SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
H
APEM
, PO BOX 8288, HAVERHILL, MA USA 01835-0788 TOLL FREE: (877) 246-7890 FAX: (781) 245-4531 E-mail: info@apem.com H3
MA SERIES - MICRO-LIMIT SWITCHES
AGENCY RECOGNITION Approval pending.
FEATURES
Ratings: 16 Amps 250 VAC (resistive load). 4 Amps 250 VAC (motor load) or
3 Amps 250 VAC (resistive load). 0.1 Amps 250 VAC (motor load).
Single pole CO (change-over or alternate action), NC (normally closed momentary) and
NO (normally open momentary) configurations.
Close tolerance switching action with long life (10,000,000 mechanical cycles min.).
Pin plunger, hinge lever or roller lever actuator options.
MATERIALS
Contacts: Stationary: Nicker silver Shorting: Beryllium copper
Actuator: FS 161 (UL94V-O)
Case & cover: PBT (UL94V-O)
Terminals: Silver plated copper/zinc
SPECIFICATIONS
Operating force: 12.59 oz. (343 grams) approx. for 16 Amp models
0.72 oz. (20 grams) approx. for 3 Amp models
Pretravel: .047" (1.2mm)
Overtravel: .059" (1.5mm) min.
Movement differential: .016" (0.4mm)
Free position: .649" (16.5mm)
Operating position: .578" ± .020" (14.7mm ± 0.5mm)
Operating temperature: -40°C to +85°C
Contact gap: less than .118" (3mm)
Tracking resistance: > PTI 175
NRTL
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
H
APEM
, PO BOX 8288, HAVERHILL, MA USA 01835-0788 TOLL FREE: (877) 246-7890 FAX: (781) 245-4531 E-mail: info@apem.com
H4
MA SERIES - MICRO-LIMIT SWITCHES
ORDER FORMAT M A A 6 B
Series Circuit & quick-connect terminals Switch rating Actuator style
MA A Normally open (standard) .031 x .248" (0.8x6.3mm) 616(4)A 250 VAC APin actuator
BNormally closed (standard) .031 x .248" (0.8x6.3mm) 73(0.1)A 250 VAC BHinge actuator
CChange-over (standard) .031 x .248" (0.8x6.3mm) CRoller actuator
DNormally open, .031 x .248" (0.8x6.3mm), spacing .197" (5mm)
ENormally closed, .031 x .248" (0.8x6.3mm), spacing .197" (5mm)
FChange-over, .031 x .248" (0.8x6.3mm), spacing .197" (5mm)
GNormally open, .020 x .189" (0.5x4.8mm)
HNormally closed, .020 x .189" (0.5x4.8mm)
IChange-over, .020 x .189" (0.5x4.8mm)
JNormally open, .031 x .189" (0.8x4.8mm)
KNormally closed, .031 x .189" (0.8x4.8mm)
LChange-over, .031 x .189" (0.8x4.8mm)
STANDARD MODELS
Quick-connect .031x.248" .031x.248" .020x.189" .031x.189"
terminal (0.8x6.3mm) (0.8x6.3mm) (0.5x4.8mm) (0.8x4.8mm)
pin spacing -
.197"(5mm)
Switching capacity 16(4)A 3(0.1)A 16(4)A 16(4)A 3(0.1)A 16(4)A 3(0.1)A
Pin plunger NO MAA6A MAA7A MAD6A MAG6A MAG7A MAJ6A MAJ7A
NC MAB6A MAB7A MAE6A MAH6A MAH7A MAK6A MAK7A
CO MAC6A MAC7A MAF6A MAI6A MAI7A MAL6A MAL7A
Hinge lever NO MAA6B - MAD6B MAG6B - MAJ6B -
NC MAB6B - MAE6B MAH6B - MAK6B -
CO MAC6B - MAF6B MAI6B - MAL6B -
Roller lever NO MAA6C - MAD6C MAG6C - MAJ6C -
NC MAB6C - MAE6C MAH6C - MAK6C -
CO MAC6C - MAF6C MAI6C - MAL6C -
NO =
NORMALLY OPEN:
COM (1)
NO (4)
NC =
NORMALLY CLOSED:
NC (2)
COM (1)
CO =
CHANGE-OVER:
NC (2)
COM (1)
NO (4)
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
H
APEM
, PO BOX 8288, HAVERHILL, MA USA 01835-0788 TOLL FREE: (877) 246-7890 FAX: (781) 245-4531 E-mail: info@apem.com H5
MA SERIES - MICRO-LIMIT SWITCHES
MECHANICAL OUTLINES
Models with quick-connect terminal .031x.248" (0.8x6.3mm)
Hinge lever Roller lever
Side view Normally closed Quick-connect terminal
Normally open Change-over
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
H
APEM
, PO BOX 8288, HAVERHILL, MA USA 01835-0788 TOLL FREE: (877) 246-7890 FAX: (781) 245-4531 E-mail: info@apem.com
H6
MA SERIES - MICRO-LIMIT SWITCHES
MECHANICAL OUTLINES
Models with quick-connect terminal .031x.248" (0.8x6.3mm) & pin spacing .197" (5mm)
Roller lever Adaptor element
Normally open Change-over
Hinge lever
Side view Normally closed Quick-connect terminal
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
H
APEM
, PO BOX 8288, HAVERHILL, MA USA 01835-0788 TOLL FREE: (877) 246-7890 FAX: (781) 245-4531 E-mail: info@apem.com H7
MA SERIES - MICRO-LIMIT SWITCHES
MECHANICAL OUTLINES
Models with quick-connect terminal .020 or .031x.248" (0.8 or 0.8x6.3mm)
Normally closed
Hinge lever Roller lever
Normally open Change-over
Side view Quick connect terminal