C4B-4115N
CNTD Electric Technology Co., Ltd. is one of the toppest C4B-4115N in China.During these years of exporting , CNTD Electric Technology Co., Ltd. now has rich experience in the worldwide markets
  • Features
  • Specifications
Features
1.Forced open action device (NC contacts only), to disconnect the contact
2.when the contact has fusing and other failures
Strengthened top seal structure improves the sealing performance
3.Built-in contact holder has fast-action type: 1NC / 1NO; Slow-action:
1NC / 1NO and 2NC
Appearance and Dimension
Model Number Structure

Item

Code

Description

① Conduit / connector size

1

Pg13.5 (1 conduit type)

4

M20 (1 conduit type)

② Built-in switch

1

1NC/1NO (quick-action type)

5

1NC/1NO (slow-action type)

A

2NC (slow-action type)

③Head and driving rod

11

Roller lever (resin lever, resin ball)

12

Adjustable roller lever, Form-Lock (metal lever, metal ball)

15

Roller lever (metal ball)

16

Adjustable roller lever, Form-Lock (resin ball)

17

Adjustable stick lever, Form-Lock (long lever)

18

Adjustable roller lever, Form Lock (metal lever, rubber ball)

70

Top ball plunger type

71

Ball plunger type

72

Ball plunger type

81

Coil spring type

87

Plastic stick type

86

Metal stick type


Ratings


Rated voltage (V)

Non-inductive load (A)

Inductive load (A)

Resistive load

Lamp load

Inductive load

Motor load

NC

NO

NC

NO

NC

NO

NC

NO

AC

125

10

3

1.5

10

5

2.5

250

10

2

1

10

3

1.5

400

10

1.5

0.8

3

1.5

0.8

DC

8

10

6

3

10

6

14

10

6

3

10

6

30

6

4

3

6

4

125

0.8

0.2

0.2

0.8

0.2

250

0.4

0.1

0.1

0.4

0.1

NOTE: The default size of conduit connector is M20x1.5.
Note1.The above values represent constant current.
2.The so-called inductive load refers to the load with power factor of 0.4 or more (AC) and the time constant below 7ms (DC).
3.The so-called lamp load refers to the load with 10 times of surge current. 4.The so-called motor load is the load with 6 times of surge current.

Contact form

Operating Characteristic


Model
Action characteristics


C4B-
□□ 11N

C4B-
□□ 15N

C4B-
□□ 16N *1

C4B-
□□ 17N *2

C4B-
□□ 18N *2

C4B-
□□ 70N

C4B-
□□ 71N

C4B-
□□ 81N

C4B-
□□ 86N

C4B-
□□ 87N

Action force

OF

Max.

9.41N

9.41N

9.41N

2.12N

9.41N

18.63N

18.63N

1.47N

1.47N

1.47N

Restore force

RF

Min.

1.47N

1.47N

1.47N

0.29N

1.47N

1.96N

1.96N

Pretravel

PT

21°±3°

21°±3°

21°±3°

21°±3°

21°±3°

2mm

2mm

15

15

15

PT

(2nd) *3 *5

(45° )

(45° )

(45° )

(45° )

(45° )

(3mm)

(3mm)

Overtravel

OT

Min.

50°

50°

50°

50°

50°

5mm

5mm

Poor response travel

MD

Max. *4

12°

12°

12°

12°

12°

1mm

1mm

Forced disconnected pretravel

DOT


Min. *3*6
*4*6


35°

35°

35°

35°

35°

3.2mm

3.2mm

55°

55°

55°

55°

55°

Forced disconnected force

DOF

Min. *6

19.61N

19.61N

19.61N

19.61N

19.61N

49.03N

49.03N

Total travel

TT

*5

(75°)

(75°)

(75°)

(75° )

(75° )

(7mm)

(7mm)

Free position

FP

Max.

38mm

51mm

Action position

OP

35±1mm

48±1mm

Note The simultaneity of ON / OFF operation of 2NC contacts have difference, please make sure before using it.
*1. The property value when length of lever is 31.5mm.
*2. The property value when length of lever is 140mm.
*3. Only for slow-action type.
*4. Only for quick-action type.
*5. Reference values.
*6. Please make sure in order to ensure the safe use.

Protection level

IP66

Life

Electrical

More than 500,000 times

Operating speed

1mm~0.5m/s

Operating frequency

Mechanical

120 次 /min 120 times/min

Electrical

30 次 /min 30 times/min

Rated frequency

50/60Hz

Insulation resistance

100MΩ or more (DC500V Megameter) between homopolars, and between terminals and uncharged metal parts

Contact resistance

5mΩ or less (initial value)

Withstand voltage (EN60947-5-1)

Between homopolar terminals: 2.5kV(quick-action type)/4kV(slow-action type)

Between heteropolar terminals: 2.5kV(slow-action type)

Between charged metal parts: 4kV

Between terminals and uncharged metal parts: 6kV

Rated insulation voltage (Ui)

600V(EN60947-5-1)

Reverse voltage when on/off

1500V max (EN60947-5-1)

Pollution degree (environmental conditions)

Pollution degree 3 (EN60947-5-1)

Electric shock protection grade

Class I (with ground terminal)

Vibration

Malfunction

10 ~ 55Hz 0.75mm single amplitude

Impact

Duration

1,000m/s2

Malfunction

300m/s2

Ambient temperature

Using:-20~+80℃(With no icing)

Ambient humidity

Less than 95% RH

Weight

About 250g

Note 1. The above are initial values.
Note 2. Values of some models may be different from the above, please contact us for details.
*1. The protection structure is tested based on method predetermined by standard (EN69047-5-1), please confirm the sealing in advance according to the operating environment and
conditions.
*2. The conditions of life are the values under the ambient temperature of 5~35℃ and humidity of 40 to 70% RH. For other detailed conditions, please contact us.
Forced Disconnecting Mechanism
  • 1NC and 1NO contacts (quick-action type)
  • 1NC and 1NO contacts (slow-action type)
  • 2NC contacts (slow-action type)
Products
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