D4C-1202 Omron, D4C-1202 Datasheet - Page 29

• Manufacturer Part Number: D4C-1202
• Description: SMALL LIMIT SWITCH
• Manufacturer: Omron
• Series: D4Cr

Specifications of D4C-1202

• Rohs Compliant: YES
• Circuit: SPDT
• Switch Function: On-Mom
• Contact Rating @ Voltage: 5A @ 250VAC
• Actuator Type: Roller Plunger
• Mounting Type: Chassis Mount
• Termination Style: Cable Leads
• Operating Force: 1177gf
• Actuator Style: Roller Plunger
• Operating Force Max: 11.77N
• Contact Voltage Ac Max: 250V
• Contact Voltage Dc Max: 30V
• Contact Current Ac Max: 5A
• Contact Current Dc Max: 4A
• Switch Terminals: Cable
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: D4C1202

• The distance between the reference line and the bottom of the dog
Dog Surface
• The surface of dog touching the actuator should be 6.3 S in quality
• For smooth operation of the actuator, apply molybdenum disulfide
Maintenance and Repairs
• The user of the system must not attempt to perform maintenance
Other
• The standard material for the switch seal is nitrile rubber (NBR),
• The correct Switch must be selected for the load to ensure contact
• When using a Limit Switch with a long lever or long rod lever, make
• Wire the leads as shown in the following diagram.
Correct Wiring
Incorrect Wiring
24
based on the optimum stroke is expressed by the following formula.
and a hardness of approximately HV450.
grease to the actuator and the dog touching the actuator. This is
ideal for Limit Switches of drip-proof construction and Multiple Limit
Switches.
and repairs. Contact the manufacturer of the system concerning
maintenance and repairs.
which has superior resistance to oil. Depending on the type of oil or
chemicals in the application environment, however, NBR may dete-
riorate, e.g., swell or shrink. Confirm performance in advance.
reliability. Refer to precautions for micro loads in individual product
information for details.
sure that the lever is in the downward direction.
a: Distance between reference line and actuator fulcrum
b: R cosθ
r: Roller radius
Y: Distance between reference line and bottom of dog
Precautions for All Switches
Dog
Crimp terminal
Crimp terminal
Terminal
Terminal
screw
Crimped location
facing down
Terminal
screw
Terminal
Crimped location
facing up
Reference line
Too close to maintain
dielectric strength
Lead
Lead
Terminal
screw
Terminal
screw
Terminal
Terminal
Mounting hole
Incorrect
Correct
Y