WMHS-III

Industrial Telephone with Handset

Name: SMART WMHS-III Industrial Telephone with Handset
Brand: SMART
SKU: wmhs-iii

Line-powered steel wall phone for noisy cement, steel and power plants

Line powered24–56 V DCIP 655 kg

Datasheet · PDF 339 KB

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Category: Industrial Telephones
Environment: Indoor · Outdoor
Interface: Analogue

Ideal for

Cement plants
Steel plants
Power generation facilities
Mines
Fertilizer plants
Spinning (yarn) mills

What it does

For noisy plant floors. WMHS-III runs entirely on line power, cancels background noise at the mouthpiece and sits in a 16-gauge steel housing with an integrated canopy. It works with the SMART MCS-III or any plant EPABX.

01
Fully line powered: no battery, no local supply
02
Noise-cancelling microphone for noisy areas
03
Magnetic reed hook switch rated over 1,000,000 operations
04
16-gauge steel enclosure with integrated canopy, powder coated
05
Heavy ABS handset on a one-metre stainless steel cord
06
Contact for a SMART external loud ringer or flasher

Specifications

Electrical · 4

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

Acoustic · 1

Microphone	Noise reducing dynamic

Mechanical · 8

Hook switch life	> 1,000,000 operations (magnetic reed)
Housing	16 SWG steel, powder coated
Dimensions	360 × 160 × 180 mm
Weight	5 kg
Handset material	High impact ABS
Mounting	Vertical wall
Hardware	Stainless steel
Handset cord	Stainless steel

Environmental · 4

Temperature	0 to +60 °C
Humidity	0 to 95% Rh non-condensing
Dustproof enclosure	Fully gasketted
Protection	IP 65

Connectivity · 1

Connection method	PCB terminal block

Compare with similar models

Differences first: interface, power, protection and output, then installation. Full specifications are in each model's table.

Comparison of WMHS-III with similar models. Rows that differ come first; “Not specified” means the datasheet does not list it.
Specification	WMHS-III Industrial Telephone with Handset	WMHS-IIIPT Industrial Telephone with Page & Talkback	WMHS-IIIEP Emergency Phone	WMHS-IIILH Loud Hearing Phone
Paging / talkbackdiffers	Notelephone only	PAGE and TALKBACK buttonsMCS-III field station	Noemergency telephone	No
External ringer / flasherdiffers	Output contactfor a SMART loud ringer or flasher	Output contactfor a SMART loud ringer or flasher	Not specified	Built in40 W loud ringer and xenon flasher
Protectiondiffers	IP 65	IP 65	IP 55	Conforming to NEMA-4
Environmentdiffers	Indoor, Outdoor	Indoor, Outdoor	Indoor	Indoor, Outdoor
Mountingdiffers	Vertical wall	Vertical wall or column	Desk top	Wall mount
Connection methoddiffers	PCB terminal block	PCB terminal block	RJ 11 socket	DIN connector pin
Dimensionsdiffers	360 × 160 × 180 mm	360 × 160 × 180 mm	270 × 110 × 130 mm	270 × 110 × 130 mm
Weightdiffers	5 kg	5 kg	1.2 kg	1.2 kg
Handset	Yesnoise-cancelling	Yesnoise-cancelling	Yesnoise-cancelling	Yeshearing-aid compatible, volume control
Hands-free	No	No	No	No
Vandal-resistant	Nohandset model	Nohandset model	Nodesktop	Nohandset model
Interface	Analogue	Analogue	Analogue	Analogue