System Sensor M502MA Installation And Maintenance Instructions page 3

COMPATIBLE TWO-WIRE SYSTEM SENSOR SMOKE DETECTORS FOR USE WITH M502MA WITH ZONE IDENTIFIER A
Detector Compatibility
Model ID
1451A A
2451A A
1400A A
2400A A
1100A A
1151A A
2100A A
2100TA A
2151A A
*Used in combination with MTL isolator model MTL3043.
Detector
Type
Ionization
Photoelectric
Ionization
Photoelectric
Ionization
Ionization
Photoelectric
Photoelectric with Thermal
Photoelectric
3
Base Base
Model Identifier
B401A/BA A
B401A/BA A
N/A —
N/A —
N/A —
B110LPA/B401A A
N/A —
N/A —
B110LPA/B401A A
Max
Detectors
20
20
20
20
20
20
20
20
20
I56-1051-002
7/1/2022