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(800) 631-2148   •   www.cooperwheelock.com

Series MT and MT Strobe Multitone Electronic Signals

5-2  06/06

Series MT

Offer of choice of eight alerting sounds:  
Horn, Bell, March Time Horn, Code-3 
Tone, Code-3 Horn, Slow Whoop, Siren 
or Hi/Lo Tone.  One alarm appliance 
can provide superior sound penetration 
for various ambient and room condi-
tions with two fi eld selectable sound 
output levels.  

Wall Mount Multitone Strobes

Available features and options:

Color:  Red, White
Mounting:  Wall, Ceiling
Multi-Candela
12, 24 VDC and 120 VAC
Standard Backboxes
Approvals:  UL, ULC, FM,    
CSFM, MEA, BFP

UL Max. Current 15cd 30cd 75cd 110cd

24 VDC

0.060 0.092 0.165 0.220

Mounting Options:  D,E,F,J,L,M,N,O,P,R (MT)
   

               D,E,J,K,N,O,R (MT4)

Strobe Ratings

5.126

5.126

4.352

5.13

2.17

5.13

Audible Ratings

UL Max. Current

1575cd

24 VDC

12 VDC

0.090

0.255

UL Max. Current

24 VDC

12 VDC

120 VAC

HI Out STD Out HI Out STD Out HI Out STD Out

Horn

0.108

0.044

0.177

0.034

0.050

0.042

Bell

0.053

0.024

0.095

0.020

0.041

0.039

March Time Horn 0.104

0.038

0.142

0.034

0.050

0.040

Code-3 Horn

0.091

0.035

0.142

0.034

0.050

0.042

Code-3 Tone

0.075

0.035

0.105

0.021

0.042

0.040

Slow Whoop

0.098

0.037

0.142

0.035

0.050

0.050

Siren

0.104

0.036

0.152

0.030

0.045

0.045

Hi/Lo

0.057

0.025

0.114

0.026

0.042

0.042

dBA @ 10 ft. (UL 

Reverberant)

dBA @ 10 ft. 

(anechoic)

dBA @ 

10 ft. (UL 

Reverberant)

Reverberant)

Reverberant)

dBA

24 VDC

12 VDC

12 and 24

120 VAC

HI 

Out

STD 

Out

HI 

Out

STD 

Out

HI 

Out

STD 

Out

HI

Out

STD 

Out

Horn

92

87

90

77

99

93

88

82

Bell

86

80

85

69

92

87

82

75

March Time Horn 89

84

89

74

99

93

85

79

Code-3 Horn

88

83

88

73

99

93

85

75

Code-3 Tone

85

80

84

70

95

90

79

75

Slow Whoop

90

89

89

75

99

94

88

82

Siren

89

84

89

75

98

93

85

82

Hi/Lo

86

81

86

71

93

88

82

79

Noti

Visu

WA

4.12

4.12

3.52

15/30/75/110cd

Order Code

MT-24MCW-NW

White

3305

75cd (WthProof)

MTWP-2475W-NW

White

9744

1575cd

MT-121575W-NW

White

9747

15cd

MT4-115-WH-VNS

Gray

6143

Order Code

MT-12/24-W

White

5024

MT4-12/24-S

Silver

7997

MT4-115-S

Silver

6142

Mounting Options:  D,E,F,J,L,M,N,O,P,R (MT)
   

               D,E,J,K,N,O,R (MT4)

Wall or Ceiling Mount Multitones

Please reference the back of this catalog for 
more information on mounting options.  

Reviews: