Industrial Weatherproof Telephone
Line-powered weatherproof phone in cast aluminium for wet, noisy plant areas
Line-powered die-cast trackside phone for rail and metro lines
Ask an engineer about WMHS-ERT-A on WhatsApp →
For railway and metro track lines, tunnels and stations. WMHS-ERT-A is a standard analogue phone for any two-wire line, fully line powered, in an IP 65 aluminium die-cast housing. Order keypad or non-keypad versions.
Standard analogue phone for any two-wire line
Fully line powered
IP 65 aluminium alloy die-cast housing
Keypad and non-keypad (non-dial) versions
Noise-cancelling handset on a stainless steel cord
| Ringer sensitivity | 40–100 V @ 16–25 Hz |
|---|---|
| Line voltage | 24–56 V DC |
| Loop current | 20–120 mA |
| Fuse | 0.25 Amp 2AG fast blow |
| Microphone | Noise reducing dynamic |
|---|
| Hook switch life | > 1,000,000 operations (magnetic reed) |
|---|---|
| Housing | Aluminium alloy die-cast, powder coated |
| Dimensions | 280 × 250 × 70 mm |
| Weight | 2 kg |
| Handset material | High impact ABS (spec) – 'stainless steel vandal-proof handset' in features |
| Mounting | Vertical wall |
| Handset cord | Stainless steel |
| Temperature | 0 to +60 °C |
|---|---|
| Humidity | 0 to 95% Rh non-condensing |
| Dustproof enclosure | Fully gasketted |
| IP rating | IP 65 |
| Connection method | PCB terminal block |
|---|
Differences first: interface, power, protection and output, then installation. Full specifications are in each model's table.
| Specification | WMHS-ERT-A Weatherproof Analog Emergency Rail Telephone | WMHS-ERT-I Weatherproof VoIP Emergency Rail Telephone | WMHS-IIIWP Industrial Weatherproof Telephone | WMHS-III Industrial Telephone with Handset |
|---|---|---|---|---|
| Interfacediffers | Analogue | IP | Analogue | Analogue |
| Protectiondiffers | Not specified | Not specified | NEMA-4 | IP 65 |
| Environmentdiffers | Outdoor | Outdoor | Indoor, Outdoor | Indoor, Outdoor |
| Humiditydiffers | 0 to 95% Rh non-condensing | 10 to 90% non-condensing | 0 to 95% Rh non-condensing | 0 to 95% Rh non-condensing |
| Housingdiffers | Aluminium alloy die-cast, powder coated | Aluminium alloy die-cast, powder coated | Aluminium alloy, powder coated | 16 SWG steel, powder coated |
| Dimensionsdiffers | 280 × 250 × 70 mm | 280 × 250 × 70 mm | 422 × 197 × 146 mm | 360 × 160 × 180 mm |
| Weightdiffers | 2 kg | 2 kg | 8 kg | 5 kg |
| Handset materialdiffers | High impact ABS (spec) – 'stainless steel vandal-proof handset' in features | High impact ABS | High impact ABS | High impact ABS |
| Mounting | Vertical wall | Vertical wall | Vertical wall | Vertical wall |
| Handset cord | Stainless steel | Stainless steel | Stainless steel | Stainless steel |
| Microphone | Noise reducing dynamic | Noise reducing dynamic | Noise reducing dynamic | Noise reducing dynamic |
| Hook switch life | > 1,000,000 operations (magnetic reed) | > 1,000,000 operations (magnetic reed) | > 1,000,000 operations (magnetic reed) | > 1,000,000 operations (magnetic reed) |
Yes. Keypad and non-keypad (non-dial) models are available.
Line-powered weatherproof phone in cast aluminium for wet, noisy plant areas
Solar GSM emergency call box in steel for highways and stations
Tell us the quantity, the plant and the timeline. We reply with a quotation.