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Exit DevicesMSB550 Mechanical Switch Bar
MSB550 MECHANICAL SWITCH BAR • NON-LATCHING SWITCH BAR
Building codes essentially state that egress through access controlled doors must not require prior knowledge of operational requirements. Meeting this criteria, IDC’s MSB550 is designed to release electromagnetic door locks for uninhibited egress. When slight pressure is applied a microswitch is actuated, immediately releasing the electromagnetic door lock. The MSB5500 is an economical alternative to sensor activated bars.
Description
MSB550 MECHANICAL SWITCH BAR • NON-LATCHING SWITCH BAR
Non-Latching Push Bar for
- Magnetic Lock Release
- Delayed Egress Trigger
- Access Control Request-to-Exit
- Alarm Shunt
- CCTV or Alarm Activation
Building codes essentially state that egress through access controlled doors must not require prior knowledge of operational requirements. Meeting this criteria, IDC’s MSB550 is designed to release electromagnetic door locks for uninhibited egress. When slight pressure is applied a microswitch is actuated, immediately releasing the electromagnetic door lock. The MSB5500 is an economical alternative to sensor activated bars.
IDC 8000 Series Exit Devices are heavy duty and designed for heavy traffic applications. The devices are Underwriters Laboratory (UL, USA and ULC, Canada) listed for Panic Exit Hardware or Fire Exit Hardware, and are certified to ANSI A156.3-2001 Grade 1.
Only 1/8” Total Bar Movement
The MSB550 has a maximum movement of only .125″ (3.2 mm). Trigger activation to release the electromagnetic lock is quick and quiet.
Heavy Duty Construction
The MSB550 utilizes heavy-duty aluminum extrusion and rugged end caps. The mounting assembly is all metal. The rigid construction prevents any malfunction due to sagging or warped doors or tweaked-glass door stiles.
Narrow Low Profile
The MSB550 has a narrow profile with minimum projection from the door of only 1.875″ (47 mm). The unobtrusive design is ideally suited for aesthetically superior glass openings.
Model
Standard Length for 36″ Door PT-2U Power Transfer included
- MSB550V 628 Aluminum Anodized
- MSB550Y 335 Black Anodized
- MSB550C 605 Polished Brass
- MSB550S 629 Polished Stainless Steel
- MSB550U 630 Brushed Stainless Steel
Options
Contacts
2 Two SPDT 5 Amp Contacts
Bars for Wide Doors
42 For 42″ (1,067 mm) wide doors
48 For 48″ (1,219 mm) wide doors
Bars may be field cut
500GL Glass Mounting Kit for full glass and Herculite doors with stiles. Kit includes adhesive and (2) mounting blocks. (See reverse for details)
500SK Shim Kit used to raise bar from door surface. Recommended for wood or hollow metal doors.
How to Specify Options
- Examples
- MSB550V x 500GL
- MSB550V-2
- MSB550V48

Electrical Specifications
Contacts
- Standard: SPDT, 5 Amp @ 30VDC
- Optional: Two, SPDT, 5 Amp @ 30VDC
Mechanical Specifications
- Height: 2.375″ (60.3 mm)
- Projection (Depth): 1.875” (47.6 mm)
- Door Width: 36″ (914 mm) Standard
- 42″ (1,067 mm)
- 48″ (1,219 mm)
- Bars may be field cut



