NTS Series Position Monitoring Switch
Features
- Rotary Indication: Designed as a rotary position indicator device, suitable for rotary valves (Ball valves, Butterfly valves, Plug valves, etc.) and NAMUR rotary pneumatic actuators.
- Easy Installation: Comes with a mounting bracket that complies with ISO5211, DIN3337, and VDI/VDE3845 standards. The NAMUR drive shaft allows direct mounting to all compliant actuators.
- Versatile Switch Options: Available with mechanical switches (general purpose), proximity switches, or inductive sensors to suit various applications (intrinsically safe, etc.).
General Specifications
| Item | Description | Remarks |
|---|---|---|
| Protection Class | Waterproof IP67 | D & F Series have Plastic Housing |
| Coating | Polyester Powder Coating | - |
| Ambient Temp. | -20 ~ 80°C | Low temp silicone seal optional |
| Electric Interface | 2 x 1/2" NPT (Standard) | Exd Explosion-proof Series: 2x3/4" NPT |
| Terminals | 8 Terminals | 4-Switch / DPDT models have 12 terminals |
| Position Indicator | 0 ~ 90° Dome Indicator | - |
| Mounting Bracket | Stainless Steel NAMUR Standard | D Series limit switches have integrated plastic bracket |
| Switch Type | 2 x SPDT Mechanical (Standard) | Proximity / Inductive optional |
Switch Types & Wiring
| Code | Type | Description |
|---|---|---|
| 10 | Mechanical (2xSPDT) | Standard Mechanical Switch. |
| 12 | Mechanical (4xSPDT) | 4 Switches. Not for A and D series housing. |
| 13 | Mechanical (2xDPDT) | Double Pole Double Throw. Not for A and D series housing. |
| 15 | Mechanical + Potentiometer | 2xSPDT + Potentiometer. Only for E series housing. |
| 16 | Position Transmitter | 2xSPDT + 4-20mA DC Output. Only for E series housing. |
| 21-P+F | Proximity (2-Wire) | NJ2-V3-N (Normally Open, ExiaIICT6 Intrinsically Safe). |
| 23-P+F | Proximity (3-Wire) | NBB2-V3-E2 (PNP or NPN). |
| 24 | Proximity (3-Wire) | PSN17-5DNU (PNP or NPN). |
| 27 | Magnetic Proximity | 2 x SPDT, 0.5A @ 240VAC. |
| 30 | Magnetic Inductive | 2 x SPSP, 0.3A @ 250VAC. Only for F series housing. |
Ordering Code
NTS - A - 10
| No. | Item | Code Description |
|---|---|---|
| ① | Series | NTS: Limit Switch Box |
| ② |
Housing Type (Protection) |
A: Die-cast Aluminum, Waterproof IP67 C: Die-cast Aluminum, Waterproof IP67 E: Die-cast Aluminum, Explosion-proof EExdIIBT6 ES: SS316 Stainless Steel, Explosion-proof EExdIIBT6 H: Die-cast Aluminum, Explosion-proof EExdIIBT6 D: ABS Plastic, Waterproof IP67 F: ABS Plastic, Waterproof IP67 |
| ③ | Switch Type |
10: 2 x SPDT Mechanical (Standard) 12: 4 x SPDT Mechanical 13: 2 x DPDT Mechanical 21: P+F NJ2-V3-N (2-Wire Proximity) 23: P+F NBB2-V3-E2 (3-Wire Proximity) 27: Magnetic Proximity (See "Wiring & Switch Types" tab for full list and compatibility) |
