Omron TZ DATASHEET
High-temperature Basic Switch
TZ
Stable Operation at an Ambient Temperature
of 400°C
• Incorporates a ceramic insulator, cobalt-alloy spring, and special-alloy contact, thus ensuring high contact reliability at high
ambient temperature.
• Smoothly operates at an ambient temperature of 400°C.
Model Number Structure
■ Model Number Legend
TZ-1G@
1 2 3
1. Rating
1: 1 A, 250 VAC
2. Contact Gap
G: 0.5 mm
3. Actuator
None: Pin plunger
V: Hinge lever
V2: Hinge roller lever
V22: Short hinge roller lever
Ordering Information
■ List of Model
Actuator Model
Pin plunger
Hinge lever
Short hinge roller lever
TZ-1G
TZ-1GV
TZ-1GV22
Limit
Switches
Hinge roller lever
TZ-1GV2
High-temperature Basic Switch TZ F-145
Specifications
■ Ratings
Rated voltage Non-inductive load (A) Inductive load (A)
Resistive load Lamp load Inductive load Motor load
NC NO NC NO NC NO NC NO
125 VAC
250 VAC
8 VDC
14 VDC
30 VDC
125 VDC
Note: 1. The above current ratings are the values of the steady-state current.
2. Inductive load has a power factor of 0.4 min. (AC) and a time constant of 7 ms max. (DC).
3. Lamp load has an inrush current of 10 times the steady-state current.
4. Motor load has an inrush current of 6 times the steady-state current.
5. The above ratings are tested under the following conditions.
■ Characteristics
Operating speed 0.05 mm to 1 m/s (see note 1)
Operating frequency Mechanical: 60 operations/min
Insulation resistance 100 MΩ min. (at 500 VDC)
Contact resistance 100 mΩ max. (initial value)
Dielectric strength 1,000 VAC, 50/60 Hz for 1 min between terminals of same polarity
Vibration resistance Malfunction: 10 to 55 Hz, 1.5-mm double amplitude (see note 2)
Shock resistance
Durability Mechanical: 100,000 operations min.
Degree of protection IP00
Electric shock protection Class I
Ambient temperature Operating: −65°C to 400°C (with no icing)
Ambient humidity Operating: 35% to 85% max.
Weight Approx. 45 to 54 g
Note: 1. This operating speed applies to switches with pin-type pushbuttons.
2. This refers to a malfunction period of 1 ms max.
1
1
1
1
1
0.4
1. Ambient temperature: 20±2 °C
2. Ambient humidity: 65±5%
3. Switching frequency: 20 times/min
Electrical: 20 operations/min
1,500 VAC, 50/60 Hz for 1 min between current-carrying metal parts and ground and between each
terminal and non-current-carrying metal parts
Destruction: 500 m/s
Malfunction: 300 m/s
Electrical: 50,000 operations min.
0.9
0.45
0.9
0.9
0.9
0.05
0.45
0.3
0.45
0.45
0.45
0.05
2
{50G} max.
2
{30G} max. (see note 2)
1
1
1
1
1
0.4
1.5
0.45
1.5
1.5
1.5
0.05
0.75
0.3
1.5
1.5
1.5
0.05
■ Contact Specifications
Item
Contact Specification Cross bar
Material Platinum alloy
Gap (standard value) 0.5 mm
Inrush current NC 9 A max.
NO 4.5 A max.
F-146 High-temperature Basic Switch TZ
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