D4C-1220-P

Ratings / Performance

Shape/Structure

General-purpose Limit switches

Service life

General type

Operating mechanism

Snap action

Actuator

Roller lever

Actuator

17.5 dia. * 7 Sintered stainless steel roller 38 R

Electrical ratings

5 A at 250 VAC

Electrical ratings

4 A at 30 VDC

Frequency

50/60 Hz

Switching mechanism

Self-reset mechanism

Contact configuration

Single-Pole, Double-Throw type

Contact form

SPDT

Load

General load

Ratings (AC): Non-Inductive load

Rated voltage: 125 VAC / Resistive load: 5 A(NC) 5 A(NO) / Lamp load: 1.5 A(NC) 0.7 A(NO)

Ratings (AC): Non-Inductive load

Rated voltage: 250 VAC / Resistive load: 5 A(NC) 5 A(NO) / Lamp load: 1 A(NC) 0.5 A(NO)

Ratings (AC): Inductive load

Rated voltage: 125 VAC / Inductive load: 3 A(NC) 3 A(NO) / Motor load: 2.5 A(NC) 1.3 A(NO)

Ratings (AC): Inductive load

Rated voltage: 250 VAC / Inductive load: 2 A(NC) 2 A(NO) / Motor load: 1.5 A(NC) 0.8 A(NO)

Ratings (DC): Non-Inductive load

Rated voltage: 8 VDC / Resistive load: 5 A(NC) 5 A(NO) / Lamp load: 2 A(NC) 2 A(NO)

Ratings (DC): Non-Inductive load

Rated voltage: 14 VDC / Resistive load: 5 A(NC) 5 A(NO) / Lamp load: 2 A(NC) 2 A(NO)

Ratings (DC): Non-Inductive load

Rated voltage: 30 VDC / Resistive load: 4 A(NC) 4 A(NO) / Lamp load: 2 A(NC) 2 A(NO)

Ratings (DC): Non-Inductive load

Rated voltage: 125 VDC / Resistive load: 0.4 A(NC) 0.4 A(NO) / Lamp load: 0.05 A(NC) 0.05 A(NO)

Ratings (DC): Non-Inductive load

Rated voltage: 250 VDC / Resistive load: 0.2 A(NC) 0.2 A(NO) / Lamp load: 0.03 A(NC) 0.03 A(NO)

Ratings (DC): Inductive load

Rated voltage: 8 VDC / Inductive load: 5 A(NC) 4 A(NO) / Motor load: 3 A(NC) 3 A(NO)

Ratings (DC): Inductive load

Rated voltage: 14 VDC / Inductive load: 4 A(NC) 4 A(NO) / Motor load: 3 A(NC) 3 A(NO)

Ratings (DC): Inductive load

Rated voltage: 30 VDC / Inductive load: 3 A(NC) 3 A(NO) / Motor load: 3 A(NC) 3 A(NO)

Ratings (DC): Inductive load

Rated voltage: 125 VDC / Inductive load: 0.4 A(NC) 0.4 A(NO) / Motor load: 0.05 A(NC) 0.05 A(NO)

Ratings (DC): Inductive load

Rated voltage: 250 VDC / Inductive load: 0.2 A(NC) 0.2 A(NO) / Motor load: 0.03 A(NC) 0.03 A(NO)

Inrush current

NC: 20 A

Inrush current

NO: 10 A

Cable specifications

VCTF oil-resistant cable 4 cores (Cable length: 3 m)

Cable specifications

Diameter: 7.6 mm

Ambient temperature

Operating: -20 to 70 °C

Ambient humidity

Operating: 35 to 95%

Permissible operating speed

1 mm/s to m/s

Permissible operating frequency (Mechanically)

120 operations / 1 minute Max.

Permissible operating frequency (Electrically)

30 operations / 1 minute Max.

Contact resistance

300 mOhm Max. (Initial value) * Including the resistance of cable.

Contact resistance

(Measuring method is contact resistance meter.)

Insulation resistance

Between each terminal of the same polarities: 100 MΩ

Insulation resistance

Between live-metallic part and ground: 100 MΩ

Insulation resistance

Between each terminal and non-live-metallic part: 100 MΩ

Insulation resistance

(at 500 VDC Megger)

Dielectric strength

Between each terminal of the same polarities: 1000 V

Dielectric strength

Between live-metallic part and ground: 1500 V

Dielectric strength

Between each terminal and non-live-metallic part: 1500 V

Dielectric strength

(50/60 Hz for 1 min)

Durability (Mechanically)

500,000 operations Min. (No load)

Durability (Mechanically)

(Temperature, Humidity conditions: 5 CEL to 35 CEL, 40 %RH to 70 %RH)

Durability (Electrically)

500,000 operations Min. (Resistive load 1 A at 125 VAC)

Durability (Electrically)

(Temperature, Humidity conditions: 5 CEL to 35 CEL, 40 %RH to 70 %RH)

Vibration resistance (Malfunction)

Vibration frequency range: 10 to 55 Hz, Double amplitude: 1.5 mm, Contact opening: 1 ms Max. at the free position and the total travel position.

Shock resistance (Destruction)

1,000 m/s2

Shock resistance (Malfunction)

Contact opening is 1 ms Max. at the free position and the total travel position at 500 m/s2.

Degree of protection

Weather-proof type

Degree of protection

IEC60529 (JEM): IP67

Mounting specification

Front mounting

Operating Force (OF)

Standard value Max. 5.69 N

Release Force (RF)

Standard value Min. 1.47 N

Pre-Travel (PT)

Standard value 25 DEG Max.

Over-Travel (OT)

Standard value 40 DEG Min.

Movement Differential (MD)

Standard value 3 DEG Max.

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