TH63
DIN HALF SIZE
24
.945
48
1.890
57.5
2.264
02/2003
HOUR METER
mm inch
TH64 (with reset function)
TH63 (without reset function)
FEATURES
1. Compact to save panel space
The 24 × 48 mm hour meters are just half the DIN 48 × 48 standard size. They help save the panel space.
2. Reset button
The hour meters can be reset to zero (TH64).
TH63·TH64
TH63·TH64
3. Wide-ranging measurement display
The measurement can be displayed from 0.1 hour up to
99999.9 hours (TH63). The dial size is the same as that of 48 ×
48 DIN size hour meters (TH14 and TH24 series).
4. Easy to install
The flat terminals (#187) are used for easier wiring. There is no
need to undo the lock spring.
5. High-performance sync motor with 50/60 Hz selector
The noise-resistant, accurately turning motor is employed to
provide for longer period of measurement. The power frequency
can be selected for 50 or 60 Hz.
6. Rotary indicator
NAiS’s original moire pattern mechanism helps watch the rotary
indicator for quick monitoring (one turn every 72 seconds).
7. CE marking
The hour meters satisfy EMC directives (EN50081-2/
EN50082-2) and low-voltage directives (EN61010-1).
TYPICAL APPLICATIONS
Management of small generators and food processing
machines; hour counting for leased equipment; maintenance
management of various equipment, etc.
SPECIFICATIONS
Rated operating voltage 12 V AC, 24 V AC, 48 V AC, 100 V AC, 115 to 120 V AC, 200 V AC, 220 V AC, 240 V AC
Operating voltage range 85 to 115% of rated operating voltage
Rated frequency 50/60 Hz (selectable by switch)
Counting range
Minimum time display 0.1 hours (6 min)
Rated power consumption Approx. 1.5 W
Initial insulation resistance (At 500 V DC)
Initial breakdown voltage 2,000 Vrms Between live and dead metal parts
Max. temperature rise 55°C 131°F
Vibration resistance Functional 10 to 55 Hz: 1 cycle/min double amplitude of 0.5 mm (10 min on 3 axes)
Shock resistance
Ambient temperature –10 to +50°C +14 to +122°F
Ambient humidity Max. 85% RH
Weight Approx. 80 g 2.82 oz
Functional Min 98 m/s2{10 G} (4 times on 3 axes)
Destructive Min 980 m/s2{100 G} (5 times on 3 axes)
0 to 99999.9 hours (TH63 series)
0 to 9999.9 hours (TH64 series)
Min. 100 MΩ Between live and dead metal parts
PRODUCT TYPE
Type Rated operating voltage Part No.
TH63 types
(without reset)
TH64 types
(with reset)
Notes: 1. Only the metallic-looking panel-mounting type is available.
2. Standard products are UL-recognized as well as CSA-certified. There is no need to add “U” at the end of the part No. Just specify the standard part No. when ordering.
3. If you want the CE marking on your products, specify “CE” at the end of the part No. when ordering.
100V AC TH631
200V AC TH632
12V AC TH633
100V AC TH641
200V AC TH642
12V AC TH643
Rated operating voltage Part No.
24V AC TH634
48V AC TH635
110V AC TH636
24V AC TH644
48V AC TH645
110V AC TH646
Rated operating voltage Part No.
115 to 120V AC TH637
220V AC TH638
240V AC TH639
115 to 120V AC TH647
220V AC TH648
240V AC TH649
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