, 2 Awg Maximum

Ambient Temperature -35 deg C to +70 deg C

Protection Class IP20

Mechanical Operations 10,000

Vibration (sinusoidal) +- .38mm (10-57HZ), 5g

Test to IEC 60060-2-6 (57-500HZ)

Shock Test to IEC60068-2-27, Test Ea 30g (11ms)

Corrosion Test to IEC60068-2-11 Test Ka 96hrs in 5% salt mist

Humidity Test to IEC60068-2-78 Test Cab 48hrs at 95% RH, Temp +40 deg C

Accessories

Auxiliary Contact 1NO/1NC

Torque 2 Nm, 1.48 ft lbs Maximum

Mass UL1077 - 116 grams per pole

UL489 - 131 grams per pole

Test to Fc 10 frequency cycles per axis

Terminals Screw with Bus Bar Connections

Shunt Trip 120,240,277AC…12,24,48,125DC

Bell Alarm 1NO/1NC

Bus Bar 1,2,3 Phase…1,2,3 Phase with Auxiliary

Circuit Protection

04

UMBW

Operating Ampacity Based on Ambient Temperature (Degree C)

Amps -35 -30 -25 -20 -15 -10 -5 0 +5 +10 +15 +20 +25 +30 +35 +40 +45 +50 +55 +60 +65 +70

1 1.3 1.3 1.2 1.2 1.2 1.2 1.2 1.1 1.1 1.1 1.1 1.1 1.0 1.0 1.0 0.9 0.9 0.9 0.9 0.8 0.8 0.8

2 2.5 2.5 2.5 2.4 2.4 2.3 2.3 2.3 2.2 2.2 2.1 2.1 2.0 2.0 1.9 1.9 1.8 1.8 1.7 1.7 1.6 1.5

4 5.1 5.0 4.9 4.8 4.8 4.7 4.6 4.5 4.4 4.3 4.2 4.2 4.1 4.0 3.9 3.8 3.6 3.6 3.4 3.3 3.2 3.1

6 7.7 7.6 7.5 7.3 7.2 7.1 7.0 6.8 6.7 6.6 6.4 6.3 6.1 6.0 5.8 5.7 5.5 5.4 5.2 5.0 4.8 4.6

10 13.9 13.6 13.4 13.1 12.8 12.5 12.2 11.9 11.6 11.3 11.0 10.7 10.3 10.0 9.6 9.2 8.9 8.5 8.0 7.6 7.1 6.6

16 20.8 20.4 20.1 19.8 19.4 19.1 18.7 18.3 18.0 17.6 17.2 16.8 16.4 16.0 15.6 15.1 14.7 14.2 13.7 13.2 12.7 12.8

20 25.7 25.3 24.9 24.5 24.1 23.6 23.2 22.8 22.3 21.9 21.4 21.0 20.5 20.0 19.5 19.0 18.4 17.9 17.3 16.7 16.1 15.5

25 32.2 31.7 31.2 30.7 30.2 29.7 29.1 28.6 28.0 27.4 26.8 26.2 25.6 25.0 24.3 23.7 23.0 22.3 21.6 20.8 20.0 19.2

32 41.0 40.5 39.8 39.2 38.5 37.8 37.2 36.5 35.8 35.0 34.3 33.5 32.8 32.0 31.2 30.3 29.5 28.7 27.7 26.8 25.8 24.8

40 51.6 50.9 50.0 40.2 48.4 47.5 46.6 45.7 44.8 43.9 43.0 42.0 41.0 40.0 38.9 37.9 36.8 35.6 34.4 33.2 32.0 30.6

50 64.9 64.0 62.9 61.9 60.8 59.7 58.5 57.4 56.2 55.1 53.8 52.6 51.3 50.0 47.8 46.2 44.8 43.3 41.8 40.2 38.6 35.8

63 83.5 82.1 60.6 79.2 77.7 76.2 74.7 73.1 71.5 69.9 68.2 66.5 64.8 63.0 60.1 58.2 56.2 54.2 52.0 49.8 47.5 43.1

10000

Trip time in seconds

1000

100

Ambient temperature +30 °C

No-trip current 1.05x In Trip current 1.30x In

Curve B magnetic trip current 4x In (±20%) Curve C magnetic trip current 8x In (±20%) Curve D magnetic trip current 12x In (±20%)

B CURVE- Tripping Characteristics: Calibrated for resistive or non /low inductive loads. Applications: Lighting, Control Circuits

C CURVE- Tripping Characteristics: Calibrated for ge ne ral purpose inductive loads. Applications: Fluorecent lighting, midrange inductive motors

D CURVE- Tripping Characteristics: Calibrated for inductive loads with high inrush currents Applications: Motors, Transformers

10

1

0,1

BCD

0,01

0,8 12468102

...times rated current

Magnetic tripping currents are increased by 30 % on DC supplies.

0