Altech is...

a leader in industrial control, instrumentation, medical and automation applications.  Altech's products include switches, enclosures, power supplies, light towers, circuit breakers, and more.  Their products are used in manufacturing automation, material handling, packaging, food processing, pharmaceutical, Telecom/IT, construction, HVAC, and other industries.

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1B6UR
1B6UR, 6A, MCB, B CHAR; 1 POLE, 277VAC, UL1077
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1B6UM
1B6UM, 6A, CIRCUIT BREAKER; B CHAR, 1 POLE, 277VAC, UL508
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1B63UR
1B63UR, 63A, MCB, B CHAR; 1 POLE, 277VAC, UL1077
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1B63UM
1B63UM, 63A, CIRCUIT BREAKER; B CHAR, 1POLE, 277VAC
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1B60UR
1B60UR, 60A, MCB, B CHAR; 1 POLE, 277VAC, UL1077
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1B60UM
1B60UM, 60A, CIRCUIT BREAKER; B CHAR, 1POLE, 277VAC, UL508
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1B5UR
1B5UR, 5A, MCB, B CHAR; 1 POLE, 277VAC, UL1077
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1B5UM
1B5UM, 5A, CIRCUIT BREAKER; B CHAR, 1 POLE, 277VAC, UL508
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1B50UR
1B50UR, 50A, MCB, B CHAR; 1 POLE, 277VAC, UL1077
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1B50UM
1B50UM, 50A, CIRCUIT BREAKER; B CHAR, 1POLE, 277VAC, UL508
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1B4UR
1B4UR, 4A, MCB, B CHAR; 1 POLE, 277VAC, UL1077
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1B4UM
1B4UM, 4A, CIRCUIT BREAKER; B CHAR, 1 POLE, 277VAC, UL508
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1B40UR
1B40UR, 40A, MCB, B CHAR; 1 POLE, 277VAC, UL1077
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1B40UM
1B40UM, 40A, CIRCUIT BREAKER; B CHAR, 1POLE, 277VAC, UL508
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1B3UR
1B3UR, 3A, MCB, B CHAR; 1 POLE, 277VAC, UL1077
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1B3UM
1B3UM, 3A, CIRCUIT BREAKER; B CHAR, 1 POLE, 277VAC, UL508
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1B32UR
1B32UR, 32A, MCB, B CHAR; 1 POLE, 277VAC, UL1077
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1B32UM
1B32UM, 32A, CIRCUIT BREAKER; B CHAR, 1POLE, 277VAC, UL508
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1B30UR
1B30UR, 30A, MCB, B CHAR; 1 POLE, 277VAC, UL1077
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1B30UM
1B30UM, 30A, CIRCUIT BREAKER; B CHAR, 1POLE, 277VAC, UL508
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