مفتاح مغناطيسي
الوصف
يتكوّن المفتاح المغناطيسي من دبابيس تلامس مسطّحة، تكون معزولة بإحكام (مُحكمة الإغلاق) داخل أنبوب زجاجي مُعبّأ بغاز خامل (تلامس القصب). عند تقريب مغناطيس دائم، تنجذب نهايتا دبوسَي التلامس المتراكبين معًا وتعودان بالزنبرك إلى وضع التلامس. عند إزالة المغناطيس الدائم، تُفقد دبابيس التلامس مغناطيسيتها فورًا وتعود إلى وضعها الاستقراري.
إن الفجوة الهوائية بين نهايات دبوس التلامس لا تتجاوز 0.2 ... 0.3 mm، وبالنسبة لدبابيس التلامس فإن الكتلة المراد تحريكها وقوة زنبركها صغيرة جدًا. وبذلك يقوم المفتاح المغناطيسي بالتحويل تقريبًا دون قصور ذاتي، ويمكن اعتباره «عنصرًا شبه إلكتروني».
الشكل في الوسط: MSA-GMSM 16 الشكل في اليمين: MSA-KRS 9
تُعد هذه المفاتيح المغناطيسية منخفضة التكلفة، والتي يسهل تركيبها بشكل خاص، مناسبة جدًا لأتمتة العمليات وكذلك كمؤشرات وضع للانزلاقات والبوابات والصمامات.
يتم ضمان موثوقية هذه المفاتيح المدمجة من خلال عمرها الكهربائي الطويل. وبما أن المفاتيح المغناطيسية تتكوّن في الغالب من عنصر واحد فقط، فإنها تكون آمنة بشكل خاص أثناء التشغيل.
المزايا
- المفاتيح المغناطيسية تعمل بشكل صحيح تحت الظروف البيئية القاسية، مثل الأوساخ والرطوبة والغازات والغبار والبرادات إلخ.
- نقطة تبديل مستقرة، دقة نقطة تبديل قابلة للتكرار 0.01 mm
- يمكن تشغيل تلامس Reed من عدة اتجاهات
- يمكن تركيبه بأي اتجاه
- يمكن تشغيله في حالة خالية من الجهد، وتستطيع النسخ ثنائية الاستقرار حفظ الإشارات وهي مناسبة بشكل خاص لأطوال شوط طويلة للغاية
الأسئلة والأجوبة
ما هي دقة نقطة التبديل للمفتاح المغناطيسي MSA؟
دقة تكرار نقطة التبديل هي 0.01 mm، مما يضمن نقطة تبديل مستقرة.
ما هي وصلات العملية المتوفرة؟
سنون M10 x 1 أو M12 x 1 أو M18 x 1.5، أو جسم أسطواني بدون سنون.
ما هي مواد الأجزاء الملامسة؟
نحاس أصفر، ستانلس ستيل، بولي أميد مقوّى بالألياف الزجاجية، وألومنيوم.
ما هي درجات الحرارة المسموح بها؟
درجة حرارة البيئة ودرجة حرارة العملية من -10 إلى +80 °C.
هل يتحمل المفتاح البيئات القاسية؟
نعم، فهو يعمل بشكل صحيح تحت تأثيرات بيئية قاسية مثل الأوساخ والرطوبة والغازات والأتربة والبرادات، وبدرجة حماية IP65.
ما هي أنواع الخرج الكهربائي المتاحة؟
جهة اتصال جافة من نوع reed: مفتوحة عادةً، مغلقة عادةً، تغيير الاتصال، ونسخ bistable تحفظ الإشارات.
ما الذي يميز النسخة bistable؟
يمكن تشغيلها في حالة خالية من الجهد، وتحفظ الإشارات، وهي مناسبة بشكل خاص لمسارات السكتة الطويلة جدًا.
كيف يتم الوصل الكهربائي؟
عبر كابل أو موصل، حسب الطراز.
| السلسلة | MSA |
| النوع الفرعي | Magnetic switch |
| وصلة العملية | M10 x 1 threadM12 x 1 threadM18 x 1.5 threadno thread (cylindrical body) |
| درجة حرارة العملية | −10…+80 °C |
| تقنية القياس | magnetic_switch |
| إشارة الخرج | dry contact · reed contact · normally_open · normally_closed · change-over · bistable |
| وصلة كهربائية | cable or connector (model dependent) |
| مادة الأجزاء الملامسة | brass, stainless steel, polyamide (glass-fibre reinforced), stainless_steel, polyamide, aluminium |
| حرارة المحيط | −10…+80 °C |
| تصنيف IP | IP65 |
| لغات ورقة البيانات | EN, DE |
| Magnetic switches, case forms and materials | Dimensions | Switch | Max. switching power AC/DC | Max. switching | Max.switching |
|---|---|---|---|---|---|
| behaviour voltage current AC/DC Mini magnetic switch in round stainless steel case | |||||
| Model MSA-VS-Lx | L = 40 or 55 | Monostable | 10VA/5W | 230V | 0.5 A / 0.25 A |
| Magnetic switch in round polyamide case, glass-fibre reinforced | |||||
| Model MSA-MRS 9 | L = 50 | Monostable | 10VA/5W | 230V | 0.5 A / 0.25 A |
| Model MSA-KRS 9 | L = 60 | Monostable | 60VA /30W | 230V | 1 A / 0.5 A |
| Model MSA-KRU 9 | L = 60 | Monostable | 30VA /20W | 230V | 0.5 A / 0.35 A |
| Model MSA-KWU 9 | L = 60 | Monostable | 50VA /30W | 230V | 1 A / 0.5 A |
| Model MSA-GMS 9 | L = 80 | Monostable | 100VA /50W | 230V | 1 A / 0.5 A |
| Model MSA-GMU 9 | L = 80 | Monostable | 30VA /20W | 230V | 0.5 A / 0.35 A |
| Model MSA-GMSM 16 | L = 75 | Bistable | 100VA /50W | 230V | 1 A / 0.5 A |
| Model MSA-GMOM 16 | L = 75 | Bistable | 100VA /50W | 230V | 1 A / 0.5 A |
| Model MSA-GMUM 16 | L = 75 | Bistable | 30VA /20W | 230V | 0.5 A / 0.35 A |
| Magnetic switch in round brass case | |||||
| Model MSA-MRS 10 | M10 x 1 thread | Monostable | 10VA/5W | 230V | 0.5 A / 0.25 A |
| Model MSA-MRS 12 | M12 x 1 thread | Monostable | 60VA /30W | 230V | 1 A / 0.5 A |
| Model MSA-MRU 12 | M12 x 1 thread | Monostable | 30VA /20W | 230V | 0.5 A / 0.35 A |
| Model MSA-MRS 20 | M20 x 1 thread | Monostable | 60VA /30W | 230V | 1 A / 0.5 A |
| Model MSA-MRU 20 | M20 x 1 thread | Monostable | 30VA /20W | 230V | 0.5 A / 0.35 A |
| Magnetic switch in round polyamide case | |||||
| Model MSA-GMS 18 | M18 x 1.5 thread | Monostable | 60VA /30W | 230V | 1 A / 0.5 A |
| Model MSA-GMU 18 | M18 x 1.5 thread | Monostable | 30VA /20W | 230V | 0.5 A / 0.35 A |
| Model MSA-GMUM 18 | M18 x 1.5 thread | Bistable | 100VA /50W | 230V | 1 A / 0.5 A |
| Magnetic switch in flat polyamide case, glass-fibre reinforced | |||||
| Model MSA-DRS | L = 80 | Monostable | 60VA /30W | 230V | 1 A / 0.5 A |
| Model MSA-DRU | L = 80 | Monostable | 30VA /20W | 230V | 0.5 A / 0.35 A |
| Model MSA-DRSM | L = 80 | Bistable | 100VA /50W | 230V | 1 A / 0.5 A |
| Model MSA-DRUM | L = 80 | Bistable | 30VA /20W | 230V | 0.5 A / 0.35 A |
| Model MSA-DWU | L = 80 | Monostable | 50VA /30W | 230V | 1 A / 0.5 A |
| Model MSA-DGS | L = 80 | Monostable | 100VA /50W | 230V | 1 A / 0.5 A |
| Magnetic switch in aluminium case | |||||
| Model MSA-FKS-AL | L = 50 | Monostable | 10VA/5W | 230V | 0.5 A / 0.25 A |
| Model MSA-FKOM-AL | L = 50 | Bistable | 10VA/5W | 230V | 0.5 A / 0.25 A |
| Model MSA-FKSM-AL | L = 50 | Bistable | 10VA/5W | 230V | 0.5 A / 0.25 A |
| Model MSA-FLS-AL | L = 80 | Monostable | 60VA /30W | 230V | 1 A / 0.5 A |
| Model MSA-FLU-AL | L = 80 | Monostable | 30VA /20W | 230V | 0.5 A / 0.35 A |
| Model MSA-FLSM-AL | L = 80 | Bistable | 100VA /50W | 230V | 1 A / 0.5 A |
| Model MSA-FLUM-AL | L = 80 | Bistable | 30VA /20W | 230V | 0.5 A / 0.35 A |
| Model MSA-FWU-AL | L = 80 | Monostable | 50VA /30W | 230V | 1 A / 0.5 A |
| Model MSA-FGMS-AL | L = 80 | Monostable | 100VA /50W | 230V | 1 A / 0.5 A |
| Magnetic switch in round stainless steel case | |||||
| Model MSA-EVS-L70 (KRS) | L = 70 | Monostable | 60VA /30W | 230V | 1 A / 0.5 A |
| Model MSA-EVU-L70 (KRU) | L = 70 | Monostable | 30VA /20W | 230V | 0.5 A / 0.35 A |
| Model MSA-EVS-L100 (GMS) | L = 100 | Monostable | 100VA /50W | 230V | 1 A / 0.5 A |
| Model MSA-EVSM-L100 (GMSM) | L = 100 | Bistable | 100VA /50W | 230V | 1 A / 0.5 A |
| Model MSA-EVOM-L1004 (GMOM) | L = 100 | Bistable | 100VA /50W | 230V | 1 A / 0.5 A |
| Model MSA-EVUM-L100 (GMUM) | L = 100 | Bistable | 30VA /20W | 230V | 0.5 A / 0.35 A |
| Slot magnetic switch for non-contact actuation using a sheet iron flag in polyamide case | |||||
| Model MSA-SRO | - | Monostable | 100VA /50W | 230V | 1 A / 0.5 A |
| Model MSA-SRU | - | Monostable | 30VA /20W | 230V | 0.5 A / 0.35 A |
| Model MSA-SWO | - | Monostable | 50VA /30W | 230V | 1 A / 0.5 A |
| Model MSA-SWU | - | Monostable | 50VA /30W | 230V | 1 A / 0.5 A |
| Specifications | |
|---|---|
| Switching function | Normally open |
| Switch behaviour | Monostable |
| Contact material | Rhodium |
| Switching power | AC 10VA DC5W |
| Switching voltage | AC/DC 230V |
| Switching current | AC 0.5 A DC 0.25 A |
| Switching frequency | 1,000 1/sec |
| Switch hysteresis | approx.5mm |
| Permissible temperature | -10 ...+80 °C |
| Ingress protection | IP54 |
| Connection cable | 2-wire PVC (specify length when ordering) |
| Case | Stainless steel |
| Specifications | |
|---|---|
| Switching function | Normally open |
| Switch behaviour | Monostable |
| Contact material | Rhodium |
| Switching power | AC 10VA DC5W |
| Switching voltage | AC/DC 230V |
| Switching current | AC 0.5 A DC 0.25 A |
| Switching frequency | 1,000 1/sec |
| Switch hysteresis | approx.5mm |
| Permissible temperature | -10 ...+80 °C |
| Ingress protection | IP54 |
| Connection cable | 2-wire PVC (specify length when ordering) |
| Case | Stainless steel |
| Specifications | |
|---|---|
| Switching function | Normally open |
| Switch behaviour | Monostable |
| Contact material | Rhodium |
| Switching power | AC 10VA DC5W |
| Switching voltage | AC/DC 230V |
| Switching current | AC 0.5 A DC 0.25 A |
| Switching frequency | 1,000 1/sec |
| Switch hysteresis | approx.5mm |
| Permissible temperature | -10 ...+80 °C |
| Ingress protection | IP65 |
| Connection cable | 2-wire PVC (specify length when ordering) |
| Case | Polyamide, glass-fibre reinforced |
عرض الكل (20)
| Specifications | |
|---|---|
| Switching function | |
| Model MSA-KRS 9 | Normally open |
| Model MSA-KRU 9 | Change-over |
| Switch behaviour | Monostable |
| Contact material | Rhodium |
| Switching power | |
| Model MSA-KRS 9 | AC 60VA DC30W |
| Model MSA-KRU 9 | AC 30VA DC20W |
| Switching voltage | AC/DC 230V |
| Switching current | |
| Model MSA-KRS 9 | AC 1 A DC 0.5 A |
| Model MSA-KRU 9 | AC 0.5 A DC 0.35 A |
| Switching frequency | 300 1/sec |
| Switch hysteresis | approx.5mm |
| Permissible temperature | -10 ...+80 °C |
| Ingress protection | IP65 |
| Connection cable | (specify length when ordering) |
| Model MSA-KRS 9 | 2-wire PVC |
| Model MSA-KRU 9 | 3-wire PVC |
| Case | Polyamide, glass-fibre reinforced |
| Specifications | |
|---|---|
| Switching function | Change-over |
| Switch behaviour | Monostable |
| Contact material | Rhodium |
| Switching power | AC 50VA DC30W |
| Switching voltage | AC/DC 230V |
| Switching current | AC 1 A DC 0.5 A |
| Switching frequency | 100 1/sec |
| Switch hysteresis | approx. 2 ...3mm |
| Permissible temperature | -10 ...+80 °C |
| Ingress protection | IP65 |
| Connection cable | 2-wire PVC (specify length when ordering) |
| Case | Polyamide, glass-fibre reinforced |
| Specifications | |
|---|---|
| Switching function | |
| Model MSA-GMS 9 | Normally open |
| Model MSA-GMU 9 | Change-over |
| Switch behaviour | Monostable |
| Contact material | Rhodium |
| Switching power | |
| Model MSA-GMS 9 | AC 100VA DC50W |
| Model MSA-GMU 9 | AC 30VA DC20W |
| Switching voltage | AC/DC 230V |
| Switching current | |
| Model MSA-GMS 9 | AC 1 A DC 0.5 A |
| Model MSA-GMU 9 | AC 0.5 A DC 0.35 A |
| Switching frequency | 300 1/sec |
| Switch hysteresis | |
| Model MSA-GMS 9 | approx. 3 ...4mm |
| Model MSA-GMU 9 | approx.5mm |
| Permissible temperature | -10 ...+80 °C |
| Ingress protection | IP65 |
| Connection cable | (specify length when ordering) |
| Model MSA-GMS 9 | 2-wire PVC |
| Model MSA-GMU 9 | 3-wire PVC |
| Case | Polyamide, glass-fibre reinforced |
| Specifications | |
|---|---|
| Switching function | |
| Model MSA-GMSM 16 | Normally open |
| Model MSA-GMOM 16 | Normally closed |
| Model MSA-GMUM 16 | Change-over |
| Switch behaviour | Bistable |
| Contact material | Rhodium |
| Switching power | |
| Models MSA-GMSM 16 and MSA-GMOM16 | AC 100VA DC50W |
| Model MSA-GMUM 16 | AC 30VA DC20W |
| Switching voltage | AC/DC 230V |
| Switching current | |
| Models MSA-GMSM 16 and MSA-GMOM16 | AC 1 A DC 0.5 A |
| Model MSA-GMUM 16 | AC 0.5 A DC 0.35 A |
| Switching frequency | 300 1/sec |
| Permissible temperature | -10 ...+80 °C |
| Ingress protection | IP65 |
| Connection cable | (specify length when ordering) |
| Model MSA-GMSM 16 | 2-wire PVC |
| Model MSA-GMOM 16 | 2-wire PVC |
| Model MSA-GMUM 16 | 3-wire PVC |
| Case | Polyamide, glass-fibre reinforced |
| Switching function | Normally open |
|---|---|
| Switch behaviour | Monostable |
| Contact material | Rhodium |
| Switching power | AC 10VA DC5W |
| Switching voltage | AC/DC 230V |
| Switching current | AC 0.5 A DC 0.25 A |
| Switching frequency | 1,000 1/sec |
| Switch hysteresis | approx.5mm |
| Permissible temperature | -10 ...+80 °C |
| Ingress protection | IP54 |
| Connection cable | 2-wire PVC (specify length when ordering) |
| Case | Brass |
| Specifications | |
|---|---|
| Switching function | |
| Model MSA-MRS 12 | Normally open |
| Model MSA-MRU 12 | Change-over |
| Switch behaviour | Monostable |
| Contact material | Rhodium |
| Switching power | |
| Model MSA-MRS 12 | AC 60VA DC30W |
| Model MSA-MRU 12 | AC 30VA DC20W |
| Switching voltage | AC/DC 230V |
| Switching current | |
| Model MSA-MRS 12 | AC 1 A DC 0.5 A |
| Model MSA-MRU 12 | AC 0.5 A DC 0.35 A |
| Switching frequency | 300 1/sec |
| Switch hysteresis | approx.5mm |
| Permissible temperature | -10 ...+80 °C |
| Ingress protection | IP54 |
| Connection cable | (specify length when ordering) |
| Model MSA-MRS 12 | 2-wire PVC |
| Model MSA-MRU 12 | 3-wire PVC |
| Case | Brass |
| Specifications | |
|---|---|
| Switching function | |
| Model MSA-MRS 20 | Normally open |
| Model MSA-MRU 20 | Change-over |
| Switch behaviour | Monostable |
| Contact material | Rhodium |
| Switching power | |
| Model MSA-MRS 20 | AC 60VA DC30W |
| Model MSA-MRU 20 | AC 30VA DC20W |
| Switching voltage | AC/DC 230V |
| Switching current | |
| Model MSA-MRS 20 | AC 1 A DC 0.5 A |
| Model MSA-MRU 20 | AC 0.5 A DC 0.35 A |
| Switching frequency | 300 1/sec |
| Switch hysteresis | |
| Model MSA-MRS 20 | approx. 3 ...4mm |
| Model MSA-MRU 20 | approx.5mm |
| Permissible temperature | -10 ...+80 °C |
| Ingress protection | IP65 |
| Connection cable | (specify length when ordering) |
| Model MSA-MRS 20 | 2-wire PVC |
| Model MSA-MRU 20 | 3-wire PVC |
| Case | Brass |
| Specifications | |
|---|---|
| Switching function | |
| Model MSA-GMS 18 | Normally open |
| Model MSA-GMU 18 | Change-over |
| Switch behaviour | Monostable |
| Contact material | Rhodium |
| Switching power | |
| Model MSA-GMS 18 | AC 60VA DC30W |
| Model MSA-GMU 18 | AC 30VA DC20W |
| Switching voltage | AC/DC 230V |
| Switching current | |
| Model MSA-GMS 18 | AC 1 A DC 0.5 A |
| Model MSA-GMU 18 | AC 0.5 A DC 0.35 A |
| Switching frequency | 300 1/sec |
| Switch hysteresis | approx.5mm |
| Permissible temperature | -10 ...+80 °C |
| Ingress protection | IP65 |
| Connection cable | (specify length when ordering) |
| Model MSA-GMS 18 | 2-wire PVC |
| Model MSA-GMU 18 | 3-wire PVC |
| Case | Polyamide |
| Specifications | |
|---|---|
| Switching function | Change-over |
| Switch behaviour | Bistable |
| Contact material | Rhodium |
| Switching power | AC 40VA DC20W |
| Switching voltage | AC/DC 230V |
| Switching current | AC 1 A DC 0.5 A |
| Switching frequency | 300 1/sec |
| Permissible temperature | -10 ...+80 °C |
| Ingress protection | IP65 |
| Connection cable | 3-wire PVC (specify length when ordering) |
| Case | Polyamide |
| Specifications | |
|---|---|
| Switching function | |
| Model MSA-DRS | Normally open |
| Model MSA-DRU | Change-over |
| Switch behaviour | Monostable |
| Contact material | Rhodium |
| Switching power | |
| Model MSA-DRS | AC 60VA DC30W |
| Model MSA-DRU | AC 30VA DC20W |
| Switching voltage | AC/DC 230V |
| Switching current | |
| Model MSA-DRS | AC 1 A DC 0.5 A |
| Model MSA-DRU | AC 0.5 A DC 0.35 A |
| Switching frequency | 300 1/sec |
| Switch hysteresis | approx.5mm |
| Permissible temperature | -10 ...+80 °C |
| Ingress protection | IP65 |
| Connection cable | (specify length when ordering) |
| Model MSA-DRS | 2-wire PVC |
| Model MSA-DRU | 3-wire PVC |
| Case | Polyamide, glass-fibre reinforced |
| Specifications | |
|---|---|
| Switching function | |
| Model MSA-DRSM | Normally open |
| Model MSA-DRUM | Change-over |
| Switch behaviour | Bistable |
| Contact material | Rhodium |
| Switching power | |
| Model MSA-DRSM | AC 100VA DC50W |
| Model MSA-DRUM | AC 30VA DC20W |
| Switching voltage | AC/DC 230V |
| Switching current | |
| Model MSA-DRSM | AC 1 A DC 0.5 A |
| Model MSA-DRUM | AC 0.5 A DC 0.35 A |
| Switching frequency | 300 1/sec |
| Permissible temperature | -10 ...+80 °C |
| Ingress protection | IP65 |
| Connection cable | (specify length when ordering) |
| Model MSA-DRSM | 2-wire PVC |
| Model MSA-DRUM | 3-wire PVC |
| Case | Polyamide, glass-fibre reinforced |
| Specifications | |
|---|---|
| Switching function | Change-over |
| Switch behaviour | Monostable |
| Contact material | Tungsten |
| Switching power | AC 50VA DC30W |
| Switching voltage | AC/DC 230V |
| Switching current | AC 1 A DC 0.5 A |
| Switching frequency | 100 1/sec |
| Switch hysteresis | approx. 2 ...3mm |
| Permissible temperature | -10 ...+80 °C |
| Ingress protection | IP65 |
| Connection cable | 3-wire PVC (specify length when ordering) |
| Case | Polyamide, glass-fibre reinforced |
| Specifications | |
|---|---|
| Switching function | Normally open |
| Switch behaviour | Monostable |
| Contact material | Rhodium |
| Switching power | AC 100VA DC50W |
| Switching voltage | AC/DC 230V |
| Switching current | AC 1 A DC 0.5 A |
| Switching frequency | 300 1/sec |
| Switch hysteresis | approx. 3 ...4mm |
| Permissible temperature | -10 ...+80 °C |
| Ingress protection | IP65 |
| Connection cable | 2-wire PVC (specify length when ordering) |
| Case | Polyamide, glass-fibre reinforced |
| Specifications | |
|---|---|
| Switching function | Normally open |
| Switch behaviour | Monostable |
| Contact material | Rhodium |
| Switching power | AC 10VA DC5W |
| Switching voltage | AC/DC 230V |
| Switching current | AC 0.5 A DC 0.25 A |
| Switching frequency | 1,000 1/sec |
| Switch hysteresis | approx.5mm |
| Permissible temperature | -10 ...+80 °C |
| Ingress protection | IP65 |
| Connection cable | 2-wire PVC (specify length when ordering) |
| Case | Aluminium |
| Switching function | |
|---|---|
| Model MSA-FKSM-AL | Normally open |
| Model MSA-FKOM-AL | Normally closed |
| Switch behaviour | Bistable |
| Contact material | Rhodium |
| Switching power | AC 10VA DC5W |
| Switching voltage | AC/DC 230V |
| Switching current | AC 0.5 A DC 0.25 A |
| Switching frequency | 1,000 1/sec |
| Permissible temperature | -10 ...+80 °C |
| Ingress protection | IP65 |
| Connection cable | (specify length when ordering) |
| Model MSA-FKSM-AL | 2-wire PVC |
| Model MSA-FKOM-AL | 2-wire PVC |
| Case | Aluminium |
| Specifications | |
|---|---|
| Switching function | |
| Model MSA-FLS-AL | Normally open |
| Model MSA-FLU-AL | Change-over |
| Switch behaviour | Monostable |
| Contact material | Rhodium |
| Switching power | |
| Model MSA-FLS-AL | AC 60VA DC30W |
| Model MSA-FLU-AL | AC 30VA DC20W |
| Switching voltage | AC/DC 230V |
| Switching current | |
| Model MSA-FLS-AL | AC 1 A DC 0.5 A |
| Model MSA-FLU-AL | AC 0.5 A DC 0.35 A |
| Switching frequency | 300 1/sec |
| Switch hysteresis | approx.5mm |
| Permissible temperature | -10 ...+80 °C |
| Ingress protection | IP65 |
| Connection cable | (specify length when ordering) |
| Model MSA-FLS-AL | 2-wire PVC |
| Model MSA-FLU-AL | 3-wire PVC |
| Case | Aluminium |
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