Промышленный цифровой инфракрасный термометр
US $4.40-$4.60
Реле неисправности заземления MH DTL EF18 ANSI 50G/51G 50N/51N 86 с уникальной механической кнопкой
- Категория: Other Electrical Instruments >>>
- Поставщик: MUN,HEAN,SINGAPORE,PTE,LTD
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Описание и отзывы
Трекер стоимости
| Месяц | Минимальная цена | Макс. стоимость |
|---|---|---|
| Sep-16-2025 | 0.57 $* | 0.99 $* |
| Aug-16-2025 | 0.98 $* | 0.45 $* |
| Jul-16-2025 | 0.6 $* | 0.82 $* |
| Jun-16-2025 | 0.85 $* | 0.56 $* |
| May-16-2025 | 0.9 $* | 0.59 $* |
| Apr-16-2025 | 0.13 $* | 0.13 $* |
| Mar-16-2025 | 0.46 $* | 0.57 $* |
| Feb-16-2025 | 0.73 $* | 0.1 $* |
| Jan-16-2025 | 0.99 $* | 0.93 $* |
Характеристики
Products Description
The MH EF18 DTL Earth Fault Relay is a protective relay designed to detect earth fault. It is equipped with a unique fault indicative system which called MTB. This MTB is a Mechanical Trip Button that latched with output contact after relay operated. The MTB is designed in accordance with ANSI 86 lockup relay.
Highlights of EF18
- Comply to ANSI 50N/51N, 50G/51G, 86
- Unique fault indicative system in accordance with ANSI 86 Lockup Relay
- No requirement for auxiliary power supply for fault indicative system
- Safeguard against automatic reset before fault rectification
- Simple, compact and user friendly
- Fully type tested by accredited laboratory
Applications
Incoming feeder protection
Outgoing feeder protection
Busbar protection
Product Parameters
Characteristic | |||
Protection functions | ANSI 50N/51N, 50G/51G, 86 | ||
Power Supply | AC 230V±15% (other voltages available on request) | ||
Operating frequency | 50 / 60 Hz | ||
Power consumption | Approximately ≤ 2VA | ||
Rated input current | 5A (1A available upon request) | ||
Earth fault pickup setting | 0.1 to 2.0A | ||
Definite time delay setting | 0 to 1 sec (0 to 5 sec available upon request) | ||
Operating temperature range | -10 to 55°C | ||
Relative humidity | <93%, non-condensing | ||
Degree of protection | IP31 (front), IP20 (back) | ||
Overcurrent withstandability | 10 * I rated (for 1 sec) | ||
Output | Relay output | 1 x C/O (changeover), 1 x N/O (normally open) | |
Contact rating | 2A at 250VAC | ||
LED status indication | Normal operation, fault current detected | ||
Safety feature | Mechanical Trip Button (MTB) complying with ANSI 86 | ||
Housing material | ABS resin complying with UL94V0 | ||
Net weight | Approximately 300g | ||
Dimensions | 59mm (width) x 88mm (height) x 105mm (depth) | ||
Panel cut-out | 51mm (width) x 65mm (height) | ||
Standard compliance | IEC60255, CE Marking | ||
Connection Diagram
3P4W
3P3W
Company Profile
The Mun Hean Group
The Mun Hean group represents an extensive network throughout Asia providing technical solutions in industrial electrical as its core expertise. The group has offices in 10 regions; Singapore, Malaysia, Indonesia, Hong Kong, Philippines, Vietnam, Myanmar, Taiwan, Beijing and Shenzhen.
The core of Mun Hean’s business lies in industrial electrical technical marketing in four key areas;
- Power Quality;
- Electrical Protection;
- Lightning Protection;
- Industrial Electrical.
The group started from Mun Hean Singapore Pte Ltd which was established in 1981 and has long been the market leaders in industrial electrical marketing. The group is the exclusive agent for many leading international brands as shown in our Product Portfolio.
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