MSI-4260 IS Intrinsically Safe Crane Scale

As of: Wednesday, December 24, 2025

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Standard Features

LED display
Top lifting eye or shackle with Crosby® (or equivalent) 360° thrust-bearing swivel hook
12 volt rechargeable battery and universal 115/230 VAC, 50/60 Hz battery charger (NA plug standard)

(Contact MSI for application consultation)

Approvals

WARNING: Cancer and Reproductive Harm California Proposition 65

Intrinsically Safe, Digital Crane Scale

After three decades of production, added advancements and thousands of worldwide installations, the next-generation Port-A-Weigh crane scale embedded with ScaleCore technology continues to reign as the industry standard. Along with Port-A-Weigh, the MSI product offering features the most comprehensive line of industrial crane scales and specialized overhead weighing solutions.

For medium- to heavy-capacity and duty-cycle needs, the MSI-4260 IS intrinsically safe crane scale meets or exceeds all industrial safety requirements, including OSHA, ANSI and ASME. This crane scale has a five-digit LED display with programmable brightness control for visibility in every lighting condition. The enclosure is made of NEMA Type 4, IP66 marine grade 356 alloy anodized aluminum.

MSI-4260 IS Intrinsically Safe Specifications

Power:
12 V rechargeable battery
(115/230 VAC approved battery charger is included)

Resolution:
3,000 to 5,000 d standard (up to 10,000 d available)

Accuracy:
± (0.1% +1 d) of applied load

Annunciators:
COZ, net, gross, total, peak, low battery, lb/kg, motion, setpoints

Display:
Five-digit, 1.2 in (30 mm) LED with programmable brightness control

Displayable Units:
Pounds or kilograms selectable

Keys/Buttons:
Power, zero, tare, Mode F1 (programmable)

Temperature:
Certified: 14 °F to 104 °F (-10 °C to 40 °C)

Rating/Material:
NEMA Type 4, IP66 marine grade 356 alloy anodized
cast aluminum

Design Overload:
200% Safe / 500% Ultimate (except where noted)

Operating Time:
Up to 80 hours between charging with typical use

Auto-Off Mode:
Select for 15, 30, 45 minutes, 1 hour or Off

Auto Sleep Mode:
Power down during non-use and power up with weight change or any key press

Service Counters:
Counts number of lifts over percentage of capacity and lifts over capacity

Filtering:
OFF, LO, HI-1, HI-2 selectable

Warranty:
One-year limited

Intrinsic Safety:
USA Listings
FM16US0156X
IS Class I, Division 1, Groups C, D; T4 - PN 184530
IS Class II, Division 1, Groups, E, F, G; T4; Class III, Division 1 - PN 184530
Class I, Zone 0, AEx ia IIB T4 Ga - PN 184530
Class I, Zone 20, AEx ia IIIC T135°C Da - PN 184530
Ta = -20°C to +50°C
Canada Listings
FM16CA0092X
Ex ia Class I, Division 1, Groups C, D; T4 - PN 184530
Ex ia Class II, Division 1, Groups E, F, G, Class III, Division 1; T4 - PN 184530
Class I, Zone 0, Ex ia IIB T4 Ga - PN 184530
Class I, Zone 20, Ex ia IIIC T135°C Da - PN 184530
TA = -10°C to +50°C
ATEX / UKEX Listings
FM18ATEX0052X
FM21UKEX0104X
II 1 G Ex ia IIB T4 Ga
II 1 D Ex ia IIIC T135°C Da
-10°C Ta +50°C

Approvals:
NTEP 19-122: 500 to 70,000 lb
Measurement Canada AM-6198: 500 to 5,000 lb
Measurement Canada AM-6249: 10,000 to 20,000 lb
cFMus Approved

Shackle Dimensions

Part #	W.l.l. Tons	Size	A	B	C	D	E	F	H	L	N	P	Weight
151357	3 1/4	0.63 in	1.06 in	0.75 in	2.38 in	0.63 in	1.69 in	1.56 in	4.22 in	2.94 in	0.69 in	N/A	1.58 lb
151355	6 1/2	0.88 in	1.44 in	1.00 in	3.31 in	0.88 in	2.28 in	2.13 in	5.75 in	4.03 in	0.97 in	5.00 in	3.95 lb
141992	17	1.50 in	2.38 in	1.63 in	5.75 in	1.50 in	3.88 in	3.63 in	9.88 in	6.88 in	1.62 in	8.25 in	19.50 lb
151356	25	1.75 in	2.88 in	2.00 in	7.00 in	1.75 in	5.00 in	4.32 in	11.88 in	8.50 in	2.12 in	9.59 in	31.30 lb
146634	30	1.50 in	2.38 in	1.63 in	5.75 in	1.50 in	3.88 in	3.63 in	9.88 in	6.88 in	1.62 in	8.25 in	20.80 lb
146335	40	1.75 in	2.88 in	2.00 in	7.00 in	1.75 in	5.00 in	4.32 in	11.88 in	8.50 in	2.12 in	9.59 in	33.91 lb
146336	55	2.00 in	3.25 in	2.25 in	7.75 in	2.00 in	5.75 in	5.00 in	13.38 in	9.75 in	2.00 in	11.00 in	51.75 lb
151359	85	2.50 in	4.12 in	2.75 in	10.50 in	2.72 in	7.25 in	5.69 in	17.84 in	12.87 in	3.12 in	13.58 in	96.00 lb
151360	120	3.00 in	5.00 in	3.25 in	13.00 in	3.00 in	7.88 in	6.50 in	21.50 in	14.50 in	3.63 in	16.50 in	178.00 lb
83455	120	3.00 in	5.00 in	3.25 in	13.00 in	3.11 in	7.88 in	6.50 in	21.50 in	14.36 in	3.63 in	15.13 in	178.00 lb
151361	175	4.00 in	5.50 in	4.25 in	14.50 in	4.00 in	10.00 in	9.00 in	25.69 in	18.38 in	4.56 in	19.75 in	338.00 lb
151358	250	4.00 in	8.50 in	5.00 in	20.00 in	4.50 in	13.00 in	12.00 in	35.00 in	24.50 in	6.50 in	22.68 in	600.00 lb
Oversized Shackles
148497	40	1.75 in	2.88 in	2.00 in	10.00 in	2.25 in	6.00	4.32	15.35	10.50 in	2.25 in	9.00 in	45.00 lb
148393	40	2.25 in	2.88 in	2.00 in	12.50 in	2.25 in	8.00	4.32	17.85	12.50 in	2.25 in	10.00 in	90.00 lb
148394	50	2.00 in	3.25 in	2.25 in	12.25 in	2.50 in	8.00	5.00	18.50	13.00 in	2.50 in	11.00 in	72.00 lb
Shims
146534	(For use with 50,000 to 70,000 ton systems)

Parts

Part #	Description
MSI-4260 IS Intrinsically Safe
156013	MSI-4260 IS 500LB Swivel Hook- CONTROLLED DWG: NO CHANGES w/o ACCEPTANCE BY FM APPROVALS
156014	MSI-4260 IS 2K Swivel Hook - CONTROLLED DWG: NO CHANGES w/o ACCEPTANCE BY FM APPROVALS
156015	MSI-4260 IS 5K Swivel Hook-CONTROLLED DWG: NO CHANGES w/o ACCEPTANCE BY FM APPROVALS
156016	MSI-4260 IS 10K Swivel Hook-CONTROLLED DWG: NO CHANGES w/o ACCEPTANCE BY FM APPROVALS
156017	MSI-4260 IS 20K Swivel Hook-CONTROLLED DWG: NO CHANGES w/o ACCEPTANCE BY FM APPROVALS
156018	MSI-4260 IS 30K Swivel Hook-CONTROLLED DWG: NO CHANGES w/o ACCEPTANCE BY FM APPROVALS
156019	MSI-4260 IS 50K Swivel Hook-CONTROLLED DWG: NO CHANGES w/o ACCEPTANCE BY FM APPROVALS
156020	MSI-4260 IS 70K Swivel Hook-CONTROLLED DWG: NO CHANGES w/o ACCEPTANCE BY FM APPROVALS
156021	MSI-4260 IS 100K Swivel Hook-CONTROLLED DWG: NO CHANGES w/o ACCEPTANCE BY FM APPROVALS

Options

Part #	Description
Options MSI-4260IS
167777	Battery Assy 12V Intrinsically Safe 4260 IS - CONTROLLED DWG: NO CHANGES w/o ACCEPTANCE BY FM APPROVALS
170606	Battery Charger 12V SLA Intrinsically Safe Battery