Overview
Mallory Sonalert panel mount alarms have been used in panel box applications since the product line was introduced 50 years ago. Hundreds of models are available with voltages up to 250 Vac, various sound types, sound levels, & termination options. Mallory’s ZT Series features a 22mm package with sound + LED light. Mallory’s LSC Series features a 30mm package with extra loud sound and LED light.
Applications
22mm Hole Size , LED + Alarm, CSA (cUL), General Panel Box, High Voltage, PLC Compatible, CUL Recognized, Waterproof (UL-50; UL-508A; NEMA 3R, 4X, & 12; IP66; CSA), Hazardous Location (Class I Div II Groups A, B, C, & D)
Alarms to Use for These Applications
General | Any ZA, ZT, SC, SCE, SCL, SNP, or LSC Series models |
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UL & cUL | Any ZA Series, any ZT Series, any SCE Series, and many SC Series models. See UL and cUL yellow cards for model list. |
Terminal Block | ZA Series, ZT Series, or SCE Series |
Waterproof | Any ZA or ZT Series model. Use accessory rubber gasket P/N ACC03 with any SC or SCE series panel mount model. UL & cUL yellow cards show approvals to Type 4X (NEMA 4X). |
Snap-in | SNP2R, SNP428R, SNP428FR |
LED & Alarm | Any ZT or LSC Series Model |
22mm Hole Size | Any ZA or ZT Series model. PK-20A35EWQ, PF-20A35EWQ |
Tamper-Proof | Any ZA or ZT Series model. PK-27N35ERQ, PK-27A35ERQ |
Hazardous Location Class I Div II | Any SCH Series model (SCH628R, SCH110R, SCH250R, etc.) |
Accessories to Consider for SC & SCE Series
ACC01 (Metal “L” Bracket), ACC03 (NEMA Gasket), SCVC (volume control)
Other Capabilities
Custom Voltage Ranges, Custom Temperature Ranges, Environmental Testing, Custom Cable Assemblies, Custom Terminations

ZA & ZT Panel Series
22 mm w/Terminal Block

SC Panel Series
Screw Terminals

SCE & SCL Panel Series
Terminal Block

SNP Panel Series
Snap-in

SCH Panel Series
Class I Div II

PK-27N35ERQ; PK-27A35ERQ
Tamper-Proof
