Mircom 200 Series Detector Mounting Base Owner’s Manual

: June 9, 2024
: Mircom

Table of Contents

Description
Features
Physical Specifications
Specifications
- B224RB/B224BI Electrical Ratings
- B200SR Electrical Ratings
200 Series Junction Box Selection Guide
Ordering Information
Customer Support
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

Mircom 200 Series Detector Mounting Base

Description

Mircom’s mounting bases and kits provide a variety of ways to install detectors in any application. Mircom offers relay, isolator, and sounder base options for the MIX-200 Series detectors. Relay bases provide one form C contact relay for control of auxiliary functions, such as door closure and elevator recall. Isolator bases allow loops to continue to operate under fault conditions and automatically restore when the fault is removed.
The Sounder base is available in a combination temporal 3 and continuous tone model (B200SR).
The 200 Series Bases provide a variety of mounting options to meet your installation challenges. Bases come in flanged or flangless versions for mounting to a variety of junction boxes. See the 200 Series Junction Box Selection Guide on the next page for junction box options. Surface mounting boxes are also available.

Features

Bases enable quick and secure detector plug-in
SEMS screws provide easy wiring connection
Support for 12-24 AWG provides installation flexibility
Multiple accessory options provide mounting flexibility
Sounder bases are compliant with UL 464 and UL 864

Physical Specifications

Diameter

B501| 4.1″ (104 mm)
B210LP| 6.1″ (155 mm)
B224RB, B224BI, B200SR| 6.875″ (175 mm)
Wire Gauge
24 to 12 AWG
Temperature Range
B224BI, B224RB, B200SR| 32°F to 120°F (0°C to 49° C)
B501, B210LP| -4°F to 150°F (-20°C to 66° C)
Humidity Range
10% to 93% RH non-condensing

Specifications

B224RB/B224BI Electrical Ratings

Operating Voltage

15 to 32 VDC (powered by SLC)
Standby Current
170/450 µA max.
Set Time (B224RB only)
Short Delay: 60 to 100 msec
Long Delay: 6 to 10 sec
Reset Time (B224RB only)
20 msec max.
Relay Characteristics (B224RB only)
2 coil latching relay 1 Form C contact UL/ULC Rating:
0.5 A @ 125 VAC
0.9 A @ 125 VDC 3 A @ 30 VDC

B200SR Electrical Ratings

External Supply Voltage

16 to 33 VDC (VFWR)
Standby Current
500 µA max.
Sound Output
Greater than 90 dBA measured in anechoic room at 10 feet, 24 volts. 85 dBA minimum in UL reverberant room
Alarm Current
35 mA max.

200 Series Junction Box Selection Guide

Model| Single Gang| 3.5″ Oct.| 4″ Oct.| 4″ Sq.| **4″ Sq.*| 50 mm| 60 mm| 70 mm| 75 mm**
---|---|---|---|---|---|---|---|---|---
B501| No| Yes| No| No| Yes| Yes| Yes| Yes| No
B210LP| Yes| Yes| Yes| Yes| Yes| No| No| Yes| No
B224RB| Yes| Yes| Yes| Yes| Yes| No| No| Yes| No
B224BI| Yes| Yes| Yes| Yes| Yes| No| No| Yes| No
B200SR| Yes| Yes| Yes| Yes| Yes| No| No| Yes| No

*with 3.0 mud ring
Note: Box depth contingent on base and wire size. Refer to National Electrical Code or applicable local codes for appropriate recommendations.

Ordering Information

Model	Description	Agency Listing
B210LP*	6” Flanged Mounting Base	UL, ULC, FM, CSFM
B501*	4” Flangeless Mounting Base	UL, ULC, FM, CSFM
B224RB*	Relay Base	UL, ULC, FM, CSFM
B224BI*	Isolator Base	UL, ULC, CSFM, FM
B200SR*	Standard Sounder Base (Compatible with B501BH Series)	UL, ULC, CSFM