Magnetic Contact Switches
Model: 40-656 - Normally Closed
Model: 40-657 - Normally Open

Versatile, used in many alarms sensing for window and door protection. Specify either normally open or normally closed. Mounting center 2 1/8" 130V max. 50 mA or 10 watts. Up to .5 Amp max.

Surface Mount Contacts
Model: 40-750 - Normally Closed
Model: 40-751 - Normally Open

Includes terminal cover. 3/4" operating gap. Available in white only. Rated 100mA, 100Vdc max.

Wide Gap Surface Mount Contact
Model: 40-752

Used for loose fitting doors and windows. 2 3/4" operating gap. Includes spacers. Normally closed with magnet in place. Color is gray. Rated 100 mA, 100Vdc Max.

Self-Adhesive Contacts
Model: 40-665 - Closed Circuit w/magnet in place
Model: 40-666 - Open Circuit w/magnet in place

Alarm switches for window and door protection with 12' wire leads. 1 1/2"  length, 3/8" wide. 0.5 amp - 10Vdc max., 10 watts max. Self-adhesive and screw mount.

White Surface Mount Contact
Model: 40-753 - Closed Circuit w/magnet in place

15" prewired leads.  Foam tape mounting. Closed circuit with magnet in place. Available in white only.

Recessed Magnet Switch
Model: 40-660 - Normally Closed (white wire) .75" Gap (with magnet in place)
Model: 40-660 - Normally Open (green wire) .5" Gap (with magnet in place)

Complete concealment, positive action, easy to install, recesses into 3/8" hole. 0.5 Amp - 125V. Rated 130 Vdc - 30mA. Contact length is 1.19". Wire length is 11".

Flush Mount Contact
Model: 40-659 - SPST Normally Closed (with magnet in place).

Circuit opens when magnet is removed. Recesses into 1?4" hole. Alnico magnet. 15" leads. Rating 100mA - 100Vdc, 1 Amp - 10Vdc, 10 watts max. No mounting bracket included.

Stubby Recessed Contact
Model: 40-756

5/8" long switch for tight installations. Normally closed with magnet in place. Available in off white only. 3/8" operating gap. Rating 100mA - 100 Vdc max, 1 amp - 10Vdc. Contact length is .78". Wire length is 17".

3/8" Recessed Contact
Model: 40-755

Switch / magnet case with ribs for securing in holes, 1" operating gap. Closed circuit with magnet in place. Available in white only. Rating 100mA - 100 Vdc, 1 Amp 10 Vdc. Contact length is 1.32". Wire length is 15"

Water Sensing Contact Switch
Model: 40-655

Operates as a normal contact switch in an alarm system. When is senses water (or any conductive liquid) it acts as a magnet contact. Normally Open Contact.

Mercury Motion Sensing Switch
Model: 40-759

Switch cycle: 100,000 at 12 Vdc, 3 Amps. 15°  switch gradient. 2" (L) x 3/8" (W) x 3/8" (H). 15" leads. 1.57" mounting centers. Brown color.

Magnetic Floor Switch
Model: 40-668

Extra wide gap. Magnetic contacts embedded in solid aluminum block. Switch wires protected in a flexible steel jacket. Size: 5/8" x 1/4" x 3 1/2". Normally closed with magnet in place. 2 1/2" operating distance. Alnico magnet. UL approved. Rating 100mA - 100Vdc max, 1 Amp - 10 Vdc max., 10 watts max.

Overhead Door Contact
Model: 40-658

Heavy duty, wide gap, 24" wire leads enclosed in stainless steel cable. Closed circuit with magnet in place. 1 Amp - 125V, 130 Vdc - 50mA contact rating. Contact size is 3.47" long x 1.27" wide. Wire length is 17"

Recessed Plunger Switch
Model: 40-757

Normally closed switch (ivory) with slotted screw terminals and mounting hardware. Mounts in a 3/4" hole. Button protrudes 5/16" , button diameter is 3/8". Mounting centers 1 1/4". Plastic body construction. Current rating .74 Amps @ 125Vac

Vibration Switch
Model: 40-664

Shock switch for protection of window glass, walls, showcase, etc. Normally closed circuit. Size: 2 3/8" (L) x 7/8" (W) x 9/16" (H). Contact rating .5 Amp at 25 Vdc max.

Recessed Plunger Switch
Model: 40-667

Positive action, easy to install, tapered body for tight fit, mounts in 3/8" hole. Normally closed circuit. Adjustable plunger.

Ball Plunger
Model: 40-670 - Normally Closed
Model: 40-671 - Normally Open and Normally Closed (both with ball depressed.)

Completely environmental proof for window, door protection, etc. Mounts in 3/4" hole. Mounting centers 1 3/16". 15" leads. Rating 100mA- 100 Vdc max., 1 Amp - 10 Vdc max., 10 watts max.

Tamper Switch
Model: 40-654

SPST momentary contact. Use in conjunction with most security devices. Normally closed (with plunger depressed). Contact rating .5 Amp- 50 Vdc. Size is 1.84" long x 1.09" wide.

Hold-Up Unit
Model: 40-652

Double button operation virtually eliminates accidental triggering. Sturdy metal case, silver plated SPST contacts. Prewired for quick installation. Color beige, contacts rated for 1 Amp @ 25 Vdc. Size is 1.99" (W) x .99" (H) x 1.74" (D)

Surface Mount Toggle Switch
Model: 40-758

SPST toggle switch mounted in a white impact housing. Mounting centers 2.125". Overall height 2", 6" black flying leads, stripped. Chrome switch position ID label ON/OFF. Current rating 3 Amps @ 125 Vac, 50Vdc.

Emergency Panic Switch
Model: 40-650 - Normally Open
Model: 40-650A - Normally Closed

3" long, 7/8" wide, 2 5/8" mounting centers. Screw terminals on the rear of switch for connection.

Plastic Nylon Holder
Model: 40-673

Used for recessed mounting of contacts and magnets on steel doors. Holds magnet or contact in place away from frame. For use with 40-659 contact magnet. Hole size 3/4". Color is gray.

Aluminum Z-Bracket
Model: 40-672

Needed for extending magnet greater distances when uneven surfaces exist. Used for 40-750, 751, 752,. Over-all length is 8". Long tongue is 5.75" and short tongue is 2.5".

SPST Double Sided Key Switch
Model: 40-667

Sometimes called a shunt lock. Complete with 2 keys and mounting hardware. Hook up using screw terminals. Used with most alarm equipment and with all Calrad Alarm Modules. 125 Vac, 4 Amp. 250 Vac, 2A. Mounts in 1.8" deep hole. Bushing length to connectors 1.8", Mounts in .75" hole.

Round High Security Key Lock Switches
Model: 40-682 - SPST Momentary, Spring Return
Model: 40-683 - SPST Shunt On/Off

Mounts in 3/4" hole. 1 11/16" deep. 3 Amp - 125V. Solder Terminals.

3/8" Stubby Recessed Contact with Screw Terminals
Model: 40-768

5/8" long switch for tight installations with short mounting areas. Switch / magnet case with ribs for securing in holes, 51/16" operating gap. Closed circuit with magnet in place. Available in white only. 100 mA - 100 Vdc max., 1 Amp 10Vdc. Contact length is .78".

3/8" Recessed Contact with Screw Terminals
Model: 40-769

Switch / magnet case with ribs for securing in holes, 5/8" operating gap. Closed circuit with magnet in place. Available in white only. 100 mA - 100 Vdc max., 1 Amp - 10 Vdc. Contact length is 1.32".