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Allen Bradley Bulletin 195 195-MA11

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195-MA11

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The 195-MA11 contact block from Allen Bradley’s Bulletin 195 series is designed for use in motor starter and contactor control systems. This component features a contact configuration of one normally open (NO) and one normally closed (NC), providing flexible application opportunities across various setups.

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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 195-MA11

ManufacturerAllen Bradley
Product TypeContact Block
Product LineBulletin 195
Part Number195-MA11
Weight0.19 lbs (0.09 kg)
Application TypeAuxiliary contact block for motor starter/contactor control systems
Contact Configuration1 NO & 1 NC
Rated Operational Current (AC-1)10 A at 500 V AC
Rated Operational Voltage600 V AC max
Maximum Wire Size14 AWG (solid/stranded)
Minimum Wire Size18 AWG
Terminal Screw Torque7-15 lb-in
Tested Insulation Voltage (Ui)1000 V AC (typical for block)
Impulse Withstand Voltage (Uimp)6 kV
Series Compatibility195 contactor line
Standards / ApprovalsIEC 60947-5-1 / UL 508
EnvironmentIndustrial (no corrosive gases)
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The Allen Bradley 195-MA11 is a contact block that serves as an auxiliary unit for motor starter and contactor control systems. It provides essential functionality with its configuration of 1 NO and 1 NC contact. The operational parameters include a rated current capacity of 10 A at 500 volts AC, ensuring it's suitable for substantial electrical loads in various applications.

Specifically, this contact block can endure an operational voltage of up to 600 V AC. Wiring requirements are minimal, with compatibility for solid or stranded wires sized between 18 AWG and a maximum of 14 AWG. Installation is simplified due to the specified terminal screw torque ranging from 7 to 15 lb-in, helping to ensure strong, reliable connections.

The 195-MA11 contact block demonstrates excellent insulation characteristics, having a tested insulation voltage rated at 1000 V AC. In terms of durability against surges, it withstands impulse voltages of 6 kV, which is especially critical in environments prone to electrical transients. This device is fully compatible with the 195 contactor line, allowing for straightforward integration or replacement with existing systems. Compliance with international standards such as IEC 60947-5-1 and UL 508 indicates its readiness for industrial applications where non-corrosive gas environments prevail.