DPDT Zero Speed Switches

Digital Speed Switch -- DR1000
from Electro-Sensors, Inc.

Digital Speed Switch. Features. • Works with remote / external pulse frequency. output sensor (NPN, PNP, or Mag Pick-up). • DPDT relay output. • Under-speed setpoint adjustment from. 0.5-5,000 rpm (at 8 PPR). • Terminal blocks for easy wiring. • 115, 230 VAC (50-60 Hz) and... [See More]

  • Contacts: DPDT
  • Number of Relays: 1
  • Technology: Magnetic Proximity
  • AC Voltage Rating: 115
2100 Series -- 2122
from Control Concepts, Inc.

2100 Series zero speed switches are designed for service in industrial applications requiring protection against rust, rain, and hose directed water. 2100 Series switches are for shaft input speeds of 4 to 2000 RPM. Recommended method of driving is by split or flexible coupling. [See More]

  • Contacts: DPDT
  • Operating Range: 24 to 2000
  • Technology: Electromechanical
  • Trip Point: 14 to 19
Reverse Rotation Detector -- UDS1000
from Electro-Sensors, Inc.

Reverse Rotation Detector. Features. • Relay changes state when shaft direction reverses. • Relay resets when reverse motion stops. • Easy installation and calibration. • Cast aluminum switch housing NEMA 4X, 7, 9 rated. • 115 VAC standard, 12 VDC, 24 VDC, 230 VAC options. [See More]

  • Contacts: DPDT
  • Operating Range: 0.5000 to 5000
  • Technology: Magnetic Proximity
  • Number of Relays: 1
4100 Series -- 4122
from Control Concepts, Inc.

4100 Series zero speed switches are designed for service in industrial applications requiring protection against rust, rain, and hose directed water. 4100 Series switches are for shaft input speeds of 24 to 1800 RPM. [See More]

  • Contacts: DPDT
  • Operating Range: 24 to 1800
  • Technology: Electromechanical
  • Trip Point: 14 to 19
Shaft Speed Switch -- SCP1000
from Electro-Sensors, Inc.

Shaft Speed Switches. Features. • Single or double relay setpoint(s). • Failsafe operation. • Built-in start delay. • Selectable under-speed or over-speed. • Setpoint ranges: 1-100 and 10-1,000 rpm. • Visual setpoint adjustment with digital accuracy. • Class I, Div... [See More]

  • Contacts: DPDT
  • Number of Relays: 1
  • Technology: Magnetic Proximity
  • AC Voltage Rating: 250
8100 Series -- 81212-5s
from Control Concepts, Inc.

8100 Series zero speed switches are designed for service in industrial applications requiring protection against rust, rain, and hose directed water. 8100 Series switches are internally geared for slow speed applications: shaft input speeds of 0.5 to 24 RPM. Recommended method of driving is by split... [See More]

  • Contacts: DPDT
  • Operating Range: 0.5000 to 2.5
  • Technology: Electromechanical
  • Trip Point: 0.5000
Explosion Proof Series -- 2122
from Control Concepts, Inc.

2100 & 8100 Explosion Proof Series zero speed switches are available Factory Mutual Approved EP-1. Explosion Proof for Class I, Division 1, Groups C &D; and as Dust-Ignition Proof for Class II, Division 1, Groups E, F, and G hazardous locations, indoors. [See More]

  • Contacts: DPDT
  • Operating Range: 24 to 2000
  • Technology: Electromechanical
  • Trip Point: 14 to 19
Rotoguard® III -- S-A-3-B-1-Z-1
from Control Concepts, Inc.

The Rotoguard III is a switch device for sensing the reduction, increase or loss in rotational motion for many types of moving equipment. The unit can detect changes in motion between 1 and 400 RPM depending on the model selected. The Rotoguard III may be direct coupled or driven through belts and... [See More]

  • Contacts: DPDT
  • Operating Range: 1 to 300
  • Technology: Electronic
  • Number of Relays: 1