Brochure
Grässlin Hour Meters
Grässlin Hour Meters
90
Flush Panel Mount AC Hour Meters (Non-Reset Type)
#151753
#E22587
FWZ53 Series
Flush Panel Mount
FWZ55 Series
Flush Panel Mount
FWZ72 Series
Flush Panel Mount
The FWZ Series AC Hour Meters are ush panel mountable designed to t into tight locations. They are non-resettable and
ush panel mounted with watertight/dust-tight sealed bezels designed to withstand IP54 environmental rating
(with use of a gasket). All models are black plastic (except FWZ72B which is blue-silver on colorless frosted polycarbonate)
with white numerals on a black background. Tenths and hundredths numerals are yellow.
0.185"
[4.7 mm]
0.2"
[5 mm]
2.106"
[53.5 mm]
0.28"
[7 mm]
1.75"
[44.5 mm]
120˚
2.2"
[55.8 mm]
2.84"
[72.2 mm]
2.5"
[63.4 mm]
0.185"
[4.7 mm]
0.2"
[5 mm]
2.106"
[53.5 mm]
0.28"
[7 mm]
1.75"
[44.5 mm]
120˚
2.2"
[55.8 mm]
2.84"
[72.2 mm]
2.5"
[63.4 mm]
0.185"
[4.7 mm]
0.2"
[5 mm]
2.106"
[53.5 mm]
0.28"
[7 mm]
1.75"
[44.5 mm]
120˚
2.2"
[55.8 mm]
2.84"
[72.2 mm]
2.5"
[63.4 mm]
2.36" [60 mm]
2.17"[55 mm]
1.36"
[34.5 mm]
1.18"
[30 mm]
0.98"
[25 mm]
1.97"
[50 mm]
.20" [5mm]
2.05"
[52 mm]
.28" [7 mm]
2.09"[53 mm]
2.13" [54 mm]
0.17"
[4.3 mm]
1.4"
[35.6 mm]
1.02" [26 mm]
0.9"
[22.7 mm]
1.44"
[36.7 mm]
0.28"
[7 mm]
1.75" [44.5 mm]
0.15"
[3.8 mm]
0.95"
[24 mm]
Blue Silver
Black
Dimensions
FWZ53
Dimensions
FWZ55
Ratings
Voltage Available 24, 120 or 220 VAC
Frequency 60 Hz
50 Hz available on 120, 220 VAC only
Power Consumption 1 VA
Bezel 2.09" x 1.02" (53 mm x 26 mm)
Capacity 99,999.99 hours
Digits 0.16" high numerals
Operating
Temperature
-40° F to 160° F
(-40° C to 72° C)
Termination Combination ¼" spade and screw
clamp
Panel Opening 1.50" x 1.00" rectangular
(38 x 25 mm)
Mounting Flush panel retainer mounted (2)
0.150" holes for #6 screws
Material Black plastic
Weight 1.2 oz.
Gasket Model # G-53U (sold separately)
Ordering Information FWZ53 + Desired Voltage +
Frequency + U
Ratings
Voltage Available 120, 220 or 240 VAC
Frequency 60 Hz
50 Hz available on 220 VAC only
Power Consumption 1 VA
Bezel 2.17" x 1.18" (60 mm x 30 mm)
Capacity 99,999.99 hours
Digits 0.16" high numerals
Operating
Temperature
-40° F to 160° F
(-40° C to 72° C)
Termination Combination ¼" spade and screw
clamp; Rear access screw terminals
available (Model "K")
Panel Opening 2.06" x 1.08" rectangular
(52 mm x 27.5 mm)
Mounting Flush-panel retainer mounted with
slip-on retaining bracket
Material Black plastic
Weight 1.8 oz.
Gasket Model # G-55U (sold separately)
Ordering Information FWZ55 + K* + Desired Voltage +
Frequency + U
* Rear access screw terminals
Ratings
Voltage Available 24, 120 or 240 VAC
Frequency 60 Hz
Power Consumption 1 VA
Bezel 2.83" round (72 mm), 3 hole
Capacity 99,999.99 hours
Digits 0.16" high numerals
Operating
Temperature
-40° F to 160° F (-40° C to 72° C)
Termination Combo ¼" spade and screw clamp;
Rear access screw terminals
available (Model "K")
Panel Opening 1.75" (44.5 mm) round or
1.50" x 1" rectangular
(38 mm x 24 mm)
Mounting Flush panel mounted with (3) 0.185"
holes for #8 screws
Material
FWZ72 Black plastic, 24 or 120 VAC
FWZ72K Black plastic, 240 VAC
FWZ72B Blue/silver/clear frosted
polycarbonate, 120 or 240 VAC
FWZ72C Clear frosted polycarbonate, 120 VAC
Weight 1.8 oz.
Gasket Model # G-72U (sold separately)
Ordering Information FWZ72 + Suffix K*, B, or C + Desired
Voltage + Frequency + U
* Rear access screw terminals
Ordering Example:
To build a model #, choose the Hour Meter Series at the frequency you want. Add a "K" sufx for rear
access screw terminals (on applicable models). Then specify voltage. Only 50 Hz models need to be
denoted in the model #. Voltages not currently available will be considered on a case by case basis.
Series + VAC + Hz + Unit Pack = Model #
FWZ53 +
220
+
/50
+
U
=
FWZ53-220/50U
Dimensions
FWZ72