Description
The WEG UMBW series thermal-magnetic miniature circuit breaker line 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 63 amps, and is available in 1,2 or 3 poles, with B, C and 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
Specifications
| Manufacturer | WEG |
|---|---|
| Catalog Number | |
| Approval | UL1077 |
| Trip Curve | B 4xIn (+/-20%) Magnetic Trip Current Calibrated for resistive or non/low inductive loads Applications: Lighting, Control Circuits |
| Number of Poles | 2 |
| Current Rating | Amps |
| UPC | |
| Country of Origin | Brazil |
Technical Data
Mechanical Ratings:
| Mounting Position | Vertical Horizontal |
|---|---|
| Torque | 2 Nm Max 1.48 ft-lbs Max |
| Cable Cross Section | 35mm sq Max 2AWG Max |
| Ambient Temperature | -35°C to +70°C |
| Mass | 116 grams/pole |
| Protection Class | IP20 |
| Mechanical Operations | 10,000 |
| Vibration (sinusoidal) | +/-0.38mm (10-57Hz), 5g |
| Test to IEC 60060-2-6 | 57-500Hz |
| Test to Fc | 10 frequency cycles per axis |
| Shock Test to IEC60068-2-27 | 30g (11ms), Test Ea |
| Corrosion Test to IEC60068-2-11 | 96hrs in 5% Salt Mist, Tesk Ka |
| Humidity Test to IEC60068-2-78 | 48hrs at 95% RH, Temp +40°C, Test Cab |
| Terminals | Screw with Bus Bar Connections |
About
About UMBW Line
The UMBW has a range from 1 to 63 Amps, available in 1,2, 3 poles, and B, C, D trip curves. Single pole and multi-pole thermal-magnetic miniature circuit breakers (MCBs) are in accordance with EN 60947-2, UL 1077 and UL 489 for DIN rail mounting with toggle actuation, visual status indication, and high interrupt capacity. A positively trip-free snap action mechanism ensures reliable switching behavior. A range of trip characteristics and add-on accessories make the UMBW suitable for a variety of applications.
Standard Features
- AC and 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.
Product title
Vendor
$19.99 USD | $24.99 USD
Product title
Vendor
$19.99 USD | $24.99 USD
Product title
Vendor
$19.99 USD | $24.99 USD
Product title
Vendor