Adams Rite 7140-340-628 Electric Strike 12VAC Fail Secure, Square Corner, 1-1/4in x 4-7/8in, Anodized

Adams Rite Manufacturing 7140-340-628 Electric Strike offers robust access control with its fail-secure functionality, ensuring that the door remains locked when unpowered. This electric strike is designed for Adams Rite deadlatches and cylindrical locksets featuring a latchbolt projection of 1/2" to 5/8", making it a versatile solution for both hollow metal and wood doors. Its compact design fits seamlessly into aluminum jambs as shallow as 1-5/8", allowing for simple installation. Constructed from zinc aluminum alloy, the strike's case measures approximately 1" x 3-3/8" x 1-5/8" deep. The 1-1/4" x 4-7/8" square-corner faceplate is available in a clear anodized finish (628/US28), enhancing its aesthetic appeal while maintaining durability. The strike has a stainless steel bolt retainer jaw and accepts bolts from any compatible Adams Rite deadlatch, ensuring smooth operation. With an electrical voltage option of 12VAC, the strike provides intermittent operation, characterized by a distinct buzz during activation. Field conversion allows for easy switching between fail-safe and fail-secure modes. Whether you are upgrading existing hardware or installing new systems, the Adams Rite 7140-340-628 is a dependable choice for maintaining security and control in your facility.

Electric Strike 12VAC Intermittent Fail Secure (FSE), (Field Reversible to FS), Square Corner (SC), 1-1/4in x 4-7/8in Faceplate, 628/US28 Aluminum Clear Anodized

7140 Electric Strikes with 4-7/8" Faceplates are designed for Adams Rite deadlatches or cylindrical locksets with 1/2" to 5/8" latchbolt projection. For use in hollow metal or wood doors and jambs. Remote electrical control of any door equipped with an Adams Rite 4500, 4700, or 4900 Series (or similar) Deadlatch or cylindrical (key-in-knob/lever) type locksets with 1/2" to 5/8" latchbolt projection. Electrical actuation unlocks strike jaw, releasing latchbolt so door can be opened without operating latch itself. Extremely compact mechanism fits into aluminum jamb sections as shallow as 1-5/8". Fits existing prep for discontinued Adams Rite 7040, 7840N, 7850 Electric Strikes.

Specifications:

• Fail-Safe/Fail-Secure: Field convertible from one mode to the other. However, AC intermittent solenoid must not be used continuously in either.
• Case: Approximately 1" x 3-3/8" x 1-5/8" deep. Zinc aluminum alloy.
• Strike Lip: Basic 7140 strike has lip of proper length for 1-3/4" thick door that closes flush with jamb edge. Where door thickness or jamb shape differs from this standard relationship, lip extension kits are available, specified by last dash number.
• Strike Opening: 5/8" x 1-7/16" x 1/2" deep. Bolt retainer jaw is stainless steel. Strike accepts bolt of any Adams Rite 4500, 4700 (discontinued), or 4900 Deadlatch or cylindrical latches.
• Faceplate: Measures 1-1/4 x 4-7/8" Faceplate is flat, with square corners. Available in a wide range of architectural finishes.
• Voltage: Available in 12 or 24 volt AC and DC. DC continuous units are silent, AC intermittent units "buzz" on operation.

Series Options:

• Choice of mounting in AC and DC for intermittent or continuous duty. 7140 Electric Strike (flat faceplate) available with extended strike lip. Specify assembled for either fail-secure (locked when unpowered) or fail-safe (locked when powered) operation, but can be field converted to the other mode.
• 4603 Rectifier: converts AC to DC, installs in low voltage line between transformer and strike. Rated 2 amps (200 PIV)
• 4605 Transformer: converts 120VAC to 12/24 VAC. Rated 40 Volt-amp output assures plenty of power for strike release. Patented mounting bracket fits in knockout hole of standard junction boxes.
• 4606 Transformer: Plug-in version for standard wall outlet.

Finishes:

• 313 - Dark Bronze Anodized (Similar to 613 - 10B - US10B)
• 335 - Black Anodized
• 626 - Satin Chrome (US26D - 26D)
• 628 - Clear Anodized (US28)

Features

• Strike Lip: Basic 7140 strike has lip of proper length for 1-3/4" thick door that closes flush with jamb edge. Where door thickness or jamb shape differs from this standard relationship, lip extension kits are available, specified by last dash number.
• Strike Opening: 5/8" x 1-7/16" x 1/2" deep. Bolt retainer jaw is stainless steel. Strike accepts bolt of any Adams Rite 4500, 4700 (discontinued), or 4900 Deadlatch or cylindrical latches.
• Case: Approximately 1" x 3-3/8" x 1-5/8" deep. Zinc aluminum alloy.
• Voltage: Available in 12 or 24 volt AC and DC. DC continuous units are silent, AC intermittent units "buzz" on operation.
• Fail-Safe/Fail-Secure: Field convertible from one mode to the other. However, AC intermittent solenoid must not be used continuously in either.
• Faceplate: Measures 1-1/4 x 4-7/8" Faceplate is flat, with square corners. Available in a wide range of architectural finishes.

Resources

• Cut Sheet