Hazardous Location Alarms

Class I Div II Groups A, B, C, & D
cUL Approved
NEMA 4X
Fits in 30mm Panel Hole
dB Distance = 2 ft (60 cm)

Model #	Sound Type	Freq (Hz)	Volt Rating	Typical Loudness (dBa)	Size	hf:att:pa_sound-type	hf:att:pa_frequency-hz	hf:att:pa_voltage-rating	hf:att:pa_typical-loudness-dba	hf:att:pa_size
SCH105R	Continuous	2900	1 to 5 DC	69 to 83 @ 2 ft	1.69 x 1.41 in	continuous	2900	1-to-5-dc	69-to-83-2-ft	1-69-x-1-41-in
SCH110NJR	Slow Pulse	2900	30 to 120 AC/DC	89 to 98 @ 2 ft	1.69 x 1.41 in	slow-pulse	2900	30-to-120-ac-dc	89-to-98-2-ft	1-69-x-1-41-in
SCH110NPR	Fast Pulse	2900	30 to 120 AC/DC	92 to 101 @ 2 ft	1.69 x 1.41 in	fast-pulse	2900	30-to-120-ac-dc	92-to-101-2-ft	1-69-x-1-41-in
SCH110NR	Continuous	2900	30 to 120 AC/DC	88 to 100 @ 2 ft	1.69 x 1.41 in	continuous	2900	30-to-120-ac-dc	88-to-100-2-ft	1-69-x-1-41-in
SCH110PR	Fast Pulse	2900	30 to 120 AC/DC	79 to 89 @ 2 ft	1.69 x 1.41 in	fast-pulse	2900	30-to-120-ac-dc	79-to-89-2-ft	1-69-x-1-41-in
SCH110R	Continuous	2900	30 to 120 AC/DC	81 to 92 @ 2 ft	1.69 x 1.41 in	continuous	2900	30-to-120-ac-dc	81-to-92-2-ft	1-69-x-1-41-in
SCH250PR	Fast Pulse	2900	60 to 250 AC/DC	76 to 86 @ 2 ft	1.69 x 1.41 in	fast-pulse	2900	60-to-250-ac-dc	76-to-86-2-ft	1-69-x-1-41-in
SCH250R	Continuous	2900	60 to 250 AC/DC	77 to 88 @ 2 ft	1.69 x 1.41 in	continuous	2900	60-to-250-ac-dc	77-to-88-2-ft	1-69-x-1-41-in
SCH307NR	Continuous	2900	3 to 7 DC	87 to 97 @ 2 ft	1.69 x 1.41 in	continuous	2900	3-to-7-dc	87-to-97-2-ft	1-69-x-1-41-in
SCH416R	Continuous	2900	4 to 16 DC	77 to 89 @ 2 ft	1.69 x 1.41 in	continuous	2900	4-to-16-dc	77-to-89-2-ft	1-69-x-1-41-in
SCH616CPR	Chime	2900	6 to 16 DC	74 to 81 @ 2 ft	1.69 x 1.41 in	chime	2900	6-to-16-dc	74-to-81-2-ft	1-69-x-1-41-in
SCH616NPR	Fast Pulse	2900	6 to 16 DC	91 to 102 @ 2 ft	1.69 x 1.41 in	fast-pulse	2900	6-to-16-dc	91-to-102-2-ft	1-69-x-1-41-in
SCH616NR	Continuous	2900	6 to 16 DC	95 to 105 @ 2 ft	1.69 x 1.41 in	continuous	2900	6-to-16-dc	95-to-105-2-ft	1-69-x-1-41-in
SCH628ANPR	Fast Pulse	2900	6 to 28 AC/DC	88 to 103 @ 2 ft	1.69 x 1.41 in	fast-pulse	2900	6-to-28-ac-dc	88-to-103-2-ft	1-69-x-1-41-in
SCH628ANR	Continuous	2900	6 to 28 AC/DC	92 to 103 @ 2 ft	1.69 x 1.41 in	continuous	2900	6-to-28-ac-dc	92-to-103-2-ft	1-69-x-1-41-in
SCH628AR	Continuous	2900	6 to 28 AC/DC	76 to 89 @ 2 ft	1.69 x 1.41 in	continuous	2900	6-to-28-ac-dc	76-to-89-2-ft	1-69-x-1-41-in
SCH628DR	Continuous	1900	6 to 28 DC	67 to 78 @ 2 ft	1.69 x 1.41 in	continuous	1900	6-to-28-dc	67-to-78-2-ft	1-69-x-1-41-in
SCH628NLR	Continuous	2900	6 to 28 DC	85 to 97 @ 2 ft	1.69 x 1.41 in	continuous	2900	6-to-28-dc	85-to-97-2-ft	1-69-x-1-41-in
SCH628NR	Continuous	2900	6 to 28 DC	85 to 97 @ 2 ft	1.69 x 1.41 in	continuous	2900	6-to-28-dc	85-to-97-2-ft	1-69-x-1-41-in
SCH628PR	Fast Pulse	2900	6 to 28 DC	79 to 89 @ 2 ft	1.69 x 1.41 in	fast-pulse	2900	6-to-28-dc	79-to-89-2-ft	1-69-x-1-41-in
SCH628R	Continuous	2900	6 to 28 DC	79 to 90 @ 2 ft	1.69 x 1.41 in	continuous	2900	6-to-28-dc	79-to-90-2-ft	1-69-x-1-41-in
SCH648AR	Continuous	2900	10 to 48 AC/DC	79 to 91 @ 2 ft	1.69 x 1.41 in	continuous	2900	10-to-48-ac-dc	79-to-91-2-ft	1-69-x-1-41-in
SCH648R	Continuous	2900	10 to 48 DC	80 to 91 @ 2 ft	1.69 x 1.41 in	continuous	2900	10-to-48-dc	80-to-91-2-ft	1-69-x-1-41-in