Home > Switches > Ribbon Switches > Types 121, 141, & 151 Ribbon Switch
Ribbon Switches 121-BP, 141-BPH, 141-BPM, & 151-BBW
Type 151-BBW
(no bead)
Type 121-BP
(low bead)
Type 141-BPM
(medium bead)
Type 141-BPH
(high bead)
Description

General purpose ribbon switches designed for activation by hand, foot, or mechanical device.
These switches have a PVC exterior.

Ribbon Switch types in this family vary in bead height and standard colors:
Sensitivity is 8oz. (2 N) for all ribbon switches except Type 141-BPH.
Sensitivity is 24oz. (7 N) for Type 141-BPH.
See specification table below for color choices.

Mounting is by aluminum channel or double-faced tape.
Length is cut to customer requirements.

Note: All ribbon switches can be supplied with a black TPE exterior for enhanced moisture and chemical resistance. Add "E" to the type designation, e.g., 141-BPHE, to specify.

Mounting Options
Ribbon Switch Type
Style 104 Aluminum Channel
DA-32 Double-Faced Tape
All Yes Yes
Specifications
Actuation Force 8oz. (2 N) except for Type 141-BPH
24oz. (7 N) for Type 141-BPH
Bending Radius 1/2in. (12mm) minimum for Types 121 & 141
1/8in. (6.5mm) minimum for Type 151
Exterior Covering PVC (standard) or TPE (optional)
Color Type 151-BBW, white
Type 121-BP, light green or black
Type 141-BPM, white
Type 141-BPH, white, red, or black
Lead Wire #22 AWG, 18in. (460mm) long
Dimensions for 151-BBW 9/16in. wide, 3/32in. high
(14.3mm x 2.4mm)
  for 121-BP 9/16in. wide, 5/32in. high
(14.3mm x 4.0mm)
  for 141-BPM 9/16in. wide, 7/32in. high
(14.3mm x 5.6mm)
  for 141-BPH 9/16in. wide, 9/32in. high
(14.3mm x 7.1mm)
Recommended Voltage & Current 24VAC or VDC at 1.0amps max.
Dielectric Resistance 1000VAC for 2 minutes
Options
  • Custom switch lengths
  • Custom lead lengths
  • Fail-Safe leads
  • Air leak test
  • Adhesive backing
  • Interconnected switches (sausage style)
  • Custom colors are available on request. Please contact the factory