C4N-NR Series
C4N-4311NR
Top plunger type
Degree of protection
IP67
Contact form
1NC/1NO Slow-action
Head structure
Top plunger type
Overtravel OT (Length)
3.2mm
Total travel TT (Length)
6mm
Features of the C4N-NR Series
■ Forced open action device (NC contacts only), to disconnect the contact when the contact has fusing and other failures
■ Strengthened top seal structure improves the sealing performance
■ Built-in contact has slow-action: 1NC/1NO and 2NC
Selection Guide——Click to View
Various model combinations available. Click for the selection chart to find your exact specs.
General Parameters
| Operating speed | 1 mm-0.5 m/s |
| Operating frequency | Electrical: 30 times/min |
| Contact resistance | 25 mΩ max. Initial value |
| Insulation resistance | 100 MΩ min. (at 500VDCmax.) |
| Minimum applicable load | DC 24 V 10 mA or more |
| Rated insulation voltage UI | 500 V |
| Rated impulse withstand voltage Uimp | 380 V (EN60947-5-1) |
| Conventional free air thermal current Ith | 10 A |
| Vibration | 10to 55 Hz,0.75 mm Single amplitude |
| Shock | Mechanical durability: 1,000 m/sec approx.100G’SMalfunction durability: 300 m/Secapprox.30G’S)*1 |
| Pollution degree (environmental conditions) | Pollution degree 3 (EN 60947-5-1) |
| Electric shock protection grade | ClassIIDouble insulation |
| Ambient temperature | Operating:-20~+70 °C No icing |
| Humidity | 95%RHmax. |
| Electrical durability | 500000 times or more 250 V/3Aresistive load |
| Degree of protection | IP67 |
| Contact gap | Min.2×0.5 mm Snap-action Min.2×2 mm Slow-action |
| AC-15 Safety specification certified rating | 3 A/240 V |
| DC-13 Safety specification certified rating | 0.3 A/220 V |
| CCC certification specification | GB/T14048.5 |
| TUV certification specification | EN 60947-5-1 |
| CE certification specification | EN 60947-5-1 |
Specification
C4N-4304NR
Roller lever type (Metal lever, resin roller)
1NC/1NO Slow-action
only NC has forced opening
Roller lever type (Metal lever,resin roller)
M20 (1 Conduit type)
35°
-
80°
-
35°
-
20N
8N
50°±5°
-
25°±5°
-
40°±5°
-
C4N-4304HNR
Roller lever type (Metal lever, rubber roller)
1NC/1NO Slow-action
only NC has forced opening
Roller lever type (Metal lever,rubber roller)
M20 (1 Conduit type)
35°
-
80°
-
35°
-
20N
8N
50°±5°
-
25°±5°
-
40°±5°
-
C4N-4305NR
Roller lever type (Metal lever, metal roller)
1NC/1NO Slow-action
only NC has forced opening
Roller lever type (Metal lever,metal roller)
M20 (1 Conduit type)
35°
-
80°
-
35°
-
20N
8N
50°±5°
-
25°±5°
-
40°±5°
-
C4N-4307NR
Adjustable rod lever type
1NC/1NO Slow-action
only NC has forced opening
Adjustable rod lever type
M20 (1 Conduit type)
35°
-
80°
-
35°
-
20N
8N
50°±5°
-
25°±5°
-
40°±5°
-
C4N-4308NR
Adjustable roller lever (Metal lever, resin roller)
1NC/1NO Slow-action
only NC has forced opening
Adjustable roller lever (Metal lever,resin roller)
M20 (1 Conduit type)
35°
-
80°
-
35°
-
20N
8N
50°±5°
-
25°±5°
-
40°±5°
-
C4N-4308HNR
Adjustable roller lever (Metal lever, rubber roller)
1NC/1NO Slow-action
only NC has forced opening
Adjustable roller lever (Metal lever,rubber roller)
M20 (1 Conduit type)
35°
-
80°
-
35°
-
20N
8N
50°±5°
-
25°±5°
-
40°±5°
-
C4N-4311NR
Top plunger type
1NC/1NO Slow-action
only NC has forced opening
Top plunger type
M20 (1 Conduit type)
-
3.2mm
-
6mm
-
2.5mm
20N
15N
-
3.5±0.3mm
-
1.7±0.3mm
-
2.5±0.3mm
C4N-4312NR
Top plunger horizontal roller (plastic roller) type
1NC/1NO Slow-action
only NC has forced opening
Top plunger horizontal roller (plastic roller) type
M20 (1 Conduit type)
-
3.2mm
-
6mm
-
2.5mm
20N
15N
-
3.5±0.3mm
-
1.7±0.3mm
-
2.5±0.3mm
C4N-4313NR
Top plunger vertical roller (plastic roller) type
1NC/1NO Slow-action
only NC has forced opening
Top plunger vertical roller (plastic roller) type
M20 (1 Conduit type)
-
3.2mm
-
6mm
-
2.5mm
20N
15N
-
3.5±0.3mm
-
1.7±0.3mm
-
2.5±0.3mm
C4N-4315NR
Single side cantilever roller type (horizontal)
1NC/1NO Slow-action
only NC has forced opening
Single side cantilever roller type (horizontal)
M20 (1 Conduit type)
-
4.3mm
-
8mm
-
3.2mm
20N
10N
-
4.7±0.5mm
-
2.2±0.5mm
-
3.2±0.5mm
C4N-4316NR
Single side cantilever roller type
1NC/1NO Slow-action
only NC has forced opening
Single side cantilever roller type
M20 (1 Conduit type)
-
5.5mm
-
10mm
-
4.5mm
20N
10N
-
6±0.5mm
-
3±0.5mm
-
4±0.5mm

