EA170-15300

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The EA170-15300 is a versatile limit switch offering maximum travel of 37 degrees and adjustable operating lever increments through 173°. Manufactured by Danaher as part of the Snaplock Limit Switches series, it complies with NEMA 1, 4, and 13 standards for various applications.

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Product Description:

The EA170-15300 Limit switch from Danaher is a SNAP-LOCK® device that was carefully built to work reliably in control applications. The switch has a short travel type, a front shaft design, and rotates counterclockwise, which means it can be used in industrial automation systems.

The EA170-15300 limit switch can handle both AC and DC loads. At 125V AC, it can handle 20 A, at 250V AC, 15 A, and at 480V AC, 10 A. It can also handle 5 A at 125V DC and 1.5 A at 250V DC. The switch can handle loads with a power factor of 75% to 100%. The enclosure meets NEMA 1, 4, and 13 standards. Water, dust, and grease cannot pass through the EA170 switch. It comes with a standard mount, allowing it to function with a wide range of parts. The switch contains gold-plated linkages and high-temperature components that allow it to operate for brief periods of time at temperatures as high as 175°C. Internal components are designed to endure vibration and earthquakes in order to meet strict licensing requirements. The EA170 switch performs consistently at temperatures ranging from 0°C to 90°C.

The EA170-15300 switch also has a SNAP-LOCK® locking mechanism that makes sure the switch is securely closed and chemical spray protection that keeps the inside working parts safe. The switch takes 6°30′ to travel on a trip, 4° to reset, 7° to suggest, and 36° to travel altogether. It takes 32 in-lbs of torque to trip. The body of the limit switch is made of diecast zinc, and the cover and screws are made of stainless steel. The switch is a component of the EA170 line, which is nuclear-qualified and adheres to strict electrical and mechanical specifications. It guarantees steady performance and long mechanical life.

125 VDC Current Rating
5 A
250 VDC Current Rating
1.5 A
Contact Arrangement
2 NO, 2 NC (NEMA form Z)
Continuous Current Rating at 120 Vac
20 A @75-100% PF
Continuous Current Rating at 250 Vac
15 A @75-100% PF
Continuous Current Rating at 480 Vac
10 A @75-100% PF
Continuous Current Rating at 600 Vac
5 A @75-100% PF
Enclosure
NEMA 1, 4 & 13 (dust-, water-, oil-tight)
Lever Adjustment
7°30' increments up to 173°
Maximum Travel
37°
Mounting Positions
Standard, Wide, Long
Nuclear-Qualified Connections
302 (open conduit), 402 (9-pin connector)
Operating Temperature Range
0 to 90°C (short-term up to 175°C)
Pre-Travel
Standard 10°; alternate 6.5°
Shaft Orientations
Front, reverse
Weight
Model 302 3.5 lbs; Model 402 4.5 lbs
Wiring Space
Accommodates 9 conductors

Frequently Asked Questions about EA170-15300:

Q: Does EA170-15300 support high temperature operation?

A: Yes, the unit includes high-temp components rated for short-term exposure up to 175°C. This supports use in thermally demanding systems.

Q: Why do EA170-15300 contacts support multiple voltages?

A: Multi-voltage support enables compatibility across AC and DC systems. It allows flexible integration in varied electrical control architectures.

Q: How does EA170-15300 maintain enclosure integrity?

A: The zinc body and stainless steel cover meet NEMA 1, 4, and 13 standards. This protects the unit from water, dust, and oil.

Q: Do EA170-15300 switches resist chemical spray damage?

A: Yes, the unit is designed with chemical-resistant materials. This protection enhances lifespan in chemically active environments.

Q: Why does EA170-15300 use a short travel type?

A: Short travel reduces mechanical wear and ensures quick actuation. It enhances switch response time in precise control systems.


Internal Product Review

  • ‘‘The EA170-15300 limit switch offers high contact reliability with gold-plated terminals and precise trip action at 6°30′. Danaher manufactures it with a die-cast zinc body, front shaft arrangement, and standard mount. Its operation range up to 90°C supports thermally demanding control systems.’’

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