English
Suffix code
| * HY-SQ5/305/255 series Suffix code |
| Model | Code | Description | |||||
| Appearance |  |
|
|
|
|
|
Cam switch |
| HY-SQ5 | Square type cam switch | ||||||
| HY-255 | Ø25 type cam switch | ||||||
| HY-305 | Ø30 type cam switch | ||||||
| Contact type | S | Square type (standard type) | |||||
| C | Round type (for HY-SQ5) | ||||||
| Handle type | H | Standard type (standard industrial machine) | |||||
| R | Switch-board type (A/S, V/S) | ||||||
| P | Control switch type (C/S) | ||||||
| Positions selection | 2 | 2 positions selection | |||||
| 3 | 3 positions selection | ||||||
| 4 | 4 positions selection | ||||||
| 5 | 5 positions selection | ||||||
| 6 | 6 positions selection | ||||||
| Number of contact unit (number of rows) | 1 | 1 row | |||||
| 2 | 2 row | ||||||
| 3 | 3 row | ||||||
| 4 | 4 row | ||||||
| 5 | 5 row | ||||||
| 6 | 6 row | ||||||
| Serial number (contact formation diagram) | 01 | Label the serial number of contact formation diagram in case of order-made product |
|||||
| 02 | |||||||
| ※ A/S : ammeter converting switch, V/S : voltmeter converting switch |
| ※ Possible to manufacture 20A, 250V product only within the square type contact structure |
| * HY-MRK Suffix code |
| Model | Code | Description | |||
| HY-MRK | |
|
|
|
KEY-CAM SWITCH |
| Contact formation | Labeled the serial number (Refer to the standard circuit diagram) | ||||
· Specification
| Model | Square type | 255,305 type | Handle control type |
Circle type | Square key type |
| Appearance |  |
 |
 |
 |
 |
| * Contact rating |
| Rated insulation voltage | 600 V | |
| Rated electro current | 10 A | |
| Contact structure | Double block slow-make 1 position 2 contacts, max line forming: 6 rows (auto-return: up to 3 positions) |
|
| Operation type | Each position stopping type | Spring return type |
| Angle selection | 30˚, 45˚, 60˚, 90˚ | 45˚ |
| Position selection | 2 Positions ~ 12 Positions | Positions ~ 4 Positions |
| Insulation resistance | 100 MΩ (500 V d.c) | |
| Dielectric strength | 2500 V a.c, for 1min | |
| Mechanical life expectancy | 500 thousand times | |
| Electrical life expectancy | 100 thousand times | |
| Ambient temperature | -20 ~ 50 ˚C | |
| Ambient humidity | – | |
| Protective structure | 305, 255 (Round type) : IP 65 | SQ5 (Square type) : IP 40 |
| * Materials of each part |
| Classification | Materials |
| Body | Thermal resistance Polycarbonate (PC) |
| CAM | ACETAL |
| Contact | Ag + Ni |
| Terminal | BRASS |
| Bolt | SWRM |
| Spring | STANLESS STEEL |
| HANDLE | PHENOL RESIN |
| * HY-MRK (Square key) Specification |
| Model | HY-MRK |
| Appearance | |
| Rated electro current | 20 A 250 V |
| Insulation resistance | 100 MΩ (500 V d.c) |
| Dielectric strength | 2500 V a.c, For 1min |
| Vibration resistance | Oscillation frequency 16.7 ㎐ (double amplitude 3 ㎜) |
| Shock resistance | 500 ㎨ (approx. 50 g) |
| Opening/closing frequency | 600 times / hour (temporal use) |
| Mechanical life expectancy | Above 500 thousand times |
| Electrical life expectancy | Above 200 thousand times |
| Ambient temperature | -20 ~ 50 ˚C |
| Ambient humidity | 45 ~ 85 % R.H. |
| Material | Front side : AL Die casting, contact part : RESIN |
